[PATCH v1 3/6] mips: octeon: dts: Add I2C DT nodes

Stefan Roese sr at denx.de
Wed Jul 22 11:24:31 CEST 2020


Add I2C DT nodes to the Octeon dts / dtsi files.

Signed-off-by: Stefan Roese <sr at denx.de>
---

 arch/mips/dts/mrvl,cn73xx.dtsi        | 20 ++++++++++++++++++++
 arch/mips/dts/mrvl,octeon-ebb7304.dts | 10 ++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/mips/dts/mrvl,cn73xx.dtsi b/arch/mips/dts/mrvl,cn73xx.dtsi
index 8d32a49795..4c7b6e4160 100644
--- a/arch/mips/dts/mrvl,cn73xx.dtsi
+++ b/arch/mips/dts/mrvl,cn73xx.dtsi
@@ -86,5 +86,25 @@
 			reg-shift = <3>;
 			interrupts = <0x08040 4>;
 		};
+
+		i2c0: i2c at 1180000001000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "cavium,octeon-7890-twsi";
+			reg = <0x11800 0x00001000 0x0 0x200>;
+			/* INT_ST, INT_TS, INT_CORE */
+			interrupts = <0x0b000 1>, <0x0b001 1>, <0x0b002 1>;
+			clock-frequency = <100000>;
+		};
+
+		i2c1: i2c at 1180000001200 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "cavium,octeon-7890-twsi";
+			reg = <0x11800 0x00001200 0x0 0x200>;
+			/* INT_ST, INT_TS, INT_CORE */
+			interrupts = <0x0b100 1>, <0x0b101 1>, <0x0b102 1>;
+			clock-frequency = <100000>;
+		};
 	};
 };
diff --git a/arch/mips/dts/mrvl,octeon-ebb7304.dts b/arch/mips/dts/mrvl,octeon-ebb7304.dts
index 4e9c2de7d4..096e5c8f66 100644
--- a/arch/mips/dts/mrvl,octeon-ebb7304.dts
+++ b/arch/mips/dts/mrvl,octeon-ebb7304.dts
@@ -94,3 +94,13 @@
 &uart0 {
 	clock-frequency = <1200000000>;
 };
+
+&i2c0 {
+	u-boot,dm-pre-reloc;	/* Needed early for DDR SPD EEPROM */
+	clock-frequency = <100000>;
+};
+
+&i2c1 {
+	u-boot,dm-pre-reloc;	/* Needed early for DDR SPD EEPROM */
+	clock-frequency = <100000>;
+};
-- 
2.27.0



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