On 05/12/2016 11:57 AM, Tony Lindgren wrote:
> * Eduard Gavin <egavin@xxxxxxxxxxx> [160509 07:43]:
>> Dear Nishanth,
>> In igepV5 the LDO7 is connected to:
>> VDDA_DSIPORTA - ball AA33
>> VDDA_DSIPORTC - ball AE33
>> VDDA_HDMI - ball AN25
>> LDO4 is connected to:
>> VPP1 - ball AD9
>
> Thanks for the info, here's an updated patch with comments and now
> using 1.8V instead of the 2.0V omap5-board-common.dtsi.
>
> Regards,
>
> Tony
>
> 8< -----------------
> From: Tony Lindgren <tony@xxxxxxxxxxx>
> Date: Mon, 9 May 2016 07:51:00 -0700
> Subject: [PATCH] ARM: dts: Fix ldo7 source for HDMI on igepv5
>
> Fix ldo7 source for HDMI on igepv5.
>
> Suggested-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
>
> --- a/arch/arm/boot/dts/omap5-igep0050.dts
> +++ b/arch/arm/boot/dts/omap5-igep0050.dts
> @@ -35,6 +35,16 @@
> };
> };
>
> +/*
> + * LDO7 is used for HDMI: VDDA_DSIPORTA - ball AA33, VDDA_DSIPORTC - ball AE33
> + * VDDA_HDMI - ball AN25. LDO4 is: VPP1 - ball AD9.
We should set ldo4_reg as 2v as well (default in omap5-board-common is
1.8v). VPP1 should be 2v to prevent efuse from being messed up.
> + */
> +&ldo7_reg {
> + status = "okay";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> +};
> +
> &omap5_pmx_core {
> i2c4_pins: pinmux_i2c4_pins {
> pinctrl-single,pins = <
>
--
Regards,
Nishanth Menon
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