Add support for TPS6594 PMIC family devices: - regulators (bucks and LDOs) on 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-j7200-common-proc-board-u-boot.dtsi | 17 ++++++ .../arm/dts/k3-j7200-r5-common-proc-board.dts | 56 ++++++++----------- 2 files changed, 39 insertions(+), 34 deletions(-)
diff --git a/arch/arm/dts/k3-j7200-common-proc-board-u-boot.dtsi b/arch/arm/dts/k3-j7200-common-proc-board-u-boot.dtsi index f57c2306ba..a633f045a5 100644 --- a/arch/arm/dts/k3-j7200-common-proc-board-u-boot.dtsi +++ b/arch/arm/dts/k3-j7200-common-proc-board-u-boot.dtsi @@ -120,6 +120,15 @@
&wkup_i2c0 { bootph-pre-ram; + status = "okay"; +}; + +&mcu_i2c0 { + status="okay"; + tps65941_wd: tps65941_wd@12 { + compatible = "ti,tps65941_watchdog"; + reg = <0x12>; + }; };
&main_i2c0 { @@ -196,3 +205,11 @@ &main_r5fss0 { ti,cluster-mode = <0>; }; + +&tps659414 { + compatible = "ti,tps659411"; +}; + +&lp876441 { + compatible = "ti,lp876441"; +}; diff --git a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts index 55ad6153dd..aac776ee33 100644 --- a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts +++ b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts @@ -21,6 +21,27 @@ firmware-loader = &fs_loader0; };
+ 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 { bootph-all; compatible = "u-boot,fs-loader"; @@ -125,13 +146,6 @@ >; };
- wkup_i2c0_pins_default: wkup-i2c0-pins-default { - pinctrl-single,pins = < - J721E_WKUP_IOPAD(0x100, PIN_INPUT_PULLUP, 0) /* (F20) WKUP_I2C0_SCL */ - J721E_WKUP_IOPAD(0x104, PIN_INPUT_PULLUP, 0) /* (H21) WKUP_I2C0_SDA */ - >; - }; - mcu_fss0_hpb0_pins_default: mcu-fss0-hpb0-pins-default { pinctrl-single,pins = < J721E_WKUP_IOPAD(0x0, PIN_OUTPUT, 1) /* (E20) MCU_OSPI0_CLK.MCU_HYPERBUS0_CK */ @@ -246,34 +260,8 @@ ti,driver-strength-ohm = <50>; };
-&wkup_i2c0 { - bootph-pre-ram; - lp876441: lp876441@4c { - compatible = "ti,lp876441"; - reg = <0x4c>; - bootph-pre-ram; - pinctrl-names = "default"; - pinctrl-0 = <&wkup_i2c0_pins_default>; - clock-frequency = <400000>; - - regulators: regulators { - bootph-pre-ram; - buck1_reg: buck1 { - /*VDD_CPU_AVS_REG*/ - regulator-name = "buck1"; - regulator-min-microvolt = <800000>; - regulator-max-microvolt = <1250000>; - regulator-always-on; - regulator-boot-on; - bootph-pre-ram; - }; - }; - }; - -}; - &wkup_vtm0 { - vdd-supply-2 = <&buck1_reg>; + vdd-supply-2 = <&buckb1_reg>; bootph-pre-ram; };