Re: [PATCH 2/2] drm/rockchip: dw_hdmi: add rk3568 support【请注意，邮件由linux-rockchip-bounces+algea.cao=rock-chips.com@lists.infradead.org代发】
From: crj <hidden>
Date: 2021-07-07 01:32:07
Also in:
dri-devel, linux-arm-kernel, linux-rockchip, lkml
Hi Benjamin, RK3568 hdmi phy ref clock source is HPLL. HPLL must be set when switching resolution or plugging. Whether to add the configuration for HPLL? Thanks! 在 2021/7/5 22:03, Benjamin Gaignard 写道:
quoted hunk ↗ jump to hunk
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);