[PATCH v2 4/5] arm64: dts: k3-j721e-common-proc-board: Fully enable wkup_i2c0 use

Lokesh Vutla lokeshvutla at ti.com
Tue Jan 7 08:45:56 CET 2020


From: Andreas Dannenberg <dannenberg at ti.com>

Make the wkup_i2c0 module usable across all stages of U-Boot by adding
the needed definitions including the associated pinmux definitions.

Signed-off-by: Andreas Dannenberg <dannenberg at ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
 .../dts/k3-j721e-common-proc-board-u-boot.dtsi    |  8 ++++++++
 arch/arm/dts/k3-j721e-common-proc-board.dts       | 15 +++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
index 9291e57e25..e54b2a7e70 100644
--- a/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
+++ b/arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
@@ -311,3 +311,11 @@
 		reg-names = "gmii-sel";
 	};
 };
+
+&wkup_i2c0_pins_default {
+	u-boot,dm-spl;
+};
+
+&wkup_i2c0 {
+	u-boot,dm-spl;
+};
diff --git a/arch/arm/dts/k3-j721e-common-proc-board.dts b/arch/arm/dts/k3-j721e-common-proc-board.dts
index c978cabd13..f4366f9f87 100644
--- a/arch/arm/dts/k3-j721e-common-proc-board.dts
+++ b/arch/arm/dts/k3-j721e-common-proc-board.dts
@@ -77,3 +77,18 @@
 	voltage-ranges = <1800 1800 3300 3300>;
 	ti,driver-strength-ohm = <50>;
 };
+
+&wkup_pmx0 {
+	wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xf8, PIN_INPUT_PULLUP, 0) /* (J25) WKUP_I2C0_SCL */
+			J721E_WKUP_IOPAD(0xfc, PIN_INPUT_PULLUP, 0) /* (H24) WKUP_I2C0_SDA */
+		>;
+	};
+};
+
+&wkup_i2c0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_i2c0_pins_default>;
+	clock-frequency = <400000>;
+};
-- 
2.23.0



More information about the U-Boot mailing list