[PATCH] arm64: zynqmp: Setting default i2c clock frequency to 400kHz

Michal Simek michal.simek at amd.com
Thu Jun 8 05:36:10 PDT 2023


From: Varalaxmi Bingi <varalaxmi.bingi at amd.com>

Setting default i2c clock frequency for ZynqMP to maximum rate of 400kHz.
Current default value is 100kHz.

Signed-off-by: Varalaxmi Bingi <varalaxmi.bingi at amd.com>
Signed-off-by: Michal Simek <michal.simek at amd.com>
---

 arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 394db49ac6cb..675b88190845 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -648,6 +648,7 @@ i2c0: i2c at ff020000 {
 			status = "disabled";
 			interrupt-parent = <&gic>;
 			interrupts = <0 17 4>;
+			clock-frequency = <400000>;
 			reg = <0x0 0xff020000 0x0 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -659,6 +660,7 @@ i2c1: i2c at ff030000 {
 			status = "disabled";
 			interrupt-parent = <&gic>;
 			interrupts = <0 18 4>;
+			clock-frequency = <400000>;
 			reg = <0x0 0xff030000 0x0 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-- 
2.36.1




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