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arm64: dts: ti: k3-am68-sk-base-board: Add LP8733 and TPS6287 nodes

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Add DTS node for LP87334E PMIC and two TPS6287x high current buck
converters.

LP87334E is responsible for supplying power to the MCU and MAIN domains
as well as to LPDDR4. The two TPS6287x supply power to the MAIN
domain for AVS and other core supplies.

Signed-off-by: Neha Malcom Francis <n-francis@ti.com>
Link: https://www.ti.com/lit/pdf/slda060
Link: https://lore.kernel.org/r/20240528040159.3919652-2-n-francis@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Neha Malcom Francis 2024-05-28 09:31:57 +05:30 committed by Vignesh Raghavendra
parent bed97e94ee
commit 1149215a44
1 changed files with 76 additions and 0 deletions
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76
arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
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@ -414,6 +414,82 @@ &wkup_uart0 {
pinctrl-0 = <&wkup_uart0_pins_default>;
};
&wkup_i2c0 {
bootph-all;
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&wkup_i2c0_pins_default>;
status = "okay";
lp8733: pmic@60 {
compatible = "ti,lp8733";
reg = <0x60>;
buck0-in-supply = <&vsys_3v3>;
buck1-in-supply = <&vsys_3v3>;
ldo0-in-supply = <&vsys_3v3>;
ldo1-in-supply = <&vsys_3v3>;
lp8733_regulators: regulators {
lp8733_buck0_reg: buck0 {
/* FB_B0 -> LP8733-BUCK1 - VDD_MCU_0V85 */
regulator-name = "lp8733-buck0";
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <850000>;
regulator-always-on;
regulator-boot-on;
};
lp8733_buck1_reg: buck1 {
/* FB_B1 -> LP8733-BUCK2 - VDD_DDR_1V1 */
regulator-name = "lp8733-buck1";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
regulator-boot-on;
};
lp8733_ldo0_reg: ldo0 {
/* LDO0 -> LP8733-LDO1 - VDA_DLL_0V8 */
regulator-name = "lp8733-ldo0";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
regulator-boot-on;
regulator-always-on;
};
lp8733_ldo1_reg: ldo1 {
/* LDO1 -> LP8733-LDO2 - VDA_LN_1V8 */
regulator-name = "lp8733-ldo1";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
};
};
tps62873a: regulator@40 {
compatible = "ti,tps62873";
reg = <0x40>;
bootph-pre-ram;
regulator-name = "VDD_CPU_AVS";
regulator-min-microvolt = <600000>;
regulator-max-microvolt = <900000>;
regulator-boot-on;
regulator-always-on;
};
tps62873b: regulator@43 {
compatible = "ti,tps62873";
reg = <0x43>;
regulator-name = "VDD_CORE_0V8";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <800000>;
regulator-boot-on;
regulator-always-on;
};
};
&mcu_uart0 {
status = "okay";
pinctrl-names = "default";