From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v2 4/6] ARM: at91/dt: sama5d3: add i2c gpio pinctrl Date: Fri, 3 Jan 2020 09:49:08 +0000 Message-ID: <20200103094821.13185-5-codrin.ciubotariu@microchip.com> References: <20200103094821.13185-1-codrin.ciubotariu@microchip.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20200103094821.13185-1-codrin.ciubotariu@microchip.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: robh@kernel.org, alexandre.belloni@bootlin.com, kamel.bouhara@bootlin.com, wsa@the-dreams.de, Ludovic.Desroches@microchip.com List-Id: linux-i2c@vger.kernel.org From: Kamel Bouhara Add the i2c gpio pinctrls to support the i2c bus recovery Signed-off-by: Kamel Bouhara --- Changes in v2: - none; arch/arm/boot/dts/sama5d3.dtsi | 33 ++++++++++++++++++++++++++++++--- 1 file changed, 30 insertions(+), 3 deletions(-) diff --git a/arch/arm/boot/dts/sama5d3.dtsi b/arch/arm/boot/dts/sama5d3.dtsi index f770aace0efd..faf8907d8d7d 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 @@ ; /* PA31 periph A TWCK0 pin, conflicts with UTXD1, ISI_HSYNC */ }; + + pinctrl_i2c0_gpio: i2c0-gpio { + atmel,pins = + ; + }; }; i2c1 { @@ -647,6 +662,12 @@ ; /* PC27 periph B TWCK1 pin, conflicts with SPI1_NPCS2, ISI_D10 */ }; + + pinctrl_i2c1_gpio: i2c1-gpio { + atmel,pins = + ; + }; }; i2c2 { @@ -655,6 +676,12 @@ ; /* TWCK2 pin, conflicts with LCDDAT19, ISI_D3 */ }; + + pinctrl_i2c2_gpio: i2c2-gpio { + atmel,pins = + ; + }; }; isi { -- 2.20.1