Add support for TPS6594 PMIC devices : - regulators (bucks and LDOs) on WKUP_I2C0 bus, - watchdog on MCU_I2C0 bus.
Signed-off-by: Apelete Seketeli aseketeli@baylibre.com --- arch/arm/dts/k3-j784s4-r5-evm.dts | 134 ++++++++++++++++++++++++++++++ 1 file changed, 134 insertions(+)
diff --git a/arch/arm/dts/k3-j784s4-r5-evm.dts b/arch/arm/dts/k3-j784s4-r5-evm.dts index 7350a9be34..27b91100af 100644 --- a/arch/arm/dts/k3-j784s4-r5-evm.dts +++ b/arch/arm/dts/k3-j784s4-r5-evm.dts @@ -22,6 +22,27 @@ remoteproc1 = &a72_0; };
+ evm_12v0: fixedregulator-evm12v0 { + /* main supply */ + compatible = "regulator-fixed"; + regulator-name = "evm_12v0"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-always-on; + regulator-boot-on; + }; + + vsys_3v3: fixedregulator-vsys3v3 { + /* Output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&evm_12v0>; + regulator-always-on; + regulator-boot-on; + }; + fs_loader0: fs_loader@0 { compatible = "u-boot,fs-loader"; u-boot,dm-pre-reloc; @@ -97,6 +118,105 @@ }; };
+&wkup_gpio0 { + status = "okay"; +}; + +&wkup_i2c0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&wkup_i2c0_pins_default>; + clock-frequency = <400000>; + tps659413: pmic@48 { + compatible = "ti,tps65941-q1"; + reg = <0x48>; + system-power-controller; + pinctrl-names = "default"; + pinctrl-0 = <&pmic_irq_pins_default>; + interrupt-parent = <&wkup_gpio0>; + interrupts = <39 IRQ_TYPE_EDGE_FALLING>; + ti,primary-pmic; + + gpio-controller; + #gpio-cells = <2>; + + buck12-supply = <&vsys_3v3>; + buck3-supply = <&vsys_3v3>; + buck4-supply = <&vsys_3v3>; + buck5-supply = <&vsys_3v3>; + ldo1-supply = <&vsys_3v3>; + ldo2-supply = <&vsys_3v3>; + ldo3-supply = <&vsys_3v3>; + ldo4-supply = <&vsys_3v3>; + + regulators { + bucka12: buck12 { + regulator-name = "vdd_ddr_1v1"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-boot-on; + regulator-always-on; + }; + + bucka3: buck3 { + regulator-name = "vdd_ram_0v85"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; + regulator-boot-on; + regulator-always-on; + }; + + bucka4: buck4 { + regulator-name = "vdd_io_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + bucka5: buck5 { + regulator-name = "vdd_mcu_0v85"; + regulator-min-microvolt = <850000>; + regulator-max-microvolt = <850000>; + regulator-boot-on; + regulator-always-on; + }; + + ldoa1: ldo1 { + regulator-name = "vdd_mcuio_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + + ldoa2: ldo2 { + regulator-name = "vdd_mcuio_3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + ldoa3: ldo3 { + regulator-name = "vds_dll_0v8"; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <800000>; + regulator-boot-on; + regulator-always-on; + }; + + ldoa4: ldo4 { + regulator-name = "vda_mcu_1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; +}; + &main_pmx0 { u-boot,dm-spl;
@@ -144,6 +264,20 @@ J784S4_WKUP_IOPAD(0x0b4, PIN_OUTPUT, 0) /* (K34) WKUP_UART0_TXD */ >; }; + + wkup_i2c0_pins_default: wkup_i2c0_pins_default { + pinctrl-single,pins = < + J784S4_WKUP_IOPAD(0x100, PIN_INPUT, 0) /* (N33) WKUP_I2C0_SCL */ + J784S4_WKUP_IOPAD(0x104, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */ + >; + }; + + pmic_irq_pins_default: pmic-irq-pins-default { + pinctrl-single,pins = < + /* (G33) MCU_OSPI1_CSn1.WKUP_GPIO0_39 */ + J784S4_WKUP_IOPAD(0x060, PIN_INPUT, 7) + >; + }; };
&sms {