diff options
| author | Michal Simek <michal.simek@xilinx.com> | 2022-03-14 15:26:11 +0100 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2022-03-16 16:14:34 +0100 |
| commit | 0ac03fbab51c72fa978569a831c001c4ddad8e2a (patch) | |
| tree | ff218f885af7ee87eb1353954ee4d99c7bedeb3f /arch | |
| parent | e5d8d08981aff1d191f46b3f4432b9f356c80256 (diff) | |
| download | u-boot-0ac03fbab51c72fa978569a831c001c4ddad8e2a.zip u-boot-0ac03fbab51c72fa978569a831c001c4ddad8e2a.tar.gz u-boot-0ac03fbab51c72fa978569a831c001c4ddad8e2a.tar.bz2 | |
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 <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/3545a0f08d342de98efc82b78f5725eda091555a.1647267969.git.michal.simek@xilinx.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/dts/zynqmp-sm-k26-revA.dts | 20 |
1 files changed, 20 insertions, 0 deletions
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 <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"; @@ -92,6 +93,23 @@ 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"; 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>; |