[PATCH v2 08/15] arm64: dts: freescale: imx93-phyboard-segin: Fix SD-card pinctrl
From: Primoz Fiser
Date: Tue Apr 15 2025 - 00:36:43 EST
Until now, all usdhc2 (SD-card) pinctrl labels pointed to one pinctrl
group "usdhc2grp" which was overwritten twice by the 100 and 200 MHz
modes. Fix this by using unique pinctrl names.
Additionally, adjust MX93_PAD_SD2_CLK__USDHC2_CLK pad drive-strength
according to values obtained by measurements from the PHYTEC hardware
department to improve signal integrity.
Signed-off-by: Primoz Fiser <primoz.fiser@xxxxxxxxx>
---
Changes in v2:
- reword commit msg
- split errata changes into separate patch
arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
index 3d5cd0561362..541297052b62 100644
--- a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
@@ -77,7 +77,7 @@ MX93_PAD_SD2_CD_B__GPIO3_IO00 0x31e
pinctrl_usdhc2_default: usdhc2grp {
fsl,pins = <
- MX93_PAD_SD2_CLK__USDHC2_CLK 0x179e
+ MX93_PAD_SD2_CLK__USDHC2_CLK 0x159e
MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x138e
MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x138e
@@ -87,9 +87,9 @@ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
>;
};
- pinctrl_usdhc2_100mhz: usdhc2grp {
+ pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
fsl,pins = <
- MX93_PAD_SD2_CLK__USDHC2_CLK 0x179e
+ MX93_PAD_SD2_CLK__USDHC2_CLK 0x159e
MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x138e
MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x138e
@@ -99,9 +99,9 @@ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
>;
};
- pinctrl_usdhc2_200mhz: usdhc2grp {
+ pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
fsl,pins = <
- MX93_PAD_SD2_CLK__USDHC2_CLK 0x178e
+ MX93_PAD_SD2_CLK__USDHC2_CLK 0x158e
MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x139e
MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x139e
--
2.34.1