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arm64: zynqmp: Add pinctrl emmc description to SM-K26

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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
This commit is contained in:
Michal Simek 2022-03-14 15:26:11 +01:00
parent e5d8d08981
commit 0ac03fbab5
1 changed files with 20 additions and 0 deletions
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20
arch/arm/dts/zynqmp-sm-k26-revA.dts
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@ -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>;