Messages in this thread | | | Subject | Re: [PATCH] ARM: dts: at91-sama5d27_wlsom1: add i2c recovery | From | Nicolas Ferre <> | Date | Thu, 21 Jan 2021 15:27:14 +0100 |
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On 17/01/2021 at 19:35, nicolas.ferre@microchip.com wrote: > From: Nicolas Ferre <nicolas.ferre@microchip.com> > > Add the i2c gpio pinctrls to support the i2c bus recovery on this board. > > Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com> > Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
added to at91-dt.
Regards, Nicolas
> --- > arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi | 22 +++++++++++++++++++-- > 1 file changed, 20 insertions(+), 2 deletions(-) > > diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi > index a06700e53e4c..025a78310e3a 100644 > --- a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi > +++ b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi > @@ -43,14 +43,20 @@ uart6: serial@200 { > > &i2c0 { > pinctrl-0 = <&pinctrl_i2c0_default>; > - pinctrl-names = "default"; > + pinctrl-1 = <&pinctrl_i2c0_gpio>; > + pinctrl-names = "default", "gpio"; > + sda-gpios = <&pioA PIN_PD21 GPIO_ACTIVE_HIGH>; > + scl-gpios = <&pioA PIN_PD22 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; > status = "okay"; > }; > > &i2c1 { > dmas = <0>, <0>; > - pinctrl-names = "default"; > + pinctrl-names = "default", "gpio"; > pinctrl-0 = <&pinctrl_i2c1_default>; > + pinctrl-1 = <&pinctrl_i2c1_gpio>; > + sda-gpios = <&pioA PIN_PD19 GPIO_ACTIVE_HIGH>; > + scl-gpios = <&pioA PIN_PD20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; > status = "okay"; > > mcp16502@5b { > @@ -258,12 +264,24 @@ pinctrl_i2c0_default: i2c0_default { > bias-disable; > }; > > + pinctrl_i2c0_gpio: i2c0_gpio { > + pinmux = <PIN_PD21__GPIO>, > + <PIN_PD22__GPIO>; > + bias-disable; > + }; > + > pinctrl_i2c1_default: i2c1_default { > pinmux = <PIN_PD19__TWD1>, > <PIN_PD20__TWCK1>; > bias-disable; > }; > > + pinctrl_i2c1_gpio: i2c1_gpio { > + pinmux = <PIN_PD19__GPIO>, > + <PIN_PD20__GPIO>; > + bias-disable; > + }; > + > pinctrl_macb0_default: macb0_default { > pinmux = <PIN_PB14__GTXCK>, > <PIN_PB15__GTXEN>, >
-- Nicolas Ferre
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