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drm/rockchip: hdmi: Add support for rk3228

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RK3228 uses the Synopsys DWC HDMI TX controller and the INNO HDMI PHY to
enabling the integration of a complete HDMI Transmmiter interface.

Change-Id: I90f997968fb2de4165a31216c8aee8213089eab5
Signed-off-by: WeiYong Bi <bivvy.bi@rock-chips.com>
This commit is contained in:
WeiYong Bi
2017-06-06 08:41:21 +08:00
committed by Algea Cao
parent f4a0a4155b
commit 48d9d7f2b2
2 changed files with 30 additions and 0 deletions
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1
Documentation/devicetree/bindings/display/rockchip/dw_hdmi-rockchip.txt
View File

@@ -12,6 +12,7 @@ following device-specific properties.
Required properties:
- compatible: should be one of the following:
"rockchip,rk3228-dw-hdmi"
"rockchip,rk3288-dw-hdmi"
"rockchip,rk3328-dw-hdmi"
"rockchip,rk3368-dw-hdmi"

29
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
View File

@@ -24,6 +24,11 @@
#include "rockchip_drm_drv.h"
#include "rockchip_drm_vop.h"
#define RK3228_GRF_SOC_CON2 0x0408
#define RK3228_DDC_MASK_EN ((3 << 13) | (3 << (13 + 16)))
#define RK3228_GRF_SOC_CON6 0x0418
#define RK3228_IO_3V_DOMAIN ((7 << 4) | (7 << (4 + 16)))
#define RK3288_GRF_SOC_CON6 0x025C
#define RK3288_HDMI_LCDC_SEL BIT(4)
#define RK3328_GRF_SOC_CON2 0x0408
@@ -69,6 +74,7 @@ struct rockchip_hdmi {
struct clk *vpll_clk;
struct clk *grf_clk;
struct dw_hdmi *hdmi;
struct phy *phy;
};
@@ -482,6 +488,26 @@ static void dw_hdmi_rk3328_setup_hpd(struct dw_hdmi *dw_hdmi, void *data)
RK3328_HDMI_HPD_IOE));
}
static const struct dw_hdmi_phy_ops rk3228_hdmi_phy_ops = {
.init = dw_hdmi_rockchip_genphy_init,
.disable = dw_hdmi_rockchip_genphy_disable,
.read_hpd = dw_hdmi_phy_read_hpd,
.update_hpd = dw_hdmi_phy_update_hpd,
};
static struct rockchip_hdmi_chip_data rk3228_chip_data = {
.lcdsel_grf_reg = -1,
};
static const struct dw_hdmi_plat_data rk3228_hdmi_drv_data = {
.mode_valid = dw_hdmi_rockchip_mode_valid,
.phy_config = rockchip_phy_config,
.phy_data = &rk3228_chip_data,
.phy_ops = &rk3228_hdmi_phy_ops,
.phy_name = "inno_dw_hdmi_phy",
.phy_force_vendor = true,
};
static struct rockchip_hdmi_chip_data rk3288_chip_data = {
.lcdsel_grf_reg = RK3288_GRF_SOC_CON6,
.lcdsel_big = HIWORD_UPDATE(0, RK3288_HDMI_LCDC_SEL),
@@ -549,6 +575,9 @@ static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = {
};
static const struct of_device_id dw_hdmi_rockchip_dt_ids[] = {
{ .compatible = "rockchip,rk3228-dw-hdmi",
.data = &rk3228_hdmi_drv_data
},
{ .compatible = "rockchip,rk3288-dw-hdmi",
.data = &rk3288_hdmi_drv_data
},