| Message ID | 20210117183558.5369-1-nicolas.ferre@microchip.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | ARM: dts: at91-sama5d27_wlsom1: add i2c recovery | expand |
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>, >
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>,