linux-kernel - [PATCH] ARM: zynq: dts: Setting default i2c clock frequency to 400kHz

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Message-ID: <4dde5d1eb8e4572dae4295a19a4c83002a58e5da.1683035611.git.michal.simek@amd.com>
Date:   Tue, 2 May 2023 15:53:35 +0200
From:   Michal Simek <michal.simek@....com>
To:     <linux-kernel@...r.kernel.org>, <monstr@...str.eu>,
        <michal.simek@...inx.com>, <git@...inx.com>
CC:     Varalaxmi Bingi <varalaxmi.bingi@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH] ARM: zynq: dts: Setting default i2c clock frequency to 400kHz

From: Varalaxmi Bingi <varalaxmi.bingi@....com>

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

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

 arch/arm/boot/dts/zynq-7000.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index cd9931f6bcbd..a7db3f3009f2 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -149,6 +149,7 @@ i2c0: i2c@...04000 {
 			clocks = <&clkc 38>;
 			interrupt-parent = <&intc>;
 			interrupts = <0 25 4>;
+			clock-frequency = <400000>;
 			reg = <0xe0004000 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -160,6 +161,7 @@ i2c1: i2c@...05000 {
 			clocks = <&clkc 39>;
 			interrupt-parent = <&intc>;
 			interrupts = <0 48 4>;
+			clock-frequency = <400000>;
 			reg = <0xe0005000 0x1000>;
 			#address-cells = <1>;
 			#size-cells = <0>;
-- 
2.36.1