ARM: dts: omap: omap4-epson-embt2ws: wire up regulators

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>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20241010122957.85164-3-andreas@kemnade.info
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

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 4462747b5cf5b1ad7318ad97c84aa0229f9b1373..7684868a2eed762e2ce000ae3b4d22a44a27db90 100644 (file)
--- 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 @@
        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 @@
                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 @@
                pinctrl-0 = <&mpu9150_pins>;
                interrupt-parent = <&gpio2>;
                interrupt = <7 IRQ_TYPE_LEVEL_HIGH>;
+               vddio-supply = <&cb_v18>;
+               vdd-supply = <&cb_v33>;
                invensense,level-shifter;
        };
 };