linux-kernel - [PATCH] ARM: dts: at91: Configure SCL gpio of i2c2 node as open drain

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Date:   Fri, 15 May 2020 18:32:39 +0300
From:   Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
To:     <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <mturquette@...libre.com>, <sboyd@...nel.org>,
        <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <eugen.hristev@...rochip.com>,
        "Codrin Ciubotariu" <codrin.ciubotariu@...rochip.com>
Subject: [PATCH] ARM: dts: at91: Configure SCL gpio of i2c2 node as open drain

The SCL gpio pin of i2c2 node used for recovery needs to be configured as
open drain.

Fixes: 455fec938bbb ("ARM: dts: at91: sama5d2: add i2c gpio pinctrl")
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
---
 arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/at91-sama5d2_xplained.dts b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
index 5846720fc9dc..851b8587068b 100644
--- a/arch/arm/boot/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/boot/dts/at91-sama5d2_xplained.dts
@@ -344,7 +344,7 @@ i2c2: i2c@600 {
 					pinctrl-0 = <&pinctrl_flx0_default>;
 					pinctrl-1 = <&pinctrl_i2c2_gpio>;
 					sda-gpios = <&pioA PIN_PB28 GPIO_ACTIVE_HIGH>;
-					scl-gpios = <&pioA PIN_PB29 GPIO_ACTIVE_HIGH>;
+					scl-gpios = <&pioA PIN_PB29 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 					i2c-sda-hold-time-ns = <350>;
 					i2c-analog-filter;
 					i2c-digital-filter;
-- 
2.25.1