On 08/31/2016 08:08 AM, Milo Kim wrote: > * GPIO for HDMI hot plug detect > GPX3_7 is used. The HPD awareness is done when the GPIO is active high. > > * Enable HDMI block in Exynos5420 > HDMI VDD and PLL consume 1.0V LDO6 (PVDD_ANAIP_1V0) and HDMI oscillator > requires 1.8V LDO7 (PVDD_ANAIP_1V8). > > * Support HDMI display data channel > I2C #2 is assigned for the HDMI DDC. It enables the EDID access. > > Cc: Kukjin Kim <[email protected]> > Cc: Krzysztof Kozlowski <[email protected]> > Cc: Rob Herring <[email protected]> > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > Signed-off-by: Milo Kim <[email protected]>
Reviewed-by: Andrzej Hajda <[email protected]> -- Regards Andrzej > --- > arch/arm/boot/dts/exynos5420-arndale-octa.dts | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos5420-arndale-octa.dts > b/arch/arm/boot/dts/exynos5420-arndale-octa.dts > index 39a3b81..d2ad48e 100644 > --- a/arch/arm/boot/dts/exynos5420-arndale-octa.dts > +++ b/arch/arm/boot/dts/exynos5420-arndale-octa.dts > @@ -70,6 +70,15 @@ > status = "disabled"; > }; > > +&hdmi { > + hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>; > + vdd_osc-supply = <&ldo7_reg>; > + vdd_pll-supply = <&ldo6_reg>; > + vdd-supply = <&ldo6_reg>; > + ddc = <&i2c_2>; > + status = "okay"; > +}; > + > &hsi2c_4 { > status = "okay"; > > @@ -347,6 +356,10 @@ > }; > }; > > +&i2c_2 { > + status = "okay"; > +}; > + > &mmc_0 { > status = "okay"; > broken-cd;
