lkml.org 
[lkml]   [2021]   [Jul]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/2] drm/rockchip: dw_hdmi: add rk3568 support
Date
Add a new dw_hdmi_plat_data struct and new compatible for rk3568.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 28 +++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 830bdd5e9b7ce..5817c3a9fe64b 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -50,6 +50,10 @@
#define RK3399_GRF_SOC_CON20 0x6250
#define RK3399_HDMI_LCDC_SEL BIT(6)

+#define RK3568_GRF_VO_CON1 0x0364
+#define RK3568_HDMI_SDAIN_MSK BIT(15)
+#define RK3568_HDMI_SCLIN_MSK BIT(14)
+
#define HIWORD_UPDATE(val, mask) (val | (mask) << 16)

/**
@@ -467,6 +471,19 @@ static const struct dw_hdmi_plat_data rk3399_hdmi_drv_data = {
.use_drm_infoframe = true,
};

+static struct rockchip_hdmi_chip_data rk3568_chip_data = {
+ .lcdsel_grf_reg = -1,
+};
+
+static const struct dw_hdmi_plat_data rk3568_hdmi_drv_data = {
+ .mode_valid = dw_hdmi_rockchip_mode_valid,
+ .mpll_cfg = rockchip_mpll_cfg,
+ .cur_ctr = rockchip_cur_ctr,
+ .phy_config = rockchip_phy_config,
+ .phy_data = &rk3568_chip_data,
+ .use_drm_infoframe = true,
+};
+
static const struct of_device_id dw_hdmi_rockchip_dt_ids[] = {
{ .compatible = "rockchip,rk3228-dw-hdmi",
.data = &rk3228_hdmi_drv_data
@@ -480,6 +497,9 @@ static const struct of_device_id dw_hdmi_rockchip_dt_ids[] = {
{ .compatible = "rockchip,rk3399-dw-hdmi",
.data = &rk3399_hdmi_drv_data
},
+ { .compatible = "rockchip,rk3568-dw-hdmi",
+ .data = &rk3568_hdmi_drv_data
+ },
{},
};
MODULE_DEVICE_TABLE(of, dw_hdmi_rockchip_dt_ids);
@@ -536,6 +556,14 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
return ret;
}

+ if (hdmi->chip_data == &rk3568_chip_data) {
+ regmap_write(hdmi->regmap, RK3568_GRF_VO_CON1,
+ HIWORD_UPDATE(RK3568_HDMI_SDAIN_MSK |
+ RK3568_HDMI_SCLIN_MSK,
+ RK3568_HDMI_SDAIN_MSK |
+ RK3568_HDMI_SCLIN_MSK));
+ }
+
hdmi->phy = devm_phy_optional_get(dev, "hdmi");
if (IS_ERR(hdmi->phy)) {
ret = PTR_ERR(hdmi->phy);
--
2.25.1
\
 
 \ /
  Last update: 2021-07-05 16:05    [W:0.077 / U:2.656 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site