From 7e60c4e19fd3d3f1203fbb1fdd9b2bb1a1201e65 Mon Sep 17 00:00:00 2001 From: Damon Ding Date: Mon, 1 Jun 2026 14:51:00 +0800 Subject: [PATCH] drm/rockchip: analogix_dp: Add support for RK3576 RK3576 integrates Analogix eDP 1.3 TX and Samsung combo PHY hardware blocks that fully match the proven RK3588 design. Add dedicated chip data table and device tree matching entry to bring up basic eDP functionality for the RK3576 platform. Support is limited to RGB output up to 4K@60Hz for now; audio, PSR and other advanced eDP 1.3 features remain unvalidated. Signed-off-by: Damon Ding Reviewed-by: Nicolas Frattaroli Reviewed-by: Luca Ceresoli Signed-off-by: Heiko Stuebner Link: https://patch.msgid.link/20260601065100.1103873-12-damon.ding@rock-chips.com --- 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 b1ed25cefe5e..776954c7d052 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -526,6 +526,14 @@ 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), @@ -543,6 +551,7 @@ 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 }, {} };