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clk: move from driver/clk/meson
PD#141217: initialize clock tree Change-Id: Ie00bbdd65b4e430434e66d4c1f4275a6c46ee44a Signed-off-by: Yun Cai <yun.cai@amlogic.com>
This commit is contained in:
Yun Cai
@@ -42,6 +42,9 @@ CONFIG_AMLOGIC_DRIVER=y
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CONFIG_AMLOGIC_UART=y
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CONFIG_AMLOGIC_UART=y
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CONFIG_AMLOGIC_SERIAL_MESON_CONSOLE=y
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CONFIG_AMLOGIC_SERIAL_MESON_CONSOLE=y
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CONFIG_AMLOGIC_IOMAP=y
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CONFIG_AMLOGIC_IOMAP=y
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CONFIG_AMLOGIC_CLK=y
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# CONFIG_AMLOGIC_RESET is not set
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CONFIG_AMLOGIC_M8B_CLK=y
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CONFIG_DEVTMPFS=y
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CONFIG_DEVTMPFS=y
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CONFIG_DEVTMPFS_MOUNT=y
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CONFIG_DEVTMPFS_MOUNT=y
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CONFIG_DMA_CMA=y
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CONFIG_DMA_CMA=y
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@@ -8,7 +8,6 @@ menuconfig ARCH_MESON
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select PINCTRL
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select PINCTRL
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select PINCTRL_MESON
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select PINCTRL_MESON
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select COMMON_CLK
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select COMMON_CLK
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select COMMON_CLK_AMLOGIC
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if ARCH_MESON
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if ARCH_MESON
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@@ -26,6 +25,5 @@ config MACH_MESON8B
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bool "Amlogic Meson8b SoCs support"
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bool "Amlogic Meson8b SoCs support"
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default ARCH_MESON
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default ARCH_MESON
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select MESON6_TIMER
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select MESON6_TIMER
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select COMMON_CLK_MESON8B
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endif
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endif
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@@ -23,3 +23,18 @@ config AMLOGIC_COMMON_CLK_SCPI
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This driver uses SCPI Message Protocol to interact with the
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This driver uses SCPI Message Protocol to interact with the
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firmware providing all the clock controls.
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firmware providing all the clock controls.
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config AMLOGIC_M8B_CLK
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bool "Amlogic meson8b clock driver support"
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depends on AMLOGIC_CLK
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help
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Support for the clock controller on AmLogic S805 devices, aka
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meson8b. Say Y if you want peripherals and CPU frequency scaling to
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work.
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config AMLOGIC_GX_CLK
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bool "Amlogic gx clock driver support"
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depends on AMLOGIC_CLK
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help
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Support for the clock controller on AmLogic S905 devices, aka gxbb.
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Say Y if you want peripherals and CPU frequency scaling to work.
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@@ -5,8 +5,16 @@
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obj-$(CONFIG_AMLOGIC_COMMON_CLK_SCPI) += clk-scpi.o
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obj-$(CONFIG_AMLOGIC_COMMON_CLK_SCPI) += clk-scpi.o
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obj-$(CONFIG_AMLOGIC_RESET) += rstc.o
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obj-$(CONFIG_AMLOGIC_RESET) += rstc.o
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obj-$(CONFIG_AMLOGIC_CLK) += clk-pll.o clk-cpu.o clk-mpll.o \
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#obj-$(CONFIG_AMLOGIC_CLK) += clk-pll.o clk-cpu.o clk-mpll.o \
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gxl.o clk_measure.o \
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# clk_measure.o \
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clk_sdemmc.o clk_gpu.o clk_media.o clk_misc.o\
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# clk_sdemmc.o clk_gpu.o clk_media.o clk_misc.o\
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clk-mux.o
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# clk-mux.o
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obj-$(CONFIG_AMLOGIC_CLK) += clk_test.o
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obj-$(CONFIG_AMLOGIC_CLK) += clk-pll.o
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obj-$(COMMON_AMLOGIC_GX_CLK) += clk-cpu.o clk-mpll.o clk-mux.o\
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clk_measure.o clk_sdemmc.o clk_gpu.o clk_media.o clk_misc.o\
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clk_gxl.o
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obj-$(CONFIG_AMLOGIC_M8B_CLK) += m8b/clk-cpu.o m8b/meson8b.o
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#obj-$(CONFIG_AMLOGIC_CLK) += clk_test.o
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178
drivers/amlogic/clk/m8b/clk-cpu.c
Normal file
178
drivers/amlogic/clk/m8b/clk-cpu.c
Normal file
@@ -0,0 +1,178 @@
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/*
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* Copyright (c) 2015 Endless Mobile, Inc.
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* Author: Carlo Caione <carlo@endlessm.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* CPU clock path:
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*
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* +-[/N]-----|3|
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* MUX2 +--[/3]-+----------|2| MUX1
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* [sys_pll]---|1| |--[/2]------------|1|-|1|
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* | |---+------------------|0| | |----- [a5_clk]
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* +--|0| | |
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* [xtal]---+-------------------------------|0|
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*
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*
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*
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*/
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/module.h>
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#include <linux/of_address.h>
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#include <linux/slab.h>
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#include <linux/clk.h>
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#include <linux/clk-provider.h>
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#define MESON_CPU_CLK_CNTL1 0x00
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#define MESON_CPU_CLK_CNTL 0x40
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#define MESON_CPU_CLK_MUX1 BIT(7)
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#define MESON_CPU_CLK_MUX2 BIT(0)
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#define MESON_N_WIDTH 9
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#define MESON_N_SHIFT 20
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#define MESON_SEL_WIDTH 2
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#define MESON_SEL_SHIFT 2
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#include "clkc.h"
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#define to_meson_clk_cpu_hw(_hw) container_of(_hw, struct meson_clk_cpu, hw)
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#define to_meson_clk_cpu_nb(_nb) container_of(_nb, struct meson_clk_cpu, clk_nb)
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static long meson_clk_cpu_round_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long *prate)
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{
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struct meson_clk_cpu *clk_cpu = to_meson_clk_cpu_hw(hw);
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return divider_round_rate(hw, rate, prate, clk_cpu->div_table,
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MESON_N_WIDTH, CLK_DIVIDER_ROUND_CLOSEST);
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}
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static int meson_clk_cpu_set_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long parent_rate)
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{
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struct meson_clk_cpu *clk_cpu = to_meson_clk_cpu_hw(hw);
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unsigned int div, sel, N = 0;
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u32 reg;
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div = DIV_ROUND_UP(parent_rate, rate);
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if (div <= 3) {
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sel = div - 1;
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} else {
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sel = 3;
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N = div / 2;
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}
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reg = readl(clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL1);
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reg = PARM_SET(MESON_N_WIDTH, MESON_N_SHIFT, reg, N);
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writel(reg, clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL1);
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reg = readl(clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL);
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reg = PARM_SET(MESON_SEL_WIDTH, MESON_SEL_SHIFT, reg, sel);
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writel(reg, clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL);
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return 0;
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}
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static unsigned long meson_clk_cpu_recalc_rate(struct clk_hw *hw,
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unsigned long parent_rate)
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{
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struct meson_clk_cpu *clk_cpu = to_meson_clk_cpu_hw(hw);
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unsigned int N, sel;
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unsigned int div = 1;
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u32 reg;
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reg = readl(clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL1);
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N = PARM_GET(MESON_N_WIDTH, MESON_N_SHIFT, reg);
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reg = readl(clk_cpu->base + clk_cpu->reg_off + MESON_CPU_CLK_CNTL);
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sel = PARM_GET(MESON_SEL_WIDTH, MESON_SEL_SHIFT, reg);
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if (sel < 3)
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div = sel + 1;
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else
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div = 2 * N;
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return parent_rate / div;
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}
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/* FIXME MUX1 & MUX2 should be struct clk_hw objects */
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static int meson_clk_cpu_pre_rate_change(struct meson_clk_cpu *clk_cpu,
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struct clk_notifier_data *ndata)
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{
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u32 cpu_clk_cntl;
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/* switch MUX1 to xtal */
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cpu_clk_cntl = readl(clk_cpu->base + clk_cpu->reg_off
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+ MESON_CPU_CLK_CNTL);
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cpu_clk_cntl &= ~MESON_CPU_CLK_MUX1;
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writel(cpu_clk_cntl, clk_cpu->base + clk_cpu->reg_off
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+ MESON_CPU_CLK_CNTL);
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udelay(100);
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/* switch MUX2 to sys-pll */
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cpu_clk_cntl |= MESON_CPU_CLK_MUX2;
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writel(cpu_clk_cntl, clk_cpu->base + clk_cpu->reg_off
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+ MESON_CPU_CLK_CNTL);
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return 0;
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}
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/* FIXME MUX1 & MUX2 should be struct clk_hw objects */
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static int meson_clk_cpu_post_rate_change(struct meson_clk_cpu *clk_cpu,
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struct clk_notifier_data *ndata)
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{
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u32 cpu_clk_cntl;
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/* switch MUX1 to divisors' output */
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cpu_clk_cntl = readl(clk_cpu->base + clk_cpu->reg_off
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+ MESON_CPU_CLK_CNTL);
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cpu_clk_cntl |= MESON_CPU_CLK_MUX1;
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writel(cpu_clk_cntl, clk_cpu->base + clk_cpu->reg_off
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+ MESON_CPU_CLK_CNTL);
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udelay(100);
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return 0;
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}
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/*
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* This clock notifier is called when the frequency of the of the parent
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* PLL clock is to be changed. We use the xtal input as temporary parent
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* while the PLL frequency is stabilized.
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*/
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int meson_clk_cpu_notifier_cb(struct notifier_block *nb,
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unsigned long event, void *data)
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{
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struct clk_notifier_data *ndata = data;
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struct meson_clk_cpu *clk_cpu = to_meson_clk_cpu_nb(nb);
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int ret = 0;
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if (event == PRE_RATE_CHANGE)
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ret = meson_clk_cpu_pre_rate_change(clk_cpu, ndata);
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else if (event == POST_RATE_CHANGE)
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ret = meson_clk_cpu_post_rate_change(clk_cpu, ndata);
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return notifier_from_errno(ret);
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}
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const struct clk_ops meson_clk_cpu_ops = {
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.recalc_rate = meson_clk_cpu_recalc_rate,
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.round_rate = meson_clk_cpu_round_rate,
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.set_rate = meson_clk_cpu_set_rate,
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};
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120
drivers/amlogic/clk/m8b/clkc.h
Normal file
120
drivers/amlogic/clk/m8b/clkc.h
Normal file
@@ -0,0 +1,120 @@
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/*
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* Copyright (c) 2015 Endless Mobile, Inc.
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* Author: Carlo Caione <carlo@endlessm.com>
|
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|
*
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|
* This program is free software; you can redistribute it and/or modify it
|
||||||
|
* under the terms and conditions of the GNU General Public License,
|
||||||
|
* version 2, as published by the Free Software Foundation.
|
||||||
|
*
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||||||
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||||
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||||
|
* more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License along with
|
||||||
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
|
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#ifndef __CLKC_H
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#define __CLKC_H
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#define PMASK(width) GENMASK(width - 1, 0)
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#define SETPMASK(width, shift) GENMASK(shift + width - 1, shift)
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#define CLRPMASK(width, shift) (~SETPMASK(width, shift))
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#define PARM_GET(width, shift, reg) \
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(((reg) & SETPMASK(width, shift)) >> (shift))
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#define PARM_SET(width, shift, reg, val) \
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(((reg) & CLRPMASK(width, shift)) | (val << (shift)))
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#define MESON_PARM_APPLICABLE(p) (!!((p)->width))
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struct parm {
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u16 reg_off;
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u8 shift;
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u8 width;
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};
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struct pll_rate_table {
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unsigned long rate;
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u16 m;
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u16 n;
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u16 od;
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u16 od2;
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u16 frac;
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||||||
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};
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||||||
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||||||
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#define PLL_RATE(_r, _m, _n, _od) \
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||||||
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{ \
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.rate = (_r), \
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.m = (_m), \
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||||||
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.n = (_n), \
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||||||
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.od = (_od), \
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||||||
|
} \
|
||||||
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|
||||||
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#define PLL_FRAC_RATE(_r, _m, _n, _od, _od2, _frac) \
|
||||||
|
{ \
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.rate = (_r), \
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||||||
|
.m = (_m), \
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||||||
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.n = (_n), \
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||||||
|
.od = (_od), \
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||||||
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.od2 = (_od2), \
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||||||
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.frac = (_frac), \
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||||||
|
} \
|
||||||
|
|
||||||
|
struct meson_clk_pll {
|
||||||
|
struct clk_hw hw;
|
||||||
|
void __iomem *base;
|
||||||
|
struct parm m;
|
||||||
|
struct parm n;
|
||||||
|
struct parm frac;
|
||||||
|
struct parm od;
|
||||||
|
struct parm od2;
|
||||||
|
const struct pll_rate_table *rate_table;
|
||||||
|
unsigned int rate_count;
|
||||||
|
spinlock_t *lock;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define to_meson_clk_pll(_hw) container_of(_hw, struct meson_clk_pll, hw)
|
||||||
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|
||||||
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struct meson_clk_cpu {
|
||||||
|
struct clk_hw hw;
|
||||||
|
void __iomem *base;
|
||||||
|
u16 reg_off;
|
||||||
|
struct notifier_block clk_nb;
|
||||||
|
const struct clk_div_table *div_table;
|
||||||
|
};
|
||||||
|
|
||||||
|
int meson_clk_cpu_notifier_cb(struct notifier_block *nb, unsigned long event,
|
||||||
|
void *data);
|
||||||
|
|
||||||
|
struct meson_clk_mpll {
|
||||||
|
struct clk_hw hw;
|
||||||
|
void __iomem *base;
|
||||||
|
struct parm sdm;
|
||||||
|
struct parm n2;
|
||||||
|
/* FIXME ssen gate control? */
|
||||||
|
spinlock_t *lock;
|
||||||
|
};
|
||||||
|
|
||||||
|
#define MESON_GATE(_name, _reg, _bit) \
|
||||||
|
struct clk_gate _name = { \
|
||||||
|
.reg = (void __iomem *) _reg, \
|
||||||
|
.bit_idx = (_bit), \
|
||||||
|
.lock = &clk_lock, \
|
||||||
|
.hw.init = &(struct clk_init_data) { \
|
||||||
|
.name = #_name, \
|
||||||
|
.ops = &clk_gate_ops, \
|
||||||
|
.parent_names = (const char *[]){ "clk81" }, \
|
||||||
|
.num_parents = 1, \
|
||||||
|
.flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), \
|
||||||
|
}, \
|
||||||
|
};
|
||||||
|
|
||||||
|
/* clk_ops */
|
||||||
|
extern const struct clk_ops meson_clk_pll_ro_ops;
|
||||||
|
extern const struct clk_ops meson_clk_pll_ops;
|
||||||
|
extern const struct clk_ops meson_clk_cpu_ops;
|
||||||
|
extern const struct clk_ops meson_clk_mpll_ro_ops;
|
||||||
|
|
||||||
|
#endif /* __CLKC_H */
|
||||||
681
drivers/amlogic/clk/m8b/meson8b.c
Normal file
681
drivers/amlogic/clk/m8b/meson8b.c
Normal file
@@ -0,0 +1,681 @@
|
|||||||
|
/*
|
||||||
|
* AmLogic S805 / Meson8b Clock Controller Driver
|
||||||
|
*
|
||||||
|
* Copyright (c) 2015 Endless Mobile, Inc.
|
||||||
|
* Author: Carlo Caione <carlo@endlessm.com>
|
||||||
|
*
|
||||||
|
* Copyright (c) 2016 BayLibre, Inc.
|
||||||
|
* Michael Turquette <mturquette@baylibre.com>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify it
|
||||||
|
* under the terms and conditions of the GNU General Public License,
|
||||||
|
* version 2, as published by the Free Software Foundation.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||||
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||||
|
* more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License along with
|
||||||
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <linux/clk.h>
|
||||||
|
#include <linux/clk-provider.h>
|
||||||
|
#include <linux/of_address.h>
|
||||||
|
#include <linux/platform_device.h>
|
||||||
|
#include <linux/init.h>
|
||||||
|
#include <linux/slab.h>
|
||||||
|
#include <dt-bindings/clock/meson8b-clkc.h>
|
||||||
|
|
||||||
|
#include "clkc.h"
|
||||||
|
#include "meson8b.h"
|
||||||
|
|
||||||
|
static DEFINE_SPINLOCK(clk_lock);
|
||||||
|
struct clk **clks;
|
||||||
|
static struct clk_onecell_data clk_data;
|
||||||
|
|
||||||
|
static const struct pll_rate_table sys_pll_rate_table[] = {
|
||||||
|
PLL_RATE(312000000, 52, 1, 2),
|
||||||
|
PLL_RATE(336000000, 56, 1, 2),
|
||||||
|
PLL_RATE(360000000, 60, 1, 2),
|
||||||
|
PLL_RATE(384000000, 64, 1, 2),
|
||||||
|
PLL_RATE(408000000, 68, 1, 2),
|
||||||
|
PLL_RATE(432000000, 72, 1, 2),
|
||||||
|
PLL_RATE(456000000, 76, 1, 2),
|
||||||
|
PLL_RATE(480000000, 80, 1, 2),
|
||||||
|
PLL_RATE(504000000, 84, 1, 2),
|
||||||
|
PLL_RATE(528000000, 88, 1, 2),
|
||||||
|
PLL_RATE(552000000, 92, 1, 2),
|
||||||
|
PLL_RATE(576000000, 96, 1, 2),
|
||||||
|
PLL_RATE(600000000, 50, 1, 1),
|
||||||
|
PLL_RATE(624000000, 52, 1, 1),
|
||||||
|
PLL_RATE(648000000, 54, 1, 1),
|
||||||
|
PLL_RATE(672000000, 56, 1, 1),
|
||||||
|
PLL_RATE(696000000, 58, 1, 1),
|
||||||
|
PLL_RATE(720000000, 60, 1, 1),
|
||||||
|
PLL_RATE(744000000, 62, 1, 1),
|
||||||
|
PLL_RATE(768000000, 64, 1, 1),
|
||||||
|
PLL_RATE(792000000, 66, 1, 1),
|
||||||
|
PLL_RATE(816000000, 68, 1, 1),
|
||||||
|
PLL_RATE(840000000, 70, 1, 1),
|
||||||
|
PLL_RATE(864000000, 72, 1, 1),
|
||||||
|
PLL_RATE(888000000, 74, 1, 1),
|
||||||
|
PLL_RATE(912000000, 76, 1, 1),
|
||||||
|
PLL_RATE(936000000, 78, 1, 1),
|
||||||
|
PLL_RATE(960000000, 80, 1, 1),
|
||||||
|
PLL_RATE(984000000, 82, 1, 1),
|
||||||
|
PLL_RATE(1008000000, 84, 1, 1),
|
||||||
|
PLL_RATE(1032000000, 86, 1, 1),
|
||||||
|
PLL_RATE(1056000000, 88, 1, 1),
|
||||||
|
PLL_RATE(1080000000, 90, 1, 1),
|
||||||
|
PLL_RATE(1104000000, 92, 1, 1),
|
||||||
|
PLL_RATE(1128000000, 94, 1, 1),
|
||||||
|
PLL_RATE(1152000000, 96, 1, 1),
|
||||||
|
PLL_RATE(1176000000, 98, 1, 1),
|
||||||
|
PLL_RATE(1200000000, 50, 1, 0),
|
||||||
|
PLL_RATE(1224000000, 51, 1, 0),
|
||||||
|
PLL_RATE(1248000000, 52, 1, 0),
|
||||||
|
PLL_RATE(1272000000, 53, 1, 0),
|
||||||
|
PLL_RATE(1296000000, 54, 1, 0),
|
||||||
|
PLL_RATE(1320000000, 55, 1, 0),
|
||||||
|
PLL_RATE(1344000000, 56, 1, 0),
|
||||||
|
PLL_RATE(1368000000, 57, 1, 0),
|
||||||
|
PLL_RATE(1392000000, 58, 1, 0),
|
||||||
|
PLL_RATE(1416000000, 59, 1, 0),
|
||||||
|
PLL_RATE(1440000000, 60, 1, 0),
|
||||||
|
PLL_RATE(1464000000, 61, 1, 0),
|
||||||
|
PLL_RATE(1488000000, 62, 1, 0),
|
||||||
|
PLL_RATE(1512000000, 63, 1, 0),
|
||||||
|
PLL_RATE(1536000000, 64, 1, 0),
|
||||||
|
{ /* sentinel */ },
|
||||||
|
};
|
||||||
|
|
||||||
|
static const struct clk_div_table cpu_div_table[] = {
|
||||||
|
{ .val = 1, .div = 1 },
|
||||||
|
{ .val = 2, .div = 2 },
|
||||||
|
{ .val = 3, .div = 3 },
|
||||||
|
{ .val = 2, .div = 4 },
|
||||||
|
{ .val = 3, .div = 6 },
|
||||||
|
{ .val = 4, .div = 8 },
|
||||||
|
{ .val = 5, .div = 10 },
|
||||||
|
{ .val = 6, .div = 12 },
|
||||||
|
{ .val = 7, .div = 14 },
|
||||||
|
{ .val = 8, .div = 16 },
|
||||||
|
{ /* sentinel */ },
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct clk_fixed_rate meson8b_xtal = {
|
||||||
|
.fixed_rate = 24000000,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "xtal",
|
||||||
|
.num_parents = 0,
|
||||||
|
.ops = &clk_fixed_rate_ops,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct meson_clk_pll meson8b_fixed_pll = {
|
||||||
|
.m = {
|
||||||
|
.reg_off = HHI_MPLL_CNTL,
|
||||||
|
.shift = 0,
|
||||||
|
.width = 9,
|
||||||
|
},
|
||||||
|
.n = {
|
||||||
|
.reg_off = HHI_MPLL_CNTL,
|
||||||
|
.shift = 9,
|
||||||
|
.width = 5,
|
||||||
|
},
|
||||||
|
.od = {
|
||||||
|
.reg_off = HHI_MPLL_CNTL,
|
||||||
|
.shift = 16,
|
||||||
|
.width = 2,
|
||||||
|
},
|
||||||
|
.lock = &clk_lock,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "fixed_pll",
|
||||||
|
.ops = &meson_clk_pll_ro_ops,
|
||||||
|
.parent_names = (const char *[]){ "xtal" },
|
||||||
|
.num_parents = 1,
|
||||||
|
.flags = CLK_GET_RATE_NOCACHE,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct meson_clk_pll meson8b_vid_pll = {
|
||||||
|
.m = {
|
||||||
|
.reg_off = HHI_VID_PLL_CNTL,
|
||||||
|
.shift = 0,
|
||||||
|
.width = 9,
|
||||||
|
},
|
||||||
|
.n = {
|
||||||
|
.reg_off = HHI_VID_PLL_CNTL,
|
||||||
|
.shift = 9,
|
||||||
|
.width = 5,
|
||||||
|
},
|
||||||
|
.od = {
|
||||||
|
.reg_off = HHI_VID_PLL_CNTL,
|
||||||
|
.shift = 16,
|
||||||
|
.width = 2,
|
||||||
|
},
|
||||||
|
.lock = &clk_lock,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "vid_pll",
|
||||||
|
.ops = &meson_clk_pll_ro_ops,
|
||||||
|
.parent_names = (const char *[]){ "xtal" },
|
||||||
|
.num_parents = 1,
|
||||||
|
.flags = CLK_GET_RATE_NOCACHE,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct meson_clk_pll meson8b_sys_pll = {
|
||||||
|
.m = {
|
||||||
|
.reg_off = HHI_SYS_PLL_CNTL,
|
||||||
|
.shift = 0,
|
||||||
|
.width = 9,
|
||||||
|
},
|
||||||
|
.n = {
|
||||||
|
.reg_off = HHI_SYS_PLL_CNTL,
|
||||||
|
.shift = 9,
|
||||||
|
.width = 5,
|
||||||
|
},
|
||||||
|
.od = {
|
||||||
|
.reg_off = HHI_SYS_PLL_CNTL,
|
||||||
|
.shift = 16,
|
||||||
|
.width = 2,
|
||||||
|
},
|
||||||
|
.rate_table = sys_pll_rate_table,
|
||||||
|
.rate_count = ARRAY_SIZE(sys_pll_rate_table),
|
||||||
|
.lock = &clk_lock,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "sys_pll",
|
||||||
|
.ops = &meson_clk_pll_ops,
|
||||||
|
.parent_names = (const char *[]){ "xtal" },
|
||||||
|
.num_parents = 1,
|
||||||
|
.flags = CLK_GET_RATE_NOCACHE,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct clk_fixed_factor meson8b_fclk_div2 = {
|
||||||
|
.mult = 1,
|
||||||
|
.div = 2,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "fclk_div2",
|
||||||
|
.ops = &clk_fixed_factor_ops,
|
||||||
|
.parent_names = (const char *[]){ "fixed_pll" },
|
||||||
|
.num_parents = 1,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct clk_fixed_factor meson8b_fclk_div3 = {
|
||||||
|
.mult = 1,
|
||||||
|
.div = 3,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "fclk_div3",
|
||||||
|
.ops = &clk_fixed_factor_ops,
|
||||||
|
.parent_names = (const char *[]){ "fixed_pll" },
|
||||||
|
.num_parents = 1,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct clk_fixed_factor meson8b_fclk_div4 = {
|
||||||
|
.mult = 1,
|
||||||
|
.div = 4,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "fclk_div4",
|
||||||
|
.ops = &clk_fixed_factor_ops,
|
||||||
|
.parent_names = (const char *[]){ "fixed_pll" },
|
||||||
|
.num_parents = 1,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct clk_fixed_factor meson8b_fclk_div5 = {
|
||||||
|
.mult = 1,
|
||||||
|
.div = 5,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "fclk_div5",
|
||||||
|
.ops = &clk_fixed_factor_ops,
|
||||||
|
.parent_names = (const char *[]){ "fixed_pll" },
|
||||||
|
.num_parents = 1,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct clk_fixed_factor meson8b_fclk_div7 = {
|
||||||
|
.mult = 1,
|
||||||
|
.div = 7,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "fclk_div7",
|
||||||
|
.ops = &clk_fixed_factor_ops,
|
||||||
|
.parent_names = (const char *[]){ "fixed_pll" },
|
||||||
|
.num_parents = 1,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
/*
|
||||||
|
* FIXME cpu clocks and the legacy composite clocks (e.g. clk81) are both PLL
|
||||||
|
* post-dividers and should be modeled with their respective PLLs via the
|
||||||
|
* forthcoming coordinated clock rates feature
|
||||||
|
*/
|
||||||
|
static struct meson_clk_cpu meson8b_cpu_clk = {
|
||||||
|
.reg_off = HHI_SYS_CPU_CLK_CNTL1,
|
||||||
|
.div_table = cpu_div_table,
|
||||||
|
.clk_nb.notifier_call = meson_clk_cpu_notifier_cb,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "cpu_clk",
|
||||||
|
.ops = &meson_clk_cpu_ops,
|
||||||
|
.parent_names = (const char *[]){ "sys_pll" },
|
||||||
|
.num_parents = 1,
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
static u32 mux_table_clk81[] = { 6, 5, 7 };
|
||||||
|
|
||||||
|
struct clk_mux meson8b_mpeg_clk_sel = {
|
||||||
|
.reg = (void *)HHI_MPEG_CLK_CNTL,
|
||||||
|
.mask = 0x7,
|
||||||
|
.shift = 12,
|
||||||
|
.flags = CLK_MUX_READ_ONLY,
|
||||||
|
.table = mux_table_clk81,
|
||||||
|
.lock = &clk_lock,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "mpeg_clk_sel",
|
||||||
|
.ops = &clk_mux_ro_ops,
|
||||||
|
/*
|
||||||
|
* FIXME bits 14:12 selects from 8 possible parents:
|
||||||
|
* xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2,
|
||||||
|
* fclk_div4, fclk_div3, fclk_div5
|
||||||
|
*/
|
||||||
|
.parent_names = (const char *[]){ "fclk_div3", "fclk_div4",
|
||||||
|
"fclk_div5" },
|
||||||
|
.num_parents = 3,
|
||||||
|
.flags = (CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED),
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
struct clk_divider meson8b_mpeg_clk_div = {
|
||||||
|
.reg = (void *)HHI_MPEG_CLK_CNTL,
|
||||||
|
.shift = 0,
|
||||||
|
.width = 7,
|
||||||
|
.lock = &clk_lock,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "mpeg_clk_div",
|
||||||
|
.ops = &clk_divider_ops,
|
||||||
|
.parent_names = (const char *[]){ "mpeg_clk_sel" },
|
||||||
|
.num_parents = 1,
|
||||||
|
.flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED),
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
struct clk_gate meson8b_clk81 = {
|
||||||
|
.reg = (void *)HHI_MPEG_CLK_CNTL,
|
||||||
|
.bit_idx = 7,
|
||||||
|
.lock = &clk_lock,
|
||||||
|
.hw.init = &(struct clk_init_data){
|
||||||
|
.name = "clk81",
|
||||||
|
.ops = &clk_gate_ops,
|
||||||
|
.parent_names = (const char *[]){ "mpeg_clk_div" },
|
||||||
|
.num_parents = 1,
|
||||||
|
.flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED),
|
||||||
|
},
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Everything Else (EE) domain gates */
|
||||||
|
|
||||||
|
static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0);
|
||||||
|
static MESON_GATE(meson8b_dos, HHI_GCLK_MPEG0, 1);
|
||||||
|
static MESON_GATE(meson8b_isa, HHI_GCLK_MPEG0, 5);
|
||||||
|
static MESON_GATE(meson8b_pl301, HHI_GCLK_MPEG0, 6);
|
||||||
|
static MESON_GATE(meson8b_periphs, HHI_GCLK_MPEG0, 7);
|
||||||
|
static MESON_GATE(meson8b_spicc, HHI_GCLK_MPEG0, 8);
|
||||||
|
static MESON_GATE(meson8b_i2c, HHI_GCLK_MPEG0, 9);
|
||||||
|
static MESON_GATE(meson8b_sar_adc, HHI_GCLK_MPEG0, 10);
|
||||||
|
static MESON_GATE(meson8b_smart_card, HHI_GCLK_MPEG0, 11);
|
||||||
|
static MESON_GATE(meson8b_rng0, HHI_GCLK_MPEG0, 12);
|
||||||
|
static MESON_GATE(meson8b_uart0, HHI_GCLK_MPEG0, 13);
|
||||||
|
static MESON_GATE(meson8b_sdhc, HHI_GCLK_MPEG0, 14);
|
||||||
|
static MESON_GATE(meson8b_stream, HHI_GCLK_MPEG0, 15);
|
||||||
|
static MESON_GATE(meson8b_async_fifo, HHI_GCLK_MPEG0, 16);
|
||||||
|
static MESON_GATE(meson8b_sdio, HHI_GCLK_MPEG0, 17);
|
||||||
|
static MESON_GATE(meson8b_abuf, HHI_GCLK_MPEG0, 18);
|
||||||
|
static MESON_GATE(meson8b_hiu_iface, HHI_GCLK_MPEG0, 19);
|
||||||
|
static MESON_GATE(meson8b_assist_misc, HHI_GCLK_MPEG0, 23);
|
||||||
|
static MESON_GATE(meson8b_spi, HHI_GCLK_MPEG0, 30);
|
||||||
|
|
||||||
|
static MESON_GATE(meson8b_i2s_spdif, HHI_GCLK_MPEG1, 2);
|
||||||
|
static MESON_GATE(meson8b_eth, HHI_GCLK_MPEG1, 3);
|
||||||
|
static MESON_GATE(meson8b_demux, HHI_GCLK_MPEG1, 4);
|
||||||
|
static MESON_GATE(meson8b_aiu_glue, HHI_GCLK_MPEG1, 6);
|
||||||
|
static MESON_GATE(meson8b_iec958, HHI_GCLK_MPEG1, 7);
|
||||||
|
static MESON_GATE(meson8b_i2s_out, HHI_GCLK_MPEG1, 8);
|
||||||
|
static MESON_GATE(meson8b_amclk, HHI_GCLK_MPEG1, 9);
|
||||||
|
static MESON_GATE(meson8b_aififo2, HHI_GCLK_MPEG1, 10);
|
||||||
|
static MESON_GATE(meson8b_mixer, HHI_GCLK_MPEG1, 11);
|
||||||
|
static MESON_GATE(meson8b_mixer_iface, HHI_GCLK_MPEG1, 12);
|
||||||
|
static MESON_GATE(meson8b_adc, HHI_GCLK_MPEG1, 13);
|
||||||
|
static MESON_GATE(meson8b_blkmv, HHI_GCLK_MPEG1, 14);
|
||||||
|
static MESON_GATE(meson8b_aiu, HHI_GCLK_MPEG1, 15);
|
||||||
|
static MESON_GATE(meson8b_uart1, HHI_GCLK_MPEG1, 16);
|
||||||
|
static MESON_GATE(meson8b_g2d, HHI_GCLK_MPEG1, 20);
|
||||||
|
static MESON_GATE(meson8b_usb0, HHI_GCLK_MPEG1, 21);
|
||||||
|
static MESON_GATE(meson8b_usb1, HHI_GCLK_MPEG1, 22);
|
||||||
|
static MESON_GATE(meson8b_reset, HHI_GCLK_MPEG1, 23);
|
||||||
|
static MESON_GATE(meson8b_nand, HHI_GCLK_MPEG1, 24);
|
||||||
|
static MESON_GATE(meson8b_dos_parser, HHI_GCLK_MPEG1, 25);
|
||||||
|
static MESON_GATE(meson8b_usb, HHI_GCLK_MPEG1, 26);
|
||||||
|
static MESON_GATE(meson8b_vdin1, HHI_GCLK_MPEG1, 28);
|
||||||
|
static MESON_GATE(meson8b_ahb_arb0, HHI_GCLK_MPEG1, 29);
|
||||||
|
static MESON_GATE(meson8b_efuse, HHI_GCLK_MPEG1, 30);
|
||||||
|
static MESON_GATE(meson8b_boot_rom, HHI_GCLK_MPEG1, 31);
|
||||||
|
|
||||||
|
static MESON_GATE(meson8b_ahb_data_bus, HHI_GCLK_MPEG2, 1);
|
||||||
|
static MESON_GATE(meson8b_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2);
|
||||||
|
static MESON_GATE(meson8b_hdmi_intr_sync, HHI_GCLK_MPEG2, 3);
|
||||||
|
static MESON_GATE(meson8b_hdmi_pclk, HHI_GCLK_MPEG2, 4);
|
||||||
|
static MESON_GATE(meson8b_usb1_ddr_bridge, HHI_GCLK_MPEG2, 8);
|
||||||
|
static MESON_GATE(meson8b_usb0_ddr_bridge, HHI_GCLK_MPEG2, 9);
|
||||||
|
static MESON_GATE(meson8b_mmc_pclk, HHI_GCLK_MPEG2, 11);
|
||||||
|
static MESON_GATE(meson8b_dvin, HHI_GCLK_MPEG2, 12);
|
||||||
|
static MESON_GATE(meson8b_uart2, HHI_GCLK_MPEG2, 15);
|
||||||
|
static MESON_GATE(meson8b_sana, HHI_GCLK_MPEG2, 22);
|
||||||
|
static MESON_GATE(meson8b_vpu_intr, HHI_GCLK_MPEG2, 25);
|
||||||
|
static MESON_GATE(meson8b_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26);
|
||||||
|
static MESON_GATE(meson8b_clk81_a9, HHI_GCLK_MPEG2, 29);
|
||||||
|
|
||||||
|
static MESON_GATE(meson8b_vclk2_venci0, HHI_GCLK_OTHER, 1);
|
||||||
|
static MESON_GATE(meson8b_vclk2_venci1, HHI_GCLK_OTHER, 2);
|
||||||
|
static MESON_GATE(meson8b_vclk2_vencp0, HHI_GCLK_OTHER, 3);
|
||||||
|
static MESON_GATE(meson8b_vclk2_vencp1, HHI_GCLK_OTHER, 4);
|
||||||
|
static MESON_GATE(meson8b_gclk_venci_int, HHI_GCLK_OTHER, 8);
|
||||||
|
static MESON_GATE(meson8b_gclk_vencp_int, HHI_GCLK_OTHER, 9);
|
||||||
|
static MESON_GATE(meson8b_dac_clk, HHI_GCLK_OTHER, 10);
|
||||||
|
static MESON_GATE(meson8b_aoclk_gate, HHI_GCLK_OTHER, 14);
|
||||||
|
static MESON_GATE(meson8b_iec958_gate, HHI_GCLK_OTHER, 16);
|
||||||
|
static MESON_GATE(meson8b_enc480p, HHI_GCLK_OTHER, 20);
|
||||||
|
static MESON_GATE(meson8b_rng1, HHI_GCLK_OTHER, 21);
|
||||||
|
static MESON_GATE(meson8b_gclk_vencl_int, HHI_GCLK_OTHER, 22);
|
||||||
|
static MESON_GATE(meson8b_vclk2_venclmcc, HHI_GCLK_OTHER, 24);
|
||||||
|
static MESON_GATE(meson8b_vclk2_vencl, HHI_GCLK_OTHER, 25);
|
||||||
|
static MESON_GATE(meson8b_vclk2_other, HHI_GCLK_OTHER, 26);
|
||||||
|
static MESON_GATE(meson8b_edp, HHI_GCLK_OTHER, 31);
|
||||||
|
|
||||||
|
/* Always On (AO) domain gates */
|
||||||
|
|
||||||
|
static MESON_GATE(meson8b_ao_media_cpu, HHI_GCLK_AO, 0);
|
||||||
|
static MESON_GATE(meson8b_ao_ahb_sram, HHI_GCLK_AO, 1);
|
||||||
|
static MESON_GATE(meson8b_ao_ahb_bus, HHI_GCLK_AO, 2);
|
||||||
|
static MESON_GATE(meson8b_ao_iface, HHI_GCLK_AO, 3);
|
||||||
|
|
||||||
|
static struct clk_hw *meson8b_clk_hws[] = {
|
||||||
|
[CLKID_XTAL] = &meson8b_xtal.hw,
|
||||||
|
[CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw,
|
||||||
|
[CLKID_PLL_VID] = &meson8b_vid_pll.hw,
|
||||||
|
[CLKID_PLL_SYS] = &meson8b_sys_pll.hw,
|
||||||
|
[CLKID_FCLK_DIV2] = &meson8b_fclk_div2.hw,
|
||||||
|
[CLKID_FCLK_DIV3] = &meson8b_fclk_div3.hw,
|
||||||
|
[CLKID_FCLK_DIV4] = &meson8b_fclk_div4.hw,
|
||||||
|
[CLKID_FCLK_DIV5] = &meson8b_fclk_div5.hw,
|
||||||
|
[CLKID_FCLK_DIV7] = &meson8b_fclk_div7.hw,
|
||||||
|
[CLKID_CPUCLK] = &meson8b_cpu_clk.hw,
|
||||||
|
[CLKID_MPEG_SEL] = &meson8b_mpeg_clk_sel.hw,
|
||||||
|
[CLKID_MPEG_DIV] = &meson8b_mpeg_clk_div.hw,
|
||||||
|
[CLKID_CLK81] = &meson8b_clk81.hw,
|
||||||
|
[CLKID_DDR] = &meson8b_ddr.hw,
|
||||||
|
[CLKID_DOS] = &meson8b_dos.hw,
|
||||||
|
[CLKID_ISA] = &meson8b_isa.hw,
|
||||||
|
[CLKID_PL301] = &meson8b_pl301.hw,
|
||||||
|
[CLKID_PERIPHS] = &meson8b_periphs.hw,
|
||||||
|
[CLKID_SPICC] = &meson8b_spicc.hw,
|
||||||
|
[CLKID_I2C] = &meson8b_i2c.hw,
|
||||||
|
[CLKID_SAR_ADC] = &meson8b_sar_adc.hw,
|
||||||
|
[CLKID_SMART_CARD] = &meson8b_smart_card.hw,
|
||||||
|
[CLKID_RNG0] = &meson8b_rng0.hw,
|
||||||
|
[CLKID_UART0] = &meson8b_uart0.hw,
|
||||||
|
[CLKID_SDHC] = &meson8b_sdhc.hw,
|
||||||
|
[CLKID_STREAM] = &meson8b_stream.hw,
|
||||||
|
[CLKID_ASYNC_FIFO] = &meson8b_async_fifo.hw,
|
||||||
|
[CLKID_SDIO] = &meson8b_sdio.hw,
|
||||||
|
[CLKID_ABUF] = &meson8b_abuf.hw,
|
||||||
|
[CLKID_HIU_IFACE] = &meson8b_hiu_iface.hw,
|
||||||
|
[CLKID_ASSIST_MISC] = &meson8b_assist_misc.hw,
|
||||||
|
[CLKID_SPI] = &meson8b_spi.hw,
|
||||||
|
[CLKID_I2S_SPDIF] = &meson8b_i2s_spdif.hw,
|
||||||
|
[CLKID_ETH] = &meson8b_eth.hw,
|
||||||
|
[CLKID_DEMUX] = &meson8b_demux.hw,
|
||||||
|
[CLKID_AIU_GLUE] = &meson8b_aiu_glue.hw,
|
||||||
|
[CLKID_IEC958] = &meson8b_iec958.hw,
|
||||||
|
[CLKID_I2S_OUT] = &meson8b_i2s_out.hw,
|
||||||
|
[CLKID_AMCLK] = &meson8b_amclk.hw,
|
||||||
|
[CLKID_AIFIFO2] = &meson8b_aififo2.hw,
|
||||||
|
[CLKID_MIXER] = &meson8b_mixer.hw,
|
||||||
|
[CLKID_MIXER_IFACE] = &meson8b_mixer_iface.hw,
|
||||||
|
[CLKID_ADC] = &meson8b_adc.hw,
|
||||||
|
[CLKID_BLKMV] = &meson8b_blkmv.hw,
|
||||||
|
[CLKID_AIU] = &meson8b_aiu.hw,
|
||||||
|
[CLKID_UART1] = &meson8b_uart1.hw,
|
||||||
|
[CLKID_G2D] = &meson8b_g2d.hw,
|
||||||
|
[CLKID_USB0] = &meson8b_usb0.hw,
|
||||||
|
[CLKID_USB1] = &meson8b_usb1.hw,
|
||||||
|
[CLKID_RESET] = &meson8b_reset.hw,
|
||||||
|
[CLKID_NAND] = &meson8b_nand.hw,
|
||||||
|
[CLKID_DOS_PARSER] = &meson8b_dos_parser.hw,
|
||||||
|
[CLKID_USB] = &meson8b_usb.hw,
|
||||||
|
[CLKID_VDIN1] = &meson8b_vdin1.hw,
|
||||||
|
[CLKID_AHB_ARB0] = &meson8b_ahb_arb0.hw,
|
||||||
|
[CLKID_EFUSE] = &meson8b_efuse.hw,
|
||||||
|
[CLKID_BOOT_ROM] = &meson8b_boot_rom.hw,
|
||||||
|
[CLKID_AHB_DATA_BUS] = &meson8b_ahb_data_bus.hw,
|
||||||
|
[CLKID_AHB_CTRL_BUS] = &meson8b_ahb_ctrl_bus.hw,
|
||||||
|
[CLKID_HDMI_INTR_SYNC] = &meson8b_hdmi_intr_sync.hw,
|
||||||
|
[CLKID_HDMI_PCLK] = &meson8b_hdmi_pclk.hw,
|
||||||
|
[CLKID_USB1_DDR_BRIDGE] = &meson8b_usb1_ddr_bridge.hw,
|
||||||
|
[CLKID_USB0_DDR_BRIDGE] = &meson8b_usb0_ddr_bridge.hw,
|
||||||
|
[CLKID_MMC_PCLK] = &meson8b_mmc_pclk.hw,
|
||||||
|
[CLKID_DVIN] = &meson8b_dvin.hw,
|
||||||
|
[CLKID_UART2] = &meson8b_uart2.hw,
|
||||||
|
[CLKID_SANA] = &meson8b_sana.hw,
|
||||||
|
[CLKID_VPU_INTR] = &meson8b_vpu_intr.hw,
|
||||||
|
[CLKID_SEC_AHB_AHB3_BRIDGE] = &meson8b_sec_ahb_ahb3_bridge.hw,
|
||||||
|
[CLKID_CLK81_A9] = &meson8b_clk81_a9.hw,
|
||||||
|
[CLKID_VCLK2_VENCI0] = &meson8b_vclk2_venci0.hw,
|
||||||
|
[CLKID_VCLK2_VENCI1] = &meson8b_vclk2_venci1.hw,
|
||||||
|
[CLKID_VCLK2_VENCP0] = &meson8b_vclk2_vencp0.hw,
|
||||||
|
[CLKID_VCLK2_VENCP1] = &meson8b_vclk2_vencp1.hw,
|
||||||
|
[CLKID_GCLK_VENCI_INT] = &meson8b_gclk_venci_int.hw,
|
||||||
|
[CLKID_GCLK_VENCP_INT] = &meson8b_gclk_vencp_int.hw,
|
||||||
|
[CLKID_DAC_CLK] = &meson8b_dac_clk.hw,
|
||||||
|
[CLKID_AOCLK_GATE] = &meson8b_aoclk_gate.hw,
|
||||||
|
[CLKID_IEC958_GATE] = &meson8b_iec958_gate.hw,
|
||||||
|
[CLKID_ENC480P] = &meson8b_enc480p.hw,
|
||||||
|
[CLKID_RNG1] = &meson8b_rng1.hw,
|
||||||
|
[CLKID_GCLK_VENCL_INT] = &meson8b_gclk_vencl_int.hw,
|
||||||
|
[CLKID_VCLK2_VENCLMCC] = &meson8b_vclk2_venclmcc.hw,
|
||||||
|
[CLKID_VCLK2_VENCL] = &meson8b_vclk2_vencl.hw,
|
||||||
|
[CLKID_VCLK2_OTHER] = &meson8b_vclk2_other.hw,
|
||||||
|
[CLKID_EDP] = &meson8b_edp.hw,
|
||||||
|
[CLKID_AO_MEDIA_CPU] = &meson8b_ao_media_cpu.hw,
|
||||||
|
[CLKID_AO_AHB_SRAM] = &meson8b_ao_ahb_sram.hw,
|
||||||
|
[CLKID_AO_AHB_BUS] = &meson8b_ao_ahb_bus.hw,
|
||||||
|
[CLKID_AO_IFACE] = &meson8b_ao_iface.hw,
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct meson_clk_pll *const meson8b_clk_plls[] = {
|
||||||
|
&meson8b_fixed_pll,
|
||||||
|
&meson8b_vid_pll,
|
||||||
|
&meson8b_sys_pll,
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct clk_gate *meson8b_clk_gates[] = {
|
||||||
|
&meson8b_clk81,
|
||||||
|
&meson8b_ddr,
|
||||||
|
&meson8b_dos,
|
||||||
|
&meson8b_isa,
|
||||||
|
&meson8b_pl301,
|
||||||
|
&meson8b_periphs,
|
||||||
|
&meson8b_spicc,
|
||||||
|
&meson8b_i2c,
|
||||||
|
&meson8b_sar_adc,
|
||||||
|
&meson8b_smart_card,
|
||||||
|
&meson8b_rng0,
|
||||||
|
&meson8b_uart0,
|
||||||
|
&meson8b_sdhc,
|
||||||
|
&meson8b_stream,
|
||||||
|
&meson8b_async_fifo,
|
||||||
|
&meson8b_sdio,
|
||||||
|
&meson8b_abuf,
|
||||||
|
&meson8b_hiu_iface,
|
||||||
|
&meson8b_assist_misc,
|
||||||
|
&meson8b_spi,
|
||||||
|
&meson8b_i2s_spdif,
|
||||||
|
&meson8b_eth,
|
||||||
|
&meson8b_demux,
|
||||||
|
&meson8b_aiu_glue,
|
||||||
|
&meson8b_iec958,
|
||||||
|
&meson8b_i2s_out,
|
||||||
|
&meson8b_amclk,
|
||||||
|
&meson8b_aififo2,
|
||||||
|
&meson8b_mixer,
|
||||||
|
&meson8b_mixer_iface,
|
||||||
|
&meson8b_adc,
|
||||||
|
&meson8b_blkmv,
|
||||||
|
&meson8b_aiu,
|
||||||
|
&meson8b_uart1,
|
||||||
|
&meson8b_g2d,
|
||||||
|
&meson8b_usb0,
|
||||||
|
&meson8b_usb1,
|
||||||
|
&meson8b_reset,
|
||||||
|
&meson8b_nand,
|
||||||
|
&meson8b_dos_parser,
|
||||||
|
&meson8b_usb,
|
||||||
|
&meson8b_vdin1,
|
||||||
|
&meson8b_ahb_arb0,
|
||||||
|
&meson8b_efuse,
|
||||||
|
&meson8b_boot_rom,
|
||||||
|
&meson8b_ahb_data_bus,
|
||||||
|
&meson8b_ahb_ctrl_bus,
|
||||||
|
&meson8b_hdmi_intr_sync,
|
||||||
|
&meson8b_hdmi_pclk,
|
||||||
|
&meson8b_usb1_ddr_bridge,
|
||||||
|
&meson8b_usb0_ddr_bridge,
|
||||||
|
&meson8b_mmc_pclk,
|
||||||
|
&meson8b_dvin,
|
||||||
|
&meson8b_uart2,
|
||||||
|
&meson8b_sana,
|
||||||
|
&meson8b_vpu_intr,
|
||||||
|
&meson8b_sec_ahb_ahb3_bridge,
|
||||||
|
&meson8b_clk81_a9,
|
||||||
|
&meson8b_vclk2_venci0,
|
||||||
|
&meson8b_vclk2_venci1,
|
||||||
|
&meson8b_vclk2_vencp0,
|
||||||
|
&meson8b_vclk2_vencp1,
|
||||||
|
&meson8b_gclk_venci_int,
|
||||||
|
&meson8b_gclk_vencp_int,
|
||||||
|
&meson8b_dac_clk,
|
||||||
|
&meson8b_aoclk_gate,
|
||||||
|
&meson8b_iec958_gate,
|
||||||
|
&meson8b_enc480p,
|
||||||
|
&meson8b_rng1,
|
||||||
|
&meson8b_gclk_vencl_int,
|
||||||
|
&meson8b_vclk2_venclmcc,
|
||||||
|
&meson8b_vclk2_vencl,
|
||||||
|
&meson8b_vclk2_other,
|
||||||
|
&meson8b_edp,
|
||||||
|
&meson8b_ao_media_cpu,
|
||||||
|
&meson8b_ao_ahb_sram,
|
||||||
|
&meson8b_ao_ahb_bus,
|
||||||
|
&meson8b_ao_iface,
|
||||||
|
};
|
||||||
|
|
||||||
|
static void __init meson8b_clkc_init(struct device_node *np)
|
||||||
|
{
|
||||||
|
void __iomem *clk_base;
|
||||||
|
int ret, clkid, i;
|
||||||
|
struct clk_hw *parent_hw;
|
||||||
|
struct clk *parent_clk;
|
||||||
|
//struct device *dev = &pdev->dev;
|
||||||
|
|
||||||
|
pr_info("%s\n", __func__);
|
||||||
|
/* Generic clocks and PLLs */
|
||||||
|
clk_base = of_iomap(np, 1);
|
||||||
|
if (!clk_base) {
|
||||||
|
pr_err("%s: Unable to map clk base\n", __func__);
|
||||||
|
/* return -ENXIO; */
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Populate base address for PLLs */
|
||||||
|
for (i = 0; i < ARRAY_SIZE(meson8b_clk_plls); i++)
|
||||||
|
meson8b_clk_plls[i]->base = clk_base;
|
||||||
|
|
||||||
|
/* Populate the base address for CPU clk */
|
||||||
|
meson8b_cpu_clk.base = clk_base;
|
||||||
|
|
||||||
|
/* Populate the base address for the MPEG clks */
|
||||||
|
meson8b_mpeg_clk_sel.reg = clk_base + (u32)meson8b_mpeg_clk_sel.reg;
|
||||||
|
meson8b_mpeg_clk_div.reg = clk_base + (u32)meson8b_mpeg_clk_div.reg;
|
||||||
|
meson8b_clk81.reg = clk_base + (u32)meson8b_clk81.reg;
|
||||||
|
|
||||||
|
/* Populate base address for gates */
|
||||||
|
for (i = 0; i < ARRAY_SIZE(meson8b_clk_gates); i++)
|
||||||
|
meson8b_clk_gates[i]->reg = clk_base +
|
||||||
|
(u32)meson8b_clk_gates[i]->reg;
|
||||||
|
|
||||||
|
clks = kzalloc(NR_CLKS*sizeof(struct clk *), GFP_KERNEL);
|
||||||
|
if (!clks) {
|
||||||
|
/* pr_err("%s: alloc clks fail!", __func__); */
|
||||||
|
/* return -ENOMEM; */
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
clk_data.clks = clks;
|
||||||
|
clk_data.clk_num = NR_CLKS;
|
||||||
|
/*
|
||||||
|
* register all clks
|
||||||
|
* CLKID_UNUSED = 0, so skip it and start with CLKID_XTAL = 1
|
||||||
|
*/
|
||||||
|
for (clkid = CLKID_XTAL; clkid < NR_CLKS; clkid++) {
|
||||||
|
/* array might be sparse */
|
||||||
|
if (!meson8b_clk_hws[clkid])
|
||||||
|
continue;
|
||||||
|
|
||||||
|
/* FIXME convert to devm_clk_register */
|
||||||
|
clks[clkid] = clk_register(NULL, meson8b_clk_hws[clkid]);
|
||||||
|
WARN_ON(IS_ERR(clks[clkid]));
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Register CPU clk notifier
|
||||||
|
*
|
||||||
|
* FIXME this is wrong for a lot of reasons. First, the muxes should be
|
||||||
|
* struct clk_hw objects. Second, we shouldn't program the muxes in
|
||||||
|
* notifier handlers. The tricky programming sequence will be handled
|
||||||
|
* by the forthcoming coordinated clock rates mechanism once that
|
||||||
|
* feature is released.
|
||||||
|
*
|
||||||
|
* Furthermore, looking up the parent this way is terrible. At some
|
||||||
|
* point we will stop allocating a default struct clk when registering
|
||||||
|
* a new clk_hw, and this hack will no longer work. Releasing the ccr
|
||||||
|
* feature before that time solves the problem :-)
|
||||||
|
*/
|
||||||
|
parent_hw = clk_hw_get_parent(&meson8b_cpu_clk.hw);
|
||||||
|
parent_clk = parent_hw->clk;
|
||||||
|
ret = clk_notifier_register(parent_clk, &meson8b_cpu_clk.clk_nb);
|
||||||
|
if (ret) {
|
||||||
|
pr_err("%s: failed to register clock notifier for cpu_clk\n",
|
||||||
|
__func__);
|
||||||
|
goto iounmap;
|
||||||
|
}
|
||||||
|
pr_debug("%s: cpu clk register notifier ok!", __func__);
|
||||||
|
|
||||||
|
ret = of_clk_add_provider(np, of_clk_src_onecell_get,
|
||||||
|
&clk_data);
|
||||||
|
if (ret < 0)
|
||||||
|
pr_err("%s fail ret: %d\n", __func__, ret);
|
||||||
|
else
|
||||||
|
pr_info("%s initialization complete\n", __func__);
|
||||||
|
return;
|
||||||
|
|
||||||
|
iounmap:
|
||||||
|
iounmap(clk_base);
|
||||||
|
pr_info("%s: %d: ret: %d\n", __func__, __LINE__, ret);
|
||||||
|
/* return; */
|
||||||
|
}
|
||||||
|
|
||||||
|
CLK_OF_DECLARE(m8b, "amlogic,meson8b-clkc", meson8b_clkc_init);
|
||||||
|
|
||||||
47
drivers/amlogic/clk/m8b/meson8b.h
Normal file
47
drivers/amlogic/clk/m8b/meson8b.h
Normal file
@@ -0,0 +1,47 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 2015 Endless Mobile, Inc.
|
||||||
|
* Author: Carlo Caione <carlo@endlessm.com>
|
||||||
|
*
|
||||||
|
* Copyright (c) 2016 BayLibre, Inc.
|
||||||
|
* Michael Turquette <mturquette@baylibre.com>
|
||||||
|
*
|
||||||
|
* This program is free software; you can redistribute it and/or modify it
|
||||||
|
* under the terms and conditions of the GNU General Public License,
|
||||||
|
* version 2, as published by the Free Software Foundation.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||||
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||||
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||||
|
* more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License along with
|
||||||
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __MESON8B_H
|
||||||
|
#define __MESON8B_H
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Clock controller register offsets
|
||||||
|
*
|
||||||
|
* Register offsets from the HardKernel[0] data sheet are listed in comment
|
||||||
|
* blocks below. Those offsets must be multiplied by 4 before adding them to
|
||||||
|
* the base address to get the right value
|
||||||
|
*
|
||||||
|
* [0] http://dn.odroid.com/S805/Datasheet/S805_Datasheet%20V0.8%2020150126.pdf
|
||||||
|
*/
|
||||||
|
#define HHI_GCLK_MPEG0 0x140 /* 0x50 offset in data sheet */
|
||||||
|
#define HHI_GCLK_MPEG1 0x144 /* 0x51 offset in data sheet */
|
||||||
|
#define HHI_GCLK_MPEG2 0x148 /* 0x52 offset in data sheet */
|
||||||
|
#define HHI_GCLK_OTHER 0x150 /* 0x54 offset in data sheet */
|
||||||
|
#define HHI_GCLK_AO 0x154 /* 0x55 offset in data sheet */
|
||||||
|
#define HHI_SYS_CPU_CLK_CNTL1 0x15c /* 0x57 offset in data sheet */
|
||||||
|
#define HHI_MPEG_CLK_CNTL 0x174 /* 0x5d offset in data sheet */
|
||||||
|
#define HHI_MPLL_CNTL 0x280 /* 0xa0 offset in data sheet */
|
||||||
|
#define HHI_SYS_PLL_CNTL 0x300 /* 0xc0 offset in data sheet */
|
||||||
|
#define HHI_VID_PLL_CNTL 0x320 /* 0xc8 offset in data sheet */
|
||||||
|
|
||||||
|
/* include the CLKIDs that have been made part of the stable DT binding */
|
||||||
|
#include <dt-bindings/clock/meson8b-clkc.h>
|
||||||
|
|
||||||
|
#endif /* __MESON8B_H */
|
||||||
@@ -2,6 +2,15 @@
|
|||||||
* Meson8b clock tree IDs
|
* Meson8b clock tree IDs
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* CLKID index values
|
||||||
|
*
|
||||||
|
* These indices are entirely contrived and do not map onto the hardware.
|
||||||
|
* Migrate them out of this header and into the DT header file when they need
|
||||||
|
* to be exposed to client nodes in DT: include/dt-bindings/clock/meson8b-clkc.h
|
||||||
|
*/
|
||||||
|
|
||||||
|
|
||||||
#ifndef __MESON8B_CLKC_H
|
#ifndef __MESON8B_CLKC_H
|
||||||
#define __MESON8B_CLKC_H
|
#define __MESON8B_CLKC_H
|
||||||
|
|
||||||
@@ -21,5 +30,85 @@
|
|||||||
#define CLKID_ZERO 13
|
#define CLKID_ZERO 13
|
||||||
#define CLKID_MPEG_SEL 14
|
#define CLKID_MPEG_SEL 14
|
||||||
#define CLKID_MPEG_DIV 15
|
#define CLKID_MPEG_DIV 15
|
||||||
|
#define CLKID_DDR 16
|
||||||
|
#define CLKID_DOS 17
|
||||||
|
#define CLKID_ISA 18
|
||||||
|
#define CLKID_PL301 19
|
||||||
|
#define CLKID_PERIPHS 20
|
||||||
|
#define CLKID_SPICC 21
|
||||||
|
#define CLKID_I2C 22
|
||||||
|
#define CLKID_SAR_ADC 23
|
||||||
|
#define CLKID_SMART_CARD 24
|
||||||
|
#define CLKID_RNG0 25
|
||||||
|
#define CLKID_UART0 26
|
||||||
|
#define CLKID_SDHC 27
|
||||||
|
#define CLKID_STREAM 28
|
||||||
|
#define CLKID_ASYNC_FIFO 29
|
||||||
|
#define CLKID_SDIO 30
|
||||||
|
#define CLKID_ABUF 31
|
||||||
|
#define CLKID_HIU_IFACE 32
|
||||||
|
#define CLKID_ASSIST_MISC 33
|
||||||
|
#define CLKID_SPI 34
|
||||||
|
#define CLKID_I2S_SPDIF 35
|
||||||
|
#define CLKID_ETH 36
|
||||||
|
#define CLKID_DEMUX 37
|
||||||
|
#define CLKID_AIU_GLUE 38
|
||||||
|
#define CLKID_IEC958 39
|
||||||
|
#define CLKID_I2S_OUT 40
|
||||||
|
#define CLKID_AMCLK 41
|
||||||
|
#define CLKID_AIFIFO2 42
|
||||||
|
#define CLKID_MIXER 43
|
||||||
|
#define CLKID_MIXER_IFACE 44
|
||||||
|
#define CLKID_ADC 45
|
||||||
|
#define CLKID_BLKMV 46
|
||||||
|
#define CLKID_AIU 47
|
||||||
|
#define CLKID_UART1 48
|
||||||
|
#define CLKID_G2D 49
|
||||||
|
#define CLKID_USB0 50
|
||||||
|
#define CLKID_USB1 51
|
||||||
|
#define CLKID_RESET 52
|
||||||
|
#define CLKID_NAND 53
|
||||||
|
#define CLKID_DOS_PARSER 54
|
||||||
|
#define CLKID_USB 55
|
||||||
|
#define CLKID_VDIN1 56
|
||||||
|
#define CLKID_AHB_ARB0 57
|
||||||
|
#define CLKID_EFUSE 58
|
||||||
|
#define CLKID_BOOT_ROM 59
|
||||||
|
#define CLKID_AHB_DATA_BUS 60
|
||||||
|
#define CLKID_AHB_CTRL_BUS 61
|
||||||
|
#define CLKID_HDMI_INTR_SYNC 62
|
||||||
|
#define CLKID_HDMI_PCLK 63
|
||||||
|
#define CLKID_USB1_DDR_BRIDGE 64
|
||||||
|
#define CLKID_USB0_DDR_BRIDGE 65
|
||||||
|
#define CLKID_MMC_PCLK 66
|
||||||
|
#define CLKID_DVIN 67
|
||||||
|
#define CLKID_UART2 68
|
||||||
|
#define CLKID_SANA 69
|
||||||
|
#define CLKID_VPU_INTR 70
|
||||||
|
#define CLKID_SEC_AHB_AHB3_BRIDGE 71
|
||||||
|
#define CLKID_CLK81_A9 72
|
||||||
|
#define CLKID_VCLK2_VENCI0 73
|
||||||
|
#define CLKID_VCLK2_VENCI1 74
|
||||||
|
#define CLKID_VCLK2_VENCP0 75
|
||||||
|
#define CLKID_VCLK2_VENCP1 76
|
||||||
|
#define CLKID_GCLK_VENCI_INT 77
|
||||||
|
#define CLKID_GCLK_VENCP_INT 78
|
||||||
|
#define CLKID_DAC_CLK 79
|
||||||
|
#define CLKID_AOCLK_GATE 80
|
||||||
|
#define CLKID_IEC958_GATE 81
|
||||||
|
#define CLKID_ENC480P 82
|
||||||
|
#define CLKID_RNG1 83
|
||||||
|
#define CLKID_GCLK_VENCL_INT 84
|
||||||
|
#define CLKID_VCLK2_VENCLMCC 85
|
||||||
|
#define CLKID_VCLK2_VENCL 86
|
||||||
|
#define CLKID_VCLK2_OTHER 87
|
||||||
|
#define CLKID_EDP 88
|
||||||
|
#define CLKID_AO_MEDIA_CPU 89
|
||||||
|
#define CLKID_AO_AHB_SRAM 90
|
||||||
|
#define CLKID_AO_AHB_BUS 91
|
||||||
|
#define CLKID_AO_IFACE 92
|
||||||
|
|
||||||
|
#define NR_CLKS 93
|
||||||
|
|
||||||
|
|
||||||
#endif /* __MESON8B_CLKC_H */
|
#endif /* __MESON8B_CLKC_H */
|
||||||
|
|||||||
Reference in New Issue
Block a user