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Date: Thu, 26 Jan 2023 01:34:28 +0530
From: Rahul T R <r-ravikumar@...com>
To: Sinthu Raja <sinthu.raja@...tralsolutions.com>
CC: Nishanth Menon <nm@...com>, Tero Kristo <kristo@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Vignesh Raghavendra <vigneshr@...com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Sinthu Raja <sinthu.raja@...com>
Subject: Re: [PATCH V2 2/2] arm64: dts: ti: k3-am68-sk-base-board: Add pinmux
for RPi Header
On 17:33-20230124, Sinthu Raja wrote:
> From: Sinthu Raja <sinthu.raja@...com>
>
> Add pinmux required to bring out the i2c and gpios on 40-pin RPi
> expansion header on the AM68 SK board.
>
> Signed-off-by: Sinthu Raja <sinthu.raja@...com>
> ---
>
> No Changes in V2.
>
> .../boot/dts/ti/k3-am68-sk-base-board.dts | 70 ++++++++++++++++++-
> 1 file changed, 69 insertions(+), 1 deletion(-)
>
Tested-by: Rahul T R <r-ravikumar@...com>
> diff --git a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
> index 2091cd2431fb..722cd19b74e0 100644
> --- a/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts
> @@ -173,6 +173,32 @@ J721S2_IOPAD(0x0a0, PIN_INPUT, 0) /* (AB25) MCASP0_AXR12.MCAN7_RX */
> J721S2_IOPAD(0x09c, PIN_INPUT, 0) /* (T24) MCASP0_AXR11.MCAN7_TX */
> >;
> };
> +
> + main_i2c4_pins_default: main-i2c4-pins-default {
> + pinctrl-single,pins = <
> + J721S2_IOPAD(0x010, PIN_INPUT_PULLUP, 7) /* (AF28) MCAN13_RX.I2C4_SDA */
> + J721S2_IOPAD(0x014, PIN_INPUT_PULLUP, 7) /* (AD25) MCAN14_TX.I2C4_SCL */
> + >;
> + };
> +
> + rpi_header_gpio0_pins_default: rpi-header-gpio0-pins-default {
> + pinctrl-single,pins = <
> + J721S2_IOPAD(0x0a8, PIN_INPUT, 7) /* (U24) MCASP0_AXR14.GPIO0_42 */
> + J721S2_IOPAD(0x090, PIN_INPUT, 7) /* (W24) MCASP0_AXR8.GPIO0_36 */
> + J721S2_IOPAD(0x0bc, PIN_INPUT, 7) /* (V28) MCASP1_AFSX.GPIO0_47 */
> + J721S2_IOPAD(0x06c, PIN_INPUT, 7) /* (V26) MCAN1_TX.GPIO0_27 */
> + J721S2_IOPAD(0x004, PIN_INPUT, 7) /* (W25) MCAN12_TX.GPIO0_1 */
> + J721S2_IOPAD(0x008, PIN_INPUT, 7) /* (AC24) MCAN12_RX.GPIO0_2 */
> + J721S2_IOPAD(0x0b8, PIN_INPUT, 7) /* (AA24) MCASP1_ACLKX.GPIO0_46 */
> + J721S2_IOPAD(0x00c, PIN_INPUT, 7) /* (AE28) MCAN13_TX.GPIO0_3 */
> + J721S2_IOPAD(0x034, PIN_INPUT, 7) /* (AD24) PMIC_WAKE0.GPIO0_13 */
> + J721S2_IOPAD(0x0a4, PIN_INPUT, 7) /* (T23) MCASP0_AXR13.GPIO0_41 */
> + J721S2_IOPAD(0x0c0, PIN_INPUT, 7) /* (T28) MCASP1_AXR0.GPIO0_48 */
> + J721S2_IOPAD(0x0b4, PIN_INPUT, 7) /* (U25) MCASP1_AXR4.GPIO0_45 */
> + J721S2_IOPAD(0x0cc, PIN_INPUT, 7) /* (AE27) SPI0_CS0.GPIO0_51 */
> + J721S2_IOPAD(0x08c, PIN_INPUT, 7) /* (T25) MCASP0_AXR7.GPIO0_35 */
> + >;
> + };
> };
>
> &wkup_pmx0 {
> @@ -214,12 +240,39 @@ J721S2_WKUP_IOPAD(0x0d0, PIN_OUTPUT, 0) /* (C23) WKUP_GPIO0_4.MCU_MCAN1_TX*/
> >;
> };
>
> + mcu_i2c0_pins_default: mcu-i2c0-pins-default {
> + pinctrl-single,pins = <
> + J721S2_WKUP_IOPAD(0x100, PIN_INPUT, 0) /*(H24) WKUP_GPIO0_63.MCU_I2C0_SCL*/
> + J721S2_WKUP_IOPAD(0x104, PIN_INPUT, 0) /*(H27) WKUP_GPIO0_64.MCU_I2C0_SDA*/
> + >;
> + };
> +
> mcu_i2c1_pins_default: mcu-i2c1-pins-default {
> pinctrl-single,pins = <
> J721S2_WKUP_IOPAD(0x0e0, PIN_INPUT, 0) /* (F24) WKUP_GPIO0_8.MCU_I2C1_SCL */
> J721S2_WKUP_IOPAD(0x0e4, PIN_INPUT, 0) /* (H26) WKUP_GPIO0_9.MCU_I2C1_SDA */
> >;
> };
> +
> + mcu_rpi_header_gpio0_pins_default: mcu-rpi-header-gpio0-pins-default {
> + pinctrl-single,pins = <
> + J721S2_WKUP_IOPAD(0x180, PIN_INPUT, 7) /* (G25) WKUP_GPIO0_66 */
> + J721S2_WKUP_IOPAD(0x190, PIN_INPUT, 7) /* (K26) WKUP_GPIO0_49 */
> + J721S2_WKUP_IOPAD(0x0c4, PIN_INPUT, 7) /* (E24) MCU_SPI1_D0.WKUP_GPIO0_1 */
> + J721S2_WKUP_IOPAD(0x0c8, PIN_INPUT, 7) /* (C28) MCU_SPI1_D1.WKUP_GPIO0_2 */
> + J721S2_WKUP_IOPAD(0x0c0, PIN_INPUT, 7) /* (D26) MCU_SPI1_CLK.WKUP_GPIO0_0 */
> + J721S2_WKUP_IOPAD(0x0fc, PIN_INPUT, 7) /* (D25) MCU_SPI1_CS2.WKUP_GPIO0_15*/
> + J721S2_WKUP_IOPAD(0x120, PIN_INPUT, 7) /* (G27) WKUP_GPIO0_56 */
> + J721S2_WKUP_IOPAD(0x17c, PIN_INPUT, 7) /* (J26) WKUP_GPIO0_57 */
> + J721S2_WKUP_IOPAD(0x184, PIN_INPUT, 7) /* (J27) WKUP_GPIO0_67 */
> + J721S2_WKUP_IOPAD(0x0cc, PIN_INPUT, 7) /* (C27) MCU_SPI1_CS0.WKUP_GPIO0_3 */
> + >;
> + };
> +};
> +
> +&main_gpio0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&rpi_header_gpio0_pins_default>;
> };
>
> &main_gpio2 {
> @@ -235,7 +288,8 @@ &main_gpio6 {
> };
>
> &wkup_gpio0 {
> - status = "disabled";
> + pinctrl-names = "default";
> + pinctrl-0 = <&mcu_rpi_header_gpio0_pins_default>;
> };
>
> &wkup_gpio1 {
> @@ -273,6 +327,20 @@ exp1: gpio@21 {
> };
> };
>
> +&main_i2c4 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&main_i2c4_pins_default>;
> + clock-frequency = <400000>;
> +};
> +
> +&mcu_i2c0 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&mcu_i2c0_pins_default>;
> + clock-frequency = <400000>;
> +};
> +
> &main_sdhci0 {
> /* Unused */
> status = "disabled";
> --
> 2.36.1
>
>
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> linux-arm-kernel@...ts.infradead.org
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