drm/rockchip: dw_hdmi: allow including external phys

A patch from »drm/rockchip: hdmi support for rk3328« in state Mailinglist for linux-kernel

From: Heiko Stuebner <heiko@...> Date: Mon, 11 Dec 2017 10:53:07 +0100

Commit-Message

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@...> Tested-by: Robin Murphy <robin.murphy@...>

Patch-Comment

drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 10 ++++++++++ 1 file changed, 10 insertions(+)

Statistics

  • 10 lines added
  • 0 lines removed

Changes

----------------- drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c ------------------
index b09c3531305b..57e76dfd5f6d 100644
@@ -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);
 
 

Recent Patches

About Us

Sed lacus. Donec lectus. Nullam pretium nibh ut turpis. Nam bibendum. In nulla tortor, elementum vel, tempor at, varius non, purus. Mauris vitae nisl nec metus placerat consectetuer.

Read More...