Re: [PATCH] arm64: dts: ti: k3-am68-sk-base-board: Update IO EXP GPIO lines for Rev E2

From: Nishanth Menon
Date: Wed Mar 15 2023 - 09:48:16 EST


On 17:39-20230315, Sinthu Raja wrote:
> From: Sinthu Raja <sinthu.raja@xxxxxx>
>
> Rev E2 of the AM68 SK baseboard has updated the GPIO IO expander pins
> functionality. To match the Rev E2 schematics, update existing IO expander
> GPIO line names and the corresponding node which uses the expansion(exp1)
> node.
>
> Signed-off-by: Sinthu Raja <sinthu.raja@xxxxxx>
> ---
>
> Schematics Ref: https://www.ti.com/lit/zip/sprr463

Looking at https://www.ti.com/tool/SK-AM68 looks like E1 never hit
production, is that correct?

Does this need a "Fixes" tag?

>
> arch/arm64/boot/dts/ti/k3-am68-sk-base-board.dts | 12 +++++-------
> 1 file changed, 5 insertions(+), 7 deletions(-)
>
> 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..27a43a8ecffd 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
> @@ -60,7 +60,7 @@ vdd_mmc1: regulator-sd {
> regulator-boot-on;
> enable-active-high;
> vin-supply = <&vsys_3v3>;
> - gpio = <&exp1 10 GPIO_ACTIVE_HIGH>;
> + gpio = <&exp1 8 GPIO_ACTIVE_HIGH>;
> };
>
> vdd_sd_dv: regulator-tlv71033 {
> @@ -264,12 +264,10 @@ exp1: gpio@21 {
> reg = <0x21>;
> gpio-controller;
> #gpio-cells = <2>;
> - gpio-line-names = "CSI_VIO_SEL", "CSI_SEL_FPC_EXPn", "HDMI_PDn",
> - "HDMI_LS_OE", "DP0_3V3 _EN", "BOARDID_EEPROM_WP",
> - "CAN_STB", " ", "GPIO_uSD_PWR_EN", "eDP_ENABLE",
> - "IO_EXP_PCIe1_M.2_RTSz", "IO_EXP_MCU_RGMII_RSTz",
> - "IO_EXP_CSI2_EXP_RSTz", " ", "CSI0_B_GPIO1",
> - "CSI1_B_GPIO1";
> + gpio-line-names = " ", " ", " ", " ", " ",
> + "BOARDID_EEPROM_WP", "CAN_STB", " ",
> + "GPIO_uSD_PWR_EN", " ", "IO_EXP_PCIe1_M.2_RTSz",
> + "IO_EXP_MCU_RGMII_RST#", " ", " ", " ", " ";
> };
> };
>
> --
> 2.36.1
>

--
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D