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From: Andreas Kemnade <andreas@kemnade.info>
To: linux-kernel@vger.kernel.org, Rob Herring <robh@kernel.org>,
	rogerq@kernel.org, linux-omap@vger.kernel.org,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	tony@atomide.com, devicetree@vger.kernel.org,
	khilman@baylibre.com, Conor Dooley <conor+dt@kernel.org>,
	aaro.koskinen@iki.fi
Cc: Andreas Kemnade <andreas@kemnade.info>
Subject: [PATCH v2 2/4] ARM: dts: omap: omap4-epson-embt2ws: wire up regulators
Date: Thu, 10 Oct 2024 14:29:55 +0200	[thread overview]
Message-ID: <20241010122957.85164-3-andreas@kemnade.info> (raw)
In-Reply-To: <20241010122957.85164-1-andreas@kemnade.info>

Wire up the regulators where usage is plausible. Do not
wire them if purpose/usage is unclear like 5V for
many things requiring lower voltages.

Tested on vendor kernel that backlight definitively does not react
on blc_[rl] GPIOs.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
---
 arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
index 4462747b5cf5..7684868a2eed 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -20,13 +20,13 @@ memory@80000000 {
 	backlight-left {
 		compatible = "pwm-backlight";
 		pwms = <&twl_pwm 1 7812500>;
-		power-supply = <&unknown_supply>;
+		power-supply = <&lb_v50>;
 	};
 
 	backlight-right {
 		compatible = "pwm-backlight";
 		pwms = <&twl_pwm 0 7812500>;
-		power-supply = <&unknown_supply>;
+		power-supply = <&lb_v50>;
 	};
 
 	chosen {
@@ -95,11 +95,6 @@ lb_v50: regulator-lb-v50 {
 		enable-active-high;
 	};
 
-	unknown_supply: unknown-supply {
-		compatible = "regulator-fixed";
-		regulator-name = "unknown";
-	};
-
 	wl12xx_pwrseq: wl12xx-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		clocks = <&twl 1>;
@@ -308,6 +303,8 @@ mpu9150: imu@68 {
 		pinctrl-0 = <&mpu9150_pins>;
 		interrupt-parent = <&gpio2>;
 		interrupt = <7 IRQ_TYPE_LEVEL_HIGH>;
+		vddio-supply = <&cb_v18>;
+		vdd-supply = <&cb_v33>;
 		invensense,level-shifter;
 	};
 };
-- 
2.39.5


  parent reply	other threads:[~2024-10-10 12:30 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-10 12:29 [PATCH v2 0/4] ARM: dts: omap: omap4-epson-embt2ws: misc gpio definitions Andreas Kemnade
2024-10-10 12:29 ` [PATCH v2 1/4] ARM: dts: omap: omap4-epson-embt2ws: define GPIO regulators Andreas Kemnade
2024-10-10 20:07   ` Roger Quadros
2024-10-10 12:29 ` Andreas Kemnade [this message]
2024-10-10 20:08   ` [PATCH v2 2/4] ARM: dts: omap: omap4-epson-embt2ws: wire up regulators Roger Quadros
2024-10-10 12:29 ` [PATCH v2 3/4] ARM: dts: omap: omap4-epson-embt2ws: add unknown gpio outputs Andreas Kemnade
2024-10-10 20:15   ` Roger Quadros
2024-10-11  9:12     ` Andreas Kemnade
2024-10-11 10:37       ` Roger Quadros
2024-10-11 10:37   ` Roger Quadros
2024-10-10 12:29 ` [PATCH v2 4/4] ARM: dts: omap: omap4-epson-embt2ws: add GPIO expander Andreas Kemnade
2024-10-10 20:17   ` Roger Quadros
2024-10-10 14:30 ` [PATCH v2 0/4] ARM: dts: omap: omap4-epson-embt2ws: misc gpio definitions Rob Herring (Arm)
2024-10-17  9:49   ` Andreas Kemnade
2024-10-29 23:23   ` Kevin Hilman
2024-10-29 23:35 ` Kevin Hilman

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