On 11:17-20220719, Jerome Neanne wrote:
> Add support fot the TI Power Management IC TPS65219
> on the AM642 SKEVM board
>
> Signed-off-by: Jerome Neanne <jneanne@xxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/ti/k3-am642-sk.dts | 104 +++++++++++++++++++++++++
> 1 file changed, 104 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> index 59f506cbd275..4daf55b9d61a 100644
> --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
> @@ -150,6 +150,20 @@
> vin-supply = <&com8_ls_en>;
> gpio = <&main_gpio0 48 GPIO_ACTIVE_HIGH>;
> };
> +
> + vsel_sd_nddr: gpio-regulator {
> + compatible = "regulator-gpio";
> + pinctrl-names = "default";
> + pinctrl-0 = <&vsel_sd_nddr_pins_default>;
> + regulator-name = "tps65219-LDO1-SEL-SD";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-boot-on;
> + vin-supply = <&ldo1_reg>;
> + gpios = <&main_gpio0 45 GPIO_ACTIVE_HIGH>;
> + states = <1800000 0x0>,
> + <3300000 0x1>;
> + };
> };
>
> &main_pmx0 {
> @@ -172,6 +186,13 @@
> >;
> };
>
> + main_i2c0_pins_default: main-i2c0-pins-default {
> + pinctrl-single,pins = <
> + AM64X_IOPAD(0x0260, PIN_INPUT_PULLUP, 0) /* (A18) I2C0_SCL */
> + AM64X_IOPAD(0x0264, PIN_INPUT_PULLUP, 0) /* (B18) I2C0_SDA */
> + >;
> + };
> +
> main_i2c1_pins_default: main-i2c1-pins-default {
> pinctrl-single,pins = <
> AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */
> @@ -258,6 +279,12 @@
> AM64X_IOPAD(0x00bc, PIN_INPUT, 7) /* (U8) GPIO0_46 */
> >;
> };
> +
> + vsel_sd_nddr_pins_default: vsel-sd-nddr-pins-default {
> + pinctrl-single,pins = <
> + AM64X_IOPAD(0x00b8, PIN_INPUT, 7) /* (Y7) PRG1_PRU0_GPO0.GPIO0_45 */
> + >;
> + };
> };
>
> &mcu_uart0 {
> @@ -301,6 +328,83 @@
> status = "disabled";
> };
>
> +&main_i2c0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_i2c0_pins_default>;
> + clock-frequency = <400000>;
> + status = "okay";
> +
> + tps65219: pmic@30 {
Am I missing something?
https://www.ti.com/tool/SK-AM64#design-files
https://www.ti.com/lit/df/sprr432/sprr432.pdf
Page 11:
I see TPS6521815 at address 0x24, nothing in 0x30?
> + compatible = "ti,tps65219";
> + reg = <0x30>;
> + system-power-controller;
> +
> + buck1-supply = <&vcc_3v3_sys>;
> + buck2-supply = <&vcc_3v3_sys>;
> + buck3-supply = <&vcc_3v3_sys>;
> + ldo1-supply = <&vcc_3v3_sys>;
> + ldo2-supply = <&buck2_reg>;
> + ldo3-supply = <&vcc_3v3_sys>;
> + ldo4-supply = <&vcc_3v3_sys>;
> +
> + regulators {
> + buck1_reg: buck1 {
> + regulator-name = "VDD_CORE";
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <1000000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck2_reg: buck2 {
> + regulator-name = "VCC1V8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + buck3_reg: buck3 {
> + regulator-name = "VDD_LPDDR4";
> + regulator-min-microvolt = <1100000>;
> + regulator-max-microvolt = <1100000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo1_reg: ldo1 {
> + regulator-name = "VDDSHV_SD_IO_PMIC";
> + regulator-min-microvolt = <1000000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-allow-bypass;
> + };
> +
> + ldo2_reg: ldo2 {
> + regulator-name = "VDDAR_CORE";
> + regulator-min-microvolt = <850000>;
> + regulator-max-microvolt = <850000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo3_reg: ldo3 {
> + regulator-name = "VDDA_1V8";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> +
> + ldo4_reg: ldo4 {
> + regulator-name = "VDD_PHY_2V5";
> + regulator-min-microvolt = <2500000>;
> + regulator-max-microvolt = <2500000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> + };
> +};
> &main_i2c1 {
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c1_pins_default>;
> --
> 2.17.1
>
--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
