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authorAndreas Kemnade <andreas@kemnade.info>2024-10-10 15:29:54 +0300
committerKevin Hilman <khilman@baylibre.com>2024-10-30 02:24:48 +0300
commit11dcae189003f31a7457bf2338fb78957f6a4534 (patch)
tree5b435c5849033b2e8fcce3e5b63559670dc07e49 /arch/arm/boot
parent76a4c6c215f19165382a75cff0489aaffa2289ce (diff)
downloadlinux-11dcae189003f31a7457bf2338fb78957f6a4534.tar.xz
ARM: dts: omap: omap4-epson-embt2ws: define GPIO regulators
To properly have things running after cold boot, define GPIO regulators. Naming is based on board file. In the vendor kernel they are enabled in a function called bt2ws_dcdc_init() if the system is not booted just to charge the battery. Signed-off-by: Andreas Kemnade <andreas@kemnade.info> Reviewed-by: Roger Quadros <rogerq@kernel.org> Link: https://lore.kernel.org/r/20241010122957.85164-2-andreas@kemnade.info Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts73
1 files changed, 73 insertions, 0 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 339e52ba3614..4462747b5cf5 100644
--- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
+++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
@@ -46,6 +46,55 @@
};
};
+ cb_v18: regulator-cb-v18 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&cb_v18_pins>;
+ compatible = "regulator-fixed";
+ regulator-name = "cb_v18";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ cb_v33: regulator-cb-v33 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&cb_v33_pins>;
+ compatible = "regulator-fixed";
+ regulator-name = "cb_v33";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ gpio = <&gpio6 30 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ regulator-cb-v50 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&cb_v50_pins>;
+ compatible = "regulator-fixed";
+ regulator-name = "cb_v50";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ gpio = <&gpio6 31 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ lb_v50: regulator-lb-v50 {
+ /* required for many things at the head (probably indirectly) */
+ pinctrl-names = "default";
+ pinctrl-0 = <&lb_v50_pins>;
+ compatible = "regulator-fixed";
+ regulator-name = "lb_v50";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ gpio = <&gpio1 27 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
unknown_supply: unknown-supply {
compatible = "regulator-fixed";
regulator-name = "unknown";
@@ -336,6 +385,24 @@
>;
};
+ cb_v18_pins: pinmux-cb-v18-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1d0, PIN_OUTPUT | MUX_MODE3) /* gpio28 */
+ >;
+ };
+
+ cb_v33_pins: pinmux-cb-v33-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1d2, PIN_OUTPUT | MUX_MODE3) /* gpio190 */
+ >;
+ };
+
+ cb_v50_pins: pinmux-cb-v50-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1d4, PIN_OUTPUT | MUX_MODE3) /* gpio191 */
+ >;
+ };
+
gpio_keys_pins: pinmux-gpio-key-pins {
pinctrl-single,pins = <
OMAP4_IOPAD(0x56, PIN_INPUT_PULLUP | MUX_MODE3) /* gpio35 */
@@ -387,6 +454,12 @@
>;
};
+ lb_v50_pins: pinmux-lb-v50-pins {
+ pinctrl-single,pins = <
+ OMAP4_IOPAD(0x1ce, PIN_OUTPUT | MUX_MODE3) /* gpio27 */
+ >;
+ };
+
mcbsp2_pins: pinmux-mcbsp2-pins {
pinctrl-single,pins = <
OMAP4_IOPAD(0x0f6, PIN_INPUT | MUX_MODE0) /* abe_mcbsp2_clkx */