Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
+20
+20
arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
+20
arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
···
14
14
#include <dt-bindings/input/input.h>
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/phy/phy.h>
17
+
#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
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18
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/ {
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model = "ZynqMP SM-K26 Rev1/B/A";
···
84
83
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&uart1 { /* MIO36/MIO37 */
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status = "okay";
86
+
};
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+
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+
&pinctrl0 {
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status = "okay";
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+
pinctrl_sdhci0_default: sdhci0-default {
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conf {
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groups = "sdio0_0_grp";
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slew-rate = <SLEW_RATE_SLOW>;
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+
power-source = <IO_STANDARD_LVCMOS18>;
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+
bias-disable;
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+
};
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+
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mux {
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groups = "sdio0_0_grp";
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function = "sdio0";
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+
};
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+
};
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};
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104
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&qspi { /* MIO 0-5 - U143 */
···
200
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&sdhci0 { /* MIO13-23 - 16GB emmc MTFC16GAPALBH-IT - U133A */
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status = "okay";
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+
pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_sdhci0_default>;
203
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non-removable;
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disable-wp;
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bus-width = <8>;