linux-kernel - [PATCH 7/7] arm64: dts: st: add i2c2 / i2c8 properties on stm32mp257f-ev1

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Message-ID: <20231129125920.1702497-8-alain.volmat@foss.st.com>
Date:   Wed, 29 Nov 2023 13:59:16 +0100
From:   Alain Volmat <alain.volmat@...s.st.com>
To:     Andi Shyti <andi.shyti@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Pierre-Yves MORDRET <pierre-yves.mordret@...s.st.com>,
        Alain Volmat <alain.volmat@...s.st.com>
CC:     <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 7/7] arm64: dts: st: add i2c2 / i2c8 properties on stm32mp257f-ev1

Add properties for i2c2 and i2c8 available on the stm32mp257f-ev1.
i2c2 is enabled since several devices are attached to it while
i2c8 is kept disabled since only used via the gpio expansion connector.

Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index b2d3afb15758..0ea8e69bfb3d 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -55,6 +55,26 @@ &arm_wdt {
 	status = "okay";
 };
 
+&i2c2 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c2_pins_a>;
+	pinctrl-1 = <&i2c2_sleep_pins_a>;
+	i2c-scl-rising-time-ns = <100>;
+	i2c-scl-falling-time-ns = <13>;
+	clock-frequency = <400000>;
+	status = "okay";
+};
+
+&i2c8 {
+	pinctrl-names = "default", "sleep";
+	pinctrl-0 = <&i2c8_pins_a>;
+	pinctrl-1 = <&i2c8_sleep_pins_a>;
+	i2c-scl-rising-time-ns = <57>;
+	i2c-scl-falling-time-ns = <7>;
+	clock-frequency = <400000>;
+	status = "disabled";
+};
+
 &sdmmc1 {
 	pinctrl-names = "default", "opendrain", "sleep";
 	pinctrl-0 = <&sdmmc1_b4_pins_a>;
-- 
2.25.1