Re: [PATCH 5/5] ARM: tegra: Add hdmi to Tegra114 Dalmore device tree

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On 08/28/2013 03:30 PM, Thierry Reding wrote:
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On Wed, Aug 28, 2013 at 01:40:59PM +0300, Mikko Perttunen wrote:
Add hdmi node to Dalmore device tree to supply Dalmore-specific

s/hdmi/HDMI/

Will fix.


diff --git a/arch/arm/boot/dts/tegra114-dalmore.dts b/arch/arm/boot/dts/tegra114-dalmore.dts
[...]
+	host1x {
+		hdmi {
+			status = "okay";
+
+			vdd-supply = <&vdd_hdmi_reg>;
+			pll-supply = <&palmas_smps3_reg>;
+			nvidia,ddc-i2c-bus = <&hdmi_ddc>;

I prefer to use a blank line to separate "standard" from
"vendor-specific" properties.

Will fix.


+			nvidia,hpd-gpio = <&gpio TEGRA_GPIO(N, 7) GPIO_ACTIVE_HIGH>;

Other .dts files split this so it doesn't exceed 80 characters. I'm not
sure how useful that is as a general rule for DT source files, though.

Will fix. I guess check_patch.pl doesn't check for line length in *.dts.


  	i2c@7000d000 {
  		status = "okay";
  		clock-frequency = <400000>;
@@ -1169,6 +1184,8 @@
  			regulator-min-microvolt = <5000000>;
  			regulator-max-microvolt = <5000000>;
  			enable-active-high;
+			regulator-always-on;
+			regulator-boot-on;

This warrants at least a mention in the commit message.

Hmm, yeah. Looks like the HDMI driver only enables the Vdd in tegra_output_hdmi_enable, which is too late at least for DDC. I guess a better patch would be to enable it earlier. In _probe?


Thierry

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