[PATCH v7 10/11] ARM: at91/dt: add LCD panel description to sama5d3xdm.dtsi
From: Thierry Reding <hidden>
Date: 2014-10-06 11:01:23
Also in:
dri-devel, linux-devicetree, linux-pwm, lkml
On Wed, Oct 01, 2014 at 04:53:07PM +0200, Boris Brezillon wrote: [...]
quoted hunk ↗ jump to hunk
diff --git a/arch/arm/boot/dts/sama5d3xdm.dtsi b/arch/arm/boot/dts/sama5d3xdm.dtsi
[...]
+ bl_reg: backlight_regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "backlight-power-supply";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ status = "disabled";
+ };
+
+ panel_reg: panel_regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "panel-power-supply";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ status = "disabled";
+ };
+
+ backlight: backlight {
+ compatible = "pwm-backlight";
+ pwms = <&hlcdc_pwm 0 50000 0>;
+ brightness-levels = <0 4 8 16 32 64 128 255>;
+ default-brightness-level = <6>;
+ power-supply = <&bl_reg>;
+ status = "disabled";
+ };Why are these all disabled? Patch 11/11 now needs to enable all of them explicitly for each board that uses this display module.
+ panel: panel {
+ compatible = "foxlink,fl500wvr00-a0t", "simple-panel";"simple-panel" shouldn't be in this list. There's nothing useful a driver can do by matching on it.
+ backlight = <&backlight>;
+ power-supply = <&panel_reg>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ port at 0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel_input: endpoint at 0 {
+ reg = <0>;
+ remote-endpoint = <&hlcdc_panel_output>;
+ };
};There's no support for OF graphs in simple-panel, so this is unused, isn't it? Thierry -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 819 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20141006/a9430c46/attachment-0001.sig>