Add support for s2dos05 display / touchscreen PMIC
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
---
Changes in v6:
- refactor: s/starqltechn/sdm845-starqltechn in subject
- refactor: 'i' < 'm', so put tlmm i2c node before motor*
Changes in v5:
- simplify regulator names
- remove single buck index
---
arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 77 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
index 7d1d57f41024..5635f3b088cf 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-samsung-starqltechn.dts
@@ -39,6 +39,9 @@ framebuffer: framebuffer@9d400000 {
height = <2960>;
stride = <(1440 * 4)>;
format = "a8r8g8b8";
+ vci-supply = <&s2dos05_ldo4>;
+ vddr-supply = <&s2dos05_buck>;
+ vdd3-supply = <&s2dos05_ldo1>;
};
};
@@ -101,6 +104,66 @@ key-wink {
};
};
+ i2c21 {
+ compatible = "i2c-gpio";
+ sda-gpios = <&tlmm 127 GPIO_ACTIVE_HIGH>;
+ scl-gpios = <&tlmm 128 GPIO_ACTIVE_HIGH>;
+ i2c-gpio,delay-us = <2>;
+ pinctrl-0 = <&i2c21_sda_state &i2c21_scl_state>;
+ pinctrl-names = "default";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@60 {
+ compatible = "samsung,s2dos05";
+ reg = <0x60>;
+
+ regulators {
+ s2dos05_ldo1: ldo1 {
+ regulator-active-discharge = <1>;
+ regulator-enable-ramp-delay = <12000>;
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <2000000>;
+ regulator-name = "ldo1";
+ };
+
+ s2dos05_ldo2: ldo2 {
+ regulator-active-discharge = <1>;
+ regulator-boot-on;
+ regulator-enable-ramp-delay = <12000>;
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-name = "ldo2";
+ };
+
+ s2dos05_ldo3: ldo3 {
+ regulator-active-discharge = <1>;
+ regulator-boot-on;
+ regulator-enable-ramp-delay = <12000>;
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-name = "ldo3";
+ };
+
+ s2dos05_ldo4: ldo4 {
+ regulator-active-discharge = <1>;
+ regulator-enable-ramp-delay = <12000>;
+ regulator-min-microvolt = <2700000>;
+ regulator-max-microvolt = <3775000>;
+ regulator-name = "ldo4";
+ };
+
+ s2dos05_buck: buck {
+ regulator-active-discharge = <1>;
+ regulator-enable-ramp-delay = <12000>;
+ regulator-min-microvolt = <850000>;
+ regulator-max-microvolt = <2100000>;
+ regulator-name = "buck";
+ };
+ };
+ };
+ };
+
vib_regulator: gpio-regulator {
compatible = "regulator-fixed";
regulator-name = "haptic";
@@ -544,6 +607,20 @@ &tlmm {
gpio-reserved-ranges = <27 4>, /* SPI (eSE - embedded Secure Element) */
<85 4>; /* SPI (fingerprint reader) */
+ i2c21_sda_state: i2c21-sda-state {
+ pins = "gpio127";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
+ i2c21_scl_state: i2c21-scl-state {
+ pins = "gpio128";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
motor_pwm_default_state: motor-pwm-active-state {
pins = "gpio57";
function = "gcc_gp1";
--
2.39.2