| Message ID | 1400035562-16832-2-git-send-email-rahul.sharma@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Rahul, On 14.05.2014 04:45, Rahul Sharma wrote: > From: Rahul Sharma <Rahul.Sharma@samsung.com> > > Enable support for HDMI for exynos5250 based Snow board. > > Signed-off-by: Rahul Sharma <Rahul.Sharma@samsung.com> > --- > arch/arm/boot/dts/exynos5250-cros-common.dtsi | 6 +++++- > arch/arm/boot/dts/exynos5250-pinctrl.dtsi | 7 +++++++ > arch/arm/boot/dts/exynos5250-snow.dts | 7 +++++++ > 3 files changed, 19 insertions(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/exynos5250-cros-common.dtsi b/arch/arm/boot/dts/exynos5250-cros-common.dtsi > index 2c1560d..89ac90f 100644 > --- a/arch/arm/boot/dts/exynos5250-cros-common.dtsi > +++ b/arch/arm/boot/dts/exynos5250-cros-common.dtsi > @@ -240,7 +240,7 @@ > samsung,i2c-sda-delay = <100>; > samsung,i2c-max-bus-freq = <378000>; > > - hdmiphy@38 { > + hdmiphy: hdmiphy@38 { > compatible = "samsung,exynos4212-hdmiphy"; > reg = <0x38>; > }; > @@ -304,6 +304,10 @@ > > hdmi { > hpd-gpio = <&gpx3 7 0>; > + pinctrl-names = "default"; > + pinctrl-0 = <&hdmi_hpd_irq>; > + phy = <&hdmiphy>; > + ddc = <&i2c_2>; > }; > > gpio-keys { > diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi > index 9a49e68..da3ae66 100644 > --- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi > +++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi > @@ -560,6 +560,13 @@ > samsung,pin-pud = <0>; > samsung,pin-drv = <0>; > }; > + > + hdmi_hpd_irq: hdmi-hpd-irq { > + samsung,pins = "gpx3-7"; > + samsung,pin-function = <0>; > + samsung,pin-pud = <1>; > + samsung,pin-drv = <0>; > + }; Based on the fact that this is just being configured as input, I don't think this is a generic special function, but rather a board-specific GPIO, which should be defined in dts of respective board. > }; > > pinctrl@13400000 { > diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts > index 1ce1088..696850a 100644 > --- a/arch/arm/boot/dts/exynos5250-snow.dts > +++ b/arch/arm/boot/dts/exynos5250-snow.dts > @@ -206,4 +206,11 @@ > clock-frequency = <24000000>; > }; > }; > + > + hdmi { > + hdmi-en-supply = <&tps65090_fet7>; > + vdd-supply = <&ldo8_reg>; > + vdd_osc-supply = <&ldo10_reg>; > + vdd_pll-supply = <&ldo8_reg>; Hmm, those regulators don't seem to be listed in Documentation/devicetree/bindings/video/exynos_hdmi.txt, at least in today's linux-next. The driver seems to use them, though. This isn't a problem with this patch, but if you're working on this, could you also fix the documentation in separate patch? Best regards, Tomasz
Tomasz, On 15 May 2014 01:11, Tomasz Figa <tomasz.figa@gmail.com> wrote: > Hi Rahul, > > On 14.05.2014 04:45, Rahul Sharma wrote: >> From: Rahul Sharma <Rahul.Sharma@samsung.com> >> >> Enable support for HDMI for exynos5250 based Snow board. >> >> Signed-off-by: Rahul Sharma <Rahul.Sharma@samsung.com> >> --- >> arch/arm/boot/dts/exynos5250-cros-common.dtsi | 6 +++++- >> arch/arm/boot/dts/exynos5250-pinctrl.dtsi | 7 +++++++ >> arch/arm/boot/dts/exynos5250-snow.dts | 7 +++++++ >> 3 files changed, 19 insertions(+), 1 deletion(-) >> >> diff --git a/arch/arm/boot/dts/exynos5250-cros-common.dtsi b/arch/arm/boot/dts/exynos5250-cros-common.dtsi >> index 2c1560d..89ac90f 100644 >> --- a/arch/arm/boot/dts/exynos5250-cros-common.dtsi >> +++ b/arch/arm/boot/dts/exynos5250-cros-common.dtsi >> @@ -240,7 +240,7 @@ >> samsung,i2c-sda-delay = <100>; >> samsung,i2c-max-bus-freq = <378000>; >> >> - hdmiphy@38 { >> + hdmiphy: hdmiphy@38 { >> compatible = "samsung,exynos4212-hdmiphy"; >> reg = <0x38>; >> }; >> @@ -304,6 +304,10 @@ >> >> hdmi { >> hpd-gpio = <&gpx3 7 0>; >> + pinctrl-names = "default"; >> + pinctrl-0 = <&hdmi_hpd_irq>; >> + phy = <&hdmiphy>; >> + ddc = <&i2c_2>; >> }; >> >> gpio-keys { >> diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi >> index 9a49e68..da3ae66 100644 >> --- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi >> +++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi >> @@ -560,6 +560,13 @@ >> samsung,pin-pud = <0>; >> samsung,pin-drv = <0>; >> }; >> + >> + hdmi_hpd_irq: hdmi-hpd-irq { >> + samsung,pins = "gpx3-7"; >> + samsung,pin-function = <0>; >> + samsung,pin-pud = <1>; >> + samsung,pin-drv = <0>; >> + }; > > Based on the fact that this is just being configured as input, I don't > think this is a generic special function, but rather a board-specific > GPIO, which should be defined in dts of respective board. > Ok. >> }; >> >> pinctrl@13400000 { >> diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts >> index 1ce1088..696850a 100644 >> --- a/arch/arm/boot/dts/exynos5250-snow.dts >> +++ b/arch/arm/boot/dts/exynos5250-snow.dts >> @@ -206,4 +206,11 @@ >> clock-frequency = <24000000>; >> }; >> }; >> + >> + hdmi { >> + hdmi-en-supply = <&tps65090_fet7>; >> + vdd-supply = <&ldo8_reg>; >> + vdd_osc-supply = <&ldo10_reg>; >> + vdd_pll-supply = <&ldo8_reg>; > > Hmm, those regulators don't seem to be listed in > Documentation/devicetree/bindings/video/exynos_hdmi.txt, at least in > today's linux-next. The driver seems to use them, though. > > This isn't a problem with this patch, but if you're working on this, > could you also fix the documentation in separate patch? > I will post another patch for documentation update. Regards, Rahul Sharma. > Best regards, > Tomasz
diff --git a/arch/arm/boot/dts/exynos5250-cros-common.dtsi b/arch/arm/boot/dts/exynos5250-cros-common.dtsi index 2c1560d..89ac90f 100644 --- a/arch/arm/boot/dts/exynos5250-cros-common.dtsi +++ b/arch/arm/boot/dts/exynos5250-cros-common.dtsi @@ -240,7 +240,7 @@ samsung,i2c-sda-delay = <100>; samsung,i2c-max-bus-freq = <378000>; - hdmiphy@38 { + hdmiphy: hdmiphy@38 { compatible = "samsung,exynos4212-hdmiphy"; reg = <0x38>; }; @@ -304,6 +304,10 @@ hdmi { hpd-gpio = <&gpx3 7 0>; + pinctrl-names = "default"; + pinctrl-0 = <&hdmi_hpd_irq>; + phy = <&hdmiphy>; + ddc = <&i2c_2>; }; gpio-keys { diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi index 9a49e68..da3ae66 100644 --- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi @@ -560,6 +560,13 @@ samsung,pin-pud = <0>; samsung,pin-drv = <0>; }; + + hdmi_hpd_irq: hdmi-hpd-irq { + samsung,pins = "gpx3-7"; + samsung,pin-function = <0>; + samsung,pin-pud = <1>; + samsung,pin-drv = <0>; + }; }; pinctrl@13400000 { diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts index 1ce1088..696850a 100644 --- a/arch/arm/boot/dts/exynos5250-snow.dts +++ b/arch/arm/boot/dts/exynos5250-snow.dts @@ -206,4 +206,11 @@ clock-frequency = <24000000>; }; }; + + hdmi { + hdmi-en-supply = <&tps65090_fet7>; + vdd-supply = <&ldo8_reg>; + vdd_osc-supply = <&ldo10_reg>; + vdd_pll-supply = <&ldo8_reg>; + }; };