[PATCH 11/18] DONOTMERGE: arm: dts: k3-j7200: Add TP6594 family PMICs

Apelete Seketeli aseketeli at baylibre.com
Fri May 12 15:17:38 CEST 2023


From: Jerome Neanne <jneanne at 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 <eblanc at baylibre.com>
Signed-off-by: Jerome Neanne <jneanne at baylibre.com>
Signed-off-by: Apelete Seketeli <aseketeli at 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 at 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 at 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 at 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 at 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



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