Re: [PATCH 2/2] drm/rockchip: dw_hdmi: add rk3568 support

From: Huang Jiachai <hjc@rock-chips.com>
To: "Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
	heiko@sntech.de, airlied@linux.ie, daniel@ffwll.ch,
	robh+dt@kernel.org, 操瑞杰 <algea.cao@rock-chips.com>,
	闫孝军 <andy.yan@rock-chips.com>
Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	kernel@collabora.com
Subject: Re: [PATCH 2/2] drm/rockchip: dw_hdmi: add rk3568 support
Date: Tue, 6 Jul 2021 09:04:23 +0800	[thread overview]
Message-ID: <2658816b-e6c1-06f7-03c2-3ec76fa49217@rock-chips.com> (raw)
In-Reply-To: <20210705140304.652929-3-benjamin.gaignard@collabora.com>

add algea.cao and andy.yan

在 2021/7/5 22:03, Benjamin Gaignard 写道:
> 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);

-- 
Best Regard

黄家钗
Sandy Huang
Addr: 福州市鼓楼区铜盘路软件大道89号福州软件园A区21号楼(350003)
       No. 21 Building, A District, No.89,software Boulevard Fuzhou,Fujian,PRC
Tel：+86 0591-87884919  8690
E-mail：hjc@rock-chips.com