Re: [PATCH 15/23] arm64: zynqmp: Add pinctrl emmc description to SM-K26

Michal Simek
2023-05-16T11:10:55Z

On 5/2/23 15:35, Michal Simek wrote:
> Production SOM has emmc on it and make sense to describe pin description to
> be able use EMMC if it is not configured via psu_init.
> (Still some regs are not handled but this is one step in that direction)
>
> Signed-off-by: Michal Simek <michal.simek@amd.com>
> ---
>
> .../boot/dts/xilinx/zynqmp-sm-k26-revA.dts | 20 +++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> index c206021cccf7..e284979fd7b1 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
> @@ -14,6 +14,7 @@
> #include <dt-bindings/input/input.h>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/phy/phy.h>
> +#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
>
> / {
> model = "ZynqMP SM-K26 Rev1/B/A";
> @@ -85,6 +86,23 @@ &uart1 { /* MIO36/MIO37 */
> status = "okay";
> };
>
> +&pinctrl0 {
> + status = "okay";
> + pinctrl_sdhci0_default: sdhci0-default {
> + conf {
> + groups = "sdio0_0_grp";
> + slew-rate = <SLEW_RATE_SLOW>;
> + power-source = <IO_STANDARD_LVCMOS18>;
> + bias-disable;
> + };
> +
> + mux {
> + groups = "sdio0_0_grp";
> + function = "sdio0";
> + };
> + };
> +};
> +
> &qspi { /* MIO 0-5 - U143 */
> status = "okay";
> spi_flash: flash@0 { /* MT25QU512A */
> @@ -189,6 +207,8 @@ partition@22A0000 {
>
> &sdhci0 { /* MIO13-23 - 16GB emmc MTFC16GAPALBH-IT - U133A */
> status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sdhci0_default>;
> non-removable;
> disable-wp;
> bus-width = <8>;

Applied.
M

--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP/Versal ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal/Versal NET SoCs
TF-A maintainer - Xilinx ZynqMP/Versal/Versal NET SoCs