[PATCH v3 10/10] drm/rockchip: analogix_dp: Add support for RK3576

[Damon Ding <damon.ding@rock-chips.com>]

RK3576 integrates the Analogix eDP 1.3 TX controller IP and the HDMI/eDP
TX Combo PHY based on a Samsung IP block - both of which are the same as
those on RK3588.

The patch currently adds only the basic support, specifically RGB output
up to 4K@60Hz, without the tests for audio, PSR and other eDP 1.3 specific
features.

Signed-off-by: Damon Ding <damon.ding@rock-chips.com>
Reviewed-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

---

Changes in v2:
- Split out a separate patch to enable the "hclk" clock.
- Add Reviewed-by tag.

Changes in v3:
- Add Reviewed-by tag.
---
 drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index a864bcf8200e..75706a2fdba8 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -522,6 +522,14 @@ static const struct rockchip_dp_chip_data rk3288_dp[] = {
 	{ /* sentinel */ }
 };
 
+static const struct rockchip_dp_chip_data rk3576_edp[] = {
+	{
+		.chip_type = RK3576_EDP,
+		.reg = 0x27dc0000,
+	},
+	{ /* sentinel */ }
+};
+
 static const struct rockchip_dp_chip_data rk3588_edp[] = {
 	{
 		.edp_mode = GRF_REG_FIELD(0x0000, 0, 0),
@@ -539,6 +547,7 @@ static const struct rockchip_dp_chip_data rk3588_edp[] = {
 static const struct of_device_id rockchip_dp_dt_ids[] = {
 	{.compatible = "rockchip,rk3288-dp", .data = &rk3288_dp },
 	{.compatible = "rockchip,rk3399-edp", .data = &rk3399_edp },
+	{.compatible = "rockchip,rk3576-edp", .data = &rk3576_edp },
 	{.compatible = "rockchip,rk3588-edp", .data = &rk3588_edp },
 	{}
 };
-- 
2.34.1


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