* [PATCH] ARM: dts: at91: Configure SCL gpio of i2c2 node as open drain
@ 2020-05-15 15:32 Codrin Ciubotariu
2020-05-15 15:39 ` Alexandre Belloni
0 siblings, 1 reply; 2+ messages in thread
From: Codrin Ciubotariu @ 2020-05-15 15:32 UTC (permalink / raw)
To: linux-clk, linux-arm-kernel, linux-kernel
Cc: alexandre.belloni, sboyd, mturquette, ludovic.desroches,
eugen.hristev, Codrin Ciubotariu
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@microchip.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
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ARM: dts: at91: Configure SCL gpio of i2c2 node as open drain
2020-05-15 15:32 [PATCH] ARM: dts: at91: Configure SCL gpio of i2c2 node as open drain Codrin Ciubotariu
@ 2020-05-15 15:39 ` Alexandre Belloni
0 siblings, 0 replies; 2+ messages in thread
From: Alexandre Belloni @ 2020-05-15 15:39 UTC (permalink / raw)
To: Codrin Ciubotariu
Cc: sboyd, mturquette, linux-kernel, ludovic.desroches,
eugen.hristev, linux-clk, linux-arm-kernel
On 15/05/2020 18:32:39+0300, Codrin Ciubotariu wrote:
> 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@microchip.com>
> ---
> arch/arm/boot/dts/at91-sama5d2_xplained.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
Squashed in the previous one, thanks.
> 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
>
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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2020-05-15 15:39 ` Alexandre Belloni
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