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| author | Michal Simek <michal.simek@amd.com> | 2023-05-02 16:35:43 +0300 |
|---|---|---|
| committer | Michal Simek <michal.simek@amd.com> | 2023-05-16 15:50:14 +0300 |
| commit | c506fe31d7220b088abd9312867849bc2ecf3f51 (patch) | |
| tree | e78e4b41b7a250425af8c01fe1cc28be216ca5a1 /arch/arm64/boot/dts/xilinx | |
| parent | 56bb4ed4da7c38d1cdc2f11f8a66eb50ecac25a6 (diff) | |
| download | linux-c506fe31d7220b088abd9312867849bc2ecf3f51.tar.xz | |
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@amd.com>
Link: https://lore.kernel.org/r/f61c16e2fd7c91c2be6d6b67c902037580dbd364.1683034376.git.michal.simek@amd.com
Diffstat (limited to 'arch/arm64/boot/dts/xilinx')
| -rw-r--r-- | arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts | 20 |
1 files changed, 20 insertions, 0 deletions
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 583a2d533cef..dbc595c2d56b 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 @@ 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 */ @@ -182,6 +200,8 @@ &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>; |