shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 03:40:35 +09:00
Code Issues Packages Projects Releases Wiki Activity

arm: dts: add dmc support for rk322x

Browse Source 
Change-Id: Ibf72cb8d2e26490386212d564309f5b85692105a
Signed-off-by: Liang Chen <cl@rock-chips.com>
This commit is contained in:
Liang Chen
2018-02-05 15:55:19 +08:00
committed by Tao Huang
parent 0cd1d45d8c
commit 7ac00fb94e
1 changed files with 51 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
arch/arm/boot/dts/rk322x.dtsi
View File

@@ -9,6 +9,8 @@
#include <dt-bindings/suspend/rockchip-rk322x.h>
#include <dt-bindings/soc/rockchip,boot-mode.h>
#include <dt-bindings/thermal/thermal.h>
#include <dt-bindings/soc/rockchip-system-status.h>
#include "rk322x-dram-default-timing.dtsi"
/ {
#address-cells = <1>;
@@ -129,6 +131,55 @@
interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
};
dmc: dmc {
compatible = "rockchip,rk3228-dmc", "rockchip,rk322x-dram";
clocks = <&cru SCLK_DDRC>;
clock-names = "dmc_clk";
operating-points-v2 = <&dmc_opp_table>;
system-status-freq = <
/*system status freq(KHz)*/
SYS_STATUS_NORMAL 600000
SYS_STATUS_VIDEO_4K 666000
SYS_STATUS_VIDEO_4K_10B 786000
>;
dram_freq = <786000000>;
rockchip,dram_timing = <&dram_timing>;
status = "disabled";
};
dmc_opp_table: dmc-opp-table {
compatible = "operating-points-v2";
opp-300000000 {
opp-hz = /bits/ 64 <300000000>;
opp-microvolt = <1050000>;
};
opp-400000000 {
opp-hz = /bits/ 64 <400000000>;
opp-microvolt = <1050000>;
};
opp-600000000 {
opp-hz = /bits/ 64 <600000000>;
opp-microvolt = <1050000>;
};
opp-666000000 {
opp-hz = /bits/ 64 <666000000>;
opp-microvolt = <1100000>;
};
opp-700000000 {
opp-hz = /bits/ 64 <700000000>;
opp-microvolt = <1100000>;
};
opp-786000000 {
opp-hz = /bits/ 64 <786000000>;
opp-microvolt = <1150000>;
};
opp-800000000 {
opp-hz = /bits/ 64 <800000000>;
opp-microvolt = <1150000>;
};
};
psci {
compatible = "arm,psci-1.0", "arm,psci-0.2";
method = "smc";