From: Jerome Neanne <jnea...@baylibre.com>
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 <ebl...@baylibre.com>
Signed-off-by: Jerome Neanne <jnea...@baylibre.com>
Signed-off-by: Apelete Seketeli <aseket...@baylibre.com>
---
.../k3-j7200-common-proc-board-u-boot.dtsi | 27 +++++++++
.../arm/dts/k3-j7200-r5-common-proc-board.dts | 56 ++++++++-----------
2 files changed, 49 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..5088f918e8 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: watchdog@12 {
+ compatible = "ti,tps65941_watchdog";
+ reg = <0x12>;
+ };
};
&main_i2c0 {
@@ -196,3 +205,21 @@
&main_r5fss0 {
ti,cluster-mode = <0>;
};
+
+&wkup_i2c0 {
+ bootph-pre-ram;
+ lp876441: pmic@4c {
+ bootph-pre-ram;
+ compatible = "ti,lp876441";
+ regulators {
+ bootph-pre-ram;
+ buckb1: buck1 {
+ bootph-pre-ram;
+ };
+ };
+ };
+};
+
+&tps659414 {
+ compatible = "ti,tps659411";
+};
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 e62f9218e8..1318edf9af 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";
@@ -126,13 +147,6 @@
>;
};
- 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 */
@@ -247,35 +261,9 @@
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>;
bootph-pre-ram;
+ vdd-supply-2 = <&buckb1>;
};
&main_i2c0 {
--
2.34.1
