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authorSascha Hauer <s.hauer@pengutronix.de>2022-04-22 09:28:24 +0200
committerHeiko Stuebner <heiko@sntech.de>2022-05-03 12:56:04 +0200
commit28bbb5ffbe32741e65d798070986d212cc11e1bb (patch)
tree3eeaddc48b1bd2fb07365b5f177479be329e717f /drivers/gpu/drm/rockchip
parentdt-bindings: display: rockchip: dw-hdmi: Add compatible for rk3568 HDMI (diff)
downloadlinux-dev-28bbb5ffbe32741e65d798070986d212cc11e1bb.tar.xz
linux-dev-28bbb5ffbe32741e65d798070986d212cc11e1bb.zip
drm/rockchip: dw_hdmi: add rk3568 support
Add a new dw_hdmi_plat_data struct and new compatible for rk3568. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Tested-by: Michael Riesch <michael.riesch@wolfvision.net> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20220422072841.2206452-8-s.hauer@pengutronix.de
Diffstat (limited to 'drivers/gpu/drm/rockchip')
-rw-r--r--drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 912181429880..b64cc62c7b5a 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)
/**
@@ -473,6 +477,19 @@ 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
@@ -486,6 +503,9 @@ 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);
@@ -520,6 +540,9 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
encoder = &hdmi->encoder.encoder;
encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
+ rockchip_drm_encoder_set_crtc_endpoint_id(&hdmi->encoder,
+ dev->of_node, 0, 0);
+
/*
* If we failed to find the CRTC(s) which this encoder is
* supposed to be connected to, it's because the CRTC has
@@ -550,6 +573,14 @@ 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));
+ }
+
drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);