diff options
| author | Heiko Stuebner <heiko@sntech.de> | 2018-09-12 14:47:38 +0200 |
|---|---|---|
| committer | Heiko Stuebner <heiko@sntech.de> | 2018-09-28 12:21:04 +0200 |
| commit | bd1302305ae654318b674eb6fd66346ee043ed72 (patch) | |
| tree | f349b4726a8438862e2fb3acfae3b6c99aa9ef5d /drivers/gpu/drm/rockchip | |
| parent | 9f891dbe391054ec3fe0e5d14f995addd80f7900 (diff) | |
drm/rockchip: dw_hdmi: allow including external phys
Some variants of the dw-hdmi on Rockchip socs use a separate phy block
accessed via the generic phy framework, so allow them to be included
if such a phy reference is found.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Zheng Yang <zhengyang@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180912124740.20343-5-heiko@sntech.de
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c index b09c3531305b..57e76dfd5f6d 100644 --- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c @@ -11,6 +11,7 @@ #include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/phy/phy.h> #include <linux/regmap.h> #include <drm/drm_of.h> @@ -49,6 +50,7 @@ struct rockchip_hdmi { struct clk *vpll_clk; struct clk *grf_clk; struct dw_hdmi *hdmi; + struct phy *phy; }; #define to_rockchip_hdmi(x) container_of(x, struct rockchip_hdmi, x) @@ -376,6 +378,14 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master, return ret; } + hdmi->phy = devm_phy_optional_get(dev, "hdmi"); + if (IS_ERR(hdmi->phy)) { + ret = PTR_ERR(hdmi->phy); + if (ret != -EPROBE_DEFER) + DRM_DEV_ERROR(hdmi->dev, "failed to get phy\n"); + return ret; + } + drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs); drm_encoder_init(drm, encoder, &dw_hdmi_rockchip_encoder_funcs, DRM_MODE_ENCODER_TMDS, NULL); |