diff options
Diffstat (limited to 'drivers/gpu/drm/meson/meson_dw_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_dw_hdmi.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index cef414466f9f..17de3afd98f6 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -23,6 +23,7 @@ #include <linux/of_graph.h> #include <linux/reset.h> #include <linux/clk.h> +#include <linux/regulator/consumer.h> #include <drm/drmP.h> #include <drm/drm_edid.h> @@ -137,6 +138,7 @@ struct meson_dw_hdmi { struct reset_control *hdmitx_phy; struct clk *hdmi_pclk; struct clk *venci_clk; + struct regulator *hdmi_supply; u32 irq_stat; }; #define encoder_to_meson_dw_hdmi(x) \ @@ -751,6 +753,17 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master, dw_plat_data = &meson_dw_hdmi->dw_plat_data; encoder = &meson_dw_hdmi->encoder; + meson_dw_hdmi->hdmi_supply = devm_regulator_get_optional(dev, "hdmi"); + if (IS_ERR(meson_dw_hdmi->hdmi_supply)) { + if (PTR_ERR(meson_dw_hdmi->hdmi_supply) == -EPROBE_DEFER) + return -EPROBE_DEFER; + meson_dw_hdmi->hdmi_supply = NULL; + } else { + ret = regulator_enable(meson_dw_hdmi->hdmi_supply); + if (ret) + return ret; + } + meson_dw_hdmi->hdmitx_apb = devm_reset_control_get_exclusive(dev, "hdmitx_apb"); if (IS_ERR(meson_dw_hdmi->hdmitx_apb)) { |