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* [PATCH] arm64: dts: salvator-common: add 12V regulator to backlight
@ 2017-09-18 15:56 Ulrich Hecht
  2017-09-19  8:36 ` Laurent Pinchart
  2017-09-20 11:55 ` Geert Uytterhoeven
  0 siblings, 2 replies; 6+ messages in thread
From: Ulrich Hecht @ 2017-09-18 15:56 UTC (permalink / raw)
  To: linux-renesas-soc, geert
  Cc: linux-pwm, magnus.damm, laurent.pinchart, horms, Ulrich Hecht

This fixes the warning "pwm-backlight backlight: backlight supply power
not found, using dummy regulator".

Fixes: b33be33670217533 ("arm64: dts: salvator-x: Add panel backlight support")
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
---
 arch/arm64/boot/dts/renesas/salvator-common.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
index e3d8310..fa2a1f7 100644
--- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
@@ -63,6 +63,7 @@
 		brightness-levels = <256 128 64 16 8 4 0>;
 		default-brightness-level = <6>;
 
+		power-supply = <&reg_12v>;
 		enable-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
 	};
 
@@ -107,6 +108,15 @@
 		regulator-always-on;
 	};
 
+	reg_12v: regulator2 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-12V";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	rsnd_ak4613: sound {
 		compatible = "simple-audio-card";
 
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread
* [GIT PULL] Renesas ARM Based SoC Fixes for v4.14
@ 2017-09-25  7:54 Simon Horman
  2017-09-25  7:54   ` Simon Horman
  0 siblings, 1 reply; 6+ messages in thread
From: Simon Horman @ 2017-09-25  7:54 UTC (permalink / raw)
  To: arm
  Cc: linux-renesas-soc, Olof Johansson, Kevin Hilman, Arnd Bergmann,
	linux-arm-kernel, Magnus Damm, Simon Horman

Hi Olof, Hi Kevin, Hi Arnd,

Please consider these Renesas ARM based SoC fixes for v4.14.


The following changes since commit 2bd6bf03f4c1c59381d62c61d03f6cc3fe71f66e:

  Linux 4.14-rc1 (2017-09-16 15:47:51 -0700)

are available in the git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas.git tags/renesas-fixes-for-v4.14

for you to fetch changes up to 829e4887b8676255778e162efc57e4a0f18f8bb3:

  arm64: dts: salvator-common: add 12V regulator to backlight (2017-09-21 10:03:51 +0200)

----------------------------------------------------------------
Renesas ARM Based SoC Fixes for v4.14

Add 12V regulator to backlight allowing the power supply
for the backlight to be found.

----------------------------------------------------------------
Ulrich Hecht (1):
      arm64: dts: salvator-common: add 12V regulator to backlight

 arch/arm64/boot/dts/renesas/salvator-common.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2017-09-25  7:54 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-09-18 15:56 [PATCH] arm64: dts: salvator-common: add 12V regulator to backlight Ulrich Hecht
2017-09-19  8:36 ` Laurent Pinchart
2017-09-20 11:55 ` Geert Uytterhoeven
2017-09-21  8:04   ` Simon Horman
  -- strict thread matches above, loose matches on Subject: below --
2017-09-25  7:54 [GIT PULL] Renesas ARM Based SoC Fixes for v4.14 Simon Horman
2017-09-25  7:54 ` [PATCH] arm64: dts: salvator-common: add 12V regulator to backlight Simon Horman
2017-09-25  7:54   ` Simon Horman

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