[PATCH v2 2/4] ARM: dts: omap: omap4-epson-embt2ws: wire up regulators
From: Andreas Kemnade <andreas@kemnade.info>
Date: 2024-10-10 12:30:06
Also in:
linux-omap, lkml
Subsystem:
omap device tree support, the rest · Maintainers:
Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
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