Add support for TPS6594 PMIC family devices: - regulators (bucks and LDOs) on main WKUP_I2C0 bus, - watchdog on MCU_I2C0 bus.
Signed-off-by: Esteban Blanc eblanc@baylibre.com Signed-off-by: Jerome Neanne jneanne@baylibre.com --- .../k3-j721s2-common-proc-board-u-boot.dtsi | 29 +++++++++++- .../dts/k3-j721s2-r5-common-proc-board.dts | 44 +++++++++++++++++++ 2 files changed, 71 insertions(+), 2 deletions(-)
diff --git a/arch/arm/dts/k3-j721s2-common-proc-board-u-boot.dtsi b/arch/arm/dts/k3-j721s2-common-proc-board-u-boot.dtsi index 4fd6d36417..e249edeff4 100644 --- a/arch/arm/dts/k3-j721s2-common-proc-board-u-boot.dtsi +++ b/arch/arm/dts/k3-j721s2-common-proc-board-u-boot.dtsi @@ -21,8 +21,16 @@ }; };
-&wkup_i2c0 { - bootph-pre-ram; +&tps659411 { + compatible = "ti,tps659411"; +}; + +&tps659414 { + compatible = "ti,tps659411"; +}; + +&lp876411 { + compatible = "ti,lp876441"; };
&cbass_main { @@ -47,6 +55,17 @@ chipid@43000014 { bootph-pre-ram; }; + + mcu_i2c0: i2c@40b00000 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&mcu_i2c0_pins_default>; + + tps65941_wd: tps65941-wd@12 { + compatible = "ti,tps65941_watchdog"; + reg = <0x12>; + }; + }; };
&mcu_navss { @@ -101,6 +120,12 @@
&wkup_pmx0 { bootph-pre-ram; + mcu_i2c0_pins_default: mcu_i2c0_pins_default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x108, PIN_INPUT, 0) /* (G24) MCU_I2C0_SCL */ + J721S2_WKUP_IOPAD(0x10c, PIN_INPUT, 0) /* (J25) MCU_I2C0_SDA */ + >; + }; };
&k3_pds { diff --git a/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts b/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts index bc617022c1..a379b169d0 100644 --- a/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts +++ b/arch/arm/dts/k3-j721s2-r5-common-proc-board.dts @@ -21,6 +21,38 @@ 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; + }; + + vsys_5v0: fixedregulator-vsys5v0 { + /* Output of LM5140 */ + compatible = "regulator-fixed"; + regulator-name = "vsys_5v0"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&evm_12v0>; + regulator-always-on; + regulator-boot-on; + }; + fs_loader0: fs_loader@0 { compatible = "u-boot,fs-loader"; bootph-all; @@ -94,6 +126,13 @@ <&mcu_secproxy 23>; bootph-pre-ram; }; + + wkup_vtm0: vtm@42040000 { + compatible = "ti,am654-vtm", "ti,j721e-avs"; + reg = <0x0 0x42040000 0x0 0x330>; + power-domains = <&k3_pds 180 TI_SCI_PD_EXCLUSIVE>; + #thermal-sensor-cells = <1>; + }; };
&main_pmx0 { @@ -195,4 +234,9 @@ ti,sci = <&dm_tifs>; };
+&wkup_vtm0 { + vdd-supply-2 = <&bucka1234_reg>; + bootph-pre-ram; +}; + #include "k3-j721s2-common-proc-board-u-boot.dtsi"