From 0ac03fbab51c72fa978569a831c001c4ddad8e2a Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Mon, 14 Mar 2022 15:26:11 +0100 Subject: [PATCH] arm64: zynqmp: Add pinctrl emmc description to SM-K26 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 Link: https://lore.kernel.org/r/3545a0f08d342de98efc82b78f5725eda091555a.1647267969.git.michal.simek@xilinx.com --- arch/arm/dts/zynqmp-sm-k26-revA.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/dts/zynqmp-sm-k26-revA.dts b/arch/arm/dts/zynqmp-sm-k26-revA.dts index d242f87..14ab316 100644 --- a/arch/arm/dts/zynqmp-sm-k26-revA.dts +++ b/arch/arm/dts/zynqmp-sm-k26-revA.dts @@ -14,6 +14,7 @@ #include #include #include +#include / { model = "ZynqMP SM-K26 Rev1/B/A"; @@ -92,6 +93,23 @@ status = "okay"; }; +&pinctrl0 { + status = "okay"; + pinctrl_sdhci0_default: sdhci0-default { + conf { + groups = "sdio0_0_grp"; + slew-rate = ; + power-source = ; + bias-disable; + }; + + mux { + groups = "sdio0_0_grp"; + function = "sdio0"; + }; + }; +}; + &qspi { /* MIO 0-5 - U143 */ status = "okay"; flash@0 { /* MT25QU512A */ @@ -185,6 +203,8 @@ &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>; -- 2.7.4