On 5/2/23 15:35, Michal Simek wrote:
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@xxxxxxx>
---
.../boot/dts/xilinx/zynqmp-sm-k26-revA.dts | 20 +++++++++++++++++++
1 file changed, 20 insertions(+)
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 c206021cccf7..e284979fd7b1 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 @@ &uart1 { /* MIO36/MIO37 */
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 */
@@ -189,6 +207,8 @@ partition@22A0000 {
&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>;
Applied.
M
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP/Versal ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal/Versal NET SoCs
TF-A maintainer - Xilinx ZynqMP/Versal/Versal NET SoCs
