diff options
author | Kamel Bouhara <kamel.bouhara@bootlin.com> | 2020-02-25 18:50:10 +0300 |
---|---|---|
committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-03-10 00:13:12 +0300 |
commit | a4bd8da893a375165197df8315d69ec95aa7e51a (patch) | |
tree | cdb6ad562167cd9df5e31b8fb3ddb2bc2877200d /arch/arm/boot/dts/sama5d3.dtsi | |
parent | 761f6ed85417147cf02e65c37354c1d8ea767dd7 (diff) | |
download | linux-a4bd8da893a375165197df8315d69ec95aa7e51a.tar.xz |
ARM: dts: at91: sama5d3: add i2c gpio pinctrl
Add the i2c gpio pinctrls to support the i2c bus recovery
Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
[codrin.ciubotariu@microchip.com: removed gpio pull-ups]
Signed-off-by: Codrin Ciubotariu <codrin.ciubotariu@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/20200225155012.22764-2-codrin.ciubotariu@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'arch/arm/boot/dts/sama5d3.dtsi')
-rw-r--r-- | arch/arm/boot/dts/sama5d3.dtsi | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index 203d40be70a5..f11b018e9173 100644 --- a/arch/arm/boot/dts/sama5d3.dtsi +++ b/arch/arm/boot/dts/sama5d3.dtsi @@ -159,8 +159,11 @@ dmas = <&dma0 2 AT91_DMA_CFG_PER_ID(7)>, <&dma0 2 AT91_DMA_CFG_PER_ID(8)>; dma-names = "tx", "rx"; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c0>; + pinctrl-1 = <&pinctrl_i2c0_gpio>; + sda-gpios = <&pioA 30 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA 31 GPIO_ACTIVE_HIGH>; #address-cells = <1>; #size-cells = <0>; clocks = <&twi0_clk>; @@ -174,8 +177,11 @@ dmas = <&dma0 2 AT91_DMA_CFG_PER_ID(9)>, <&dma0 2 AT91_DMA_CFG_PER_ID(10)>; dma-names = "tx", "rx"; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1>; + pinctrl-1 = <&pinctrl_i2c1_gpio>; + sda-gpios = <&pioC 26 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioC 27 GPIO_ACTIVE_HIGH>; #address-cells = <1>; #size-cells = <0>; clocks = <&twi1_clk>; @@ -357,8 +363,11 @@ dmas = <&dma1 2 AT91_DMA_CFG_PER_ID(11)>, <&dma1 2 AT91_DMA_CFG_PER_ID(12)>; dma-names = "tx", "rx"; - pinctrl-names = "default"; + pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c2>; + pinctrl-1 = <&pinctrl_i2c2_gpio>; + sda-gpios = <&pioA 18 GPIO_ACTIVE_HIGH>; + scl-gpios = <&pioA 19 GPIO_ACTIVE_HIGH>; #address-cells = <1>; #size-cells = <0>; clocks = <&twi2_clk>; @@ -639,6 +648,12 @@ <AT91_PIOA 30 AT91_PERIPH_A AT91_PINCTRL_NONE /* PA30 periph A TWD0 pin, conflicts with URXD1, ISI_VSYNC */ AT91_PIOA 31 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA31 periph A TWCK0 pin, conflicts with UTXD1, ISI_HSYNC */ }; + + pinctrl_i2c0_gpio: i2c0-gpio { + atmel,pins = + <AT91_PIOA 30 AT91_PERIPH_GPIO AT91_PINCTRL_NONE + AT91_PIOA 31 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; }; i2c1 { @@ -647,6 +662,12 @@ <AT91_PIOC 26 AT91_PERIPH_B AT91_PINCTRL_NONE /* PC26 periph B TWD1 pin, conflicts with SPI1_NPCS1, ISI_D11 */ AT91_PIOC 27 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC27 periph B TWCK1 pin, conflicts with SPI1_NPCS2, ISI_D10 */ }; + + pinctrl_i2c1_gpio: i2c1-gpio { + atmel,pins = + <AT91_PIOC 26 AT91_PERIPH_GPIO AT91_PINCTRL_NONE + AT91_PIOC 27 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; }; i2c2 { @@ -655,6 +676,12 @@ <AT91_PIOA 18 AT91_PERIPH_B AT91_PINCTRL_NONE /* TWD2 pin, conflicts with LCDDAT18, ISI_D2 */ AT91_PIOA 19 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* TWCK2 pin, conflicts with LCDDAT19, ISI_D3 */ }; + + pinctrl_i2c2_gpio: i2c2-gpio { + atmel,pins = + <AT91_PIOA 18 AT91_PERIPH_GPIO AT91_PINCTRL_NONE + AT91_PIOA 19 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>; + }; }; isi { |