[PATCH v2 09/12] arm64: dts: imx93-11x11-evk: add different usdhc pinctrl for different timing usage

From: Peng Fan (OSS)
Date: Thu Apr 18 2024 - 23:31:11 EST


From: Luke Wang <ziniu.wang_1@xxxxxxx>

imx93-11x11-evk dts use the strongest driver strength for
default(high-speed), 100MHz(SDR50/DDR50/DDR52) and
200MHz(SDR104/HS200/HS400) timing. To make usdhc working appropriately for
each timing, add X1 drive strength to default timing and X3 drive
strength to 100MHz timing.

Reviewed-by: Haibo Chen <haibo.chen@xxxxxxx>
Signed-off-by: Luke Wang <ziniu.wang_1@xxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 68 +++++++++++++++++++++--
1 file changed, 64 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index 2b67724db685..f848cb0922ef 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -161,8 +161,8 @@ &lpuart5 {
&usdhc1 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc1>;
- pinctrl-1 = <&pinctrl_usdhc1>;
- pinctrl-2 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
bus-width = <8>;
non-removable;
status = "okay";
@@ -171,8 +171,8 @@ &usdhc1 {
&usdhc2 {
pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
- pinctrl-1 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
- pinctrl-2 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+ pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
cd-gpios = <&gpio3 00 GPIO_ACTIVE_LOW>;
vmmc-supply = <&reg_usdhc2_vmmc>;
bus-width = <4>;
@@ -391,6 +391,40 @@ MX93_PAD_CCM_CLKO2__GPIO3_IO27 0x31e

/* need to config the SION for data and cmd pad, refer to ERR052021 */
pinctrl_usdhc1: usdhc1grp {
+ fsl,pins = <
+ MX93_PAD_SD1_CLK__USDHC1_CLK 0x1582
+ MX93_PAD_SD1_CMD__USDHC1_CMD 0x40001382
+ MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x40001382
+ MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x40001382
+ MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x40001382
+ MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x40001382
+ MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x40001382
+ MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x40001382
+ MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x40001382
+ MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x40001382
+ MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x1582
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+ fsl,pins = <
+ MX93_PAD_SD1_CLK__USDHC1_CLK 0x158e
+ MX93_PAD_SD1_CMD__USDHC1_CMD 0x4000138e
+ MX93_PAD_SD1_DATA0__USDHC1_DATA0 0x4000138e
+ MX93_PAD_SD1_DATA1__USDHC1_DATA1 0x4000138e
+ MX93_PAD_SD1_DATA2__USDHC1_DATA2 0x4000138e
+ MX93_PAD_SD1_DATA3__USDHC1_DATA3 0x4000138e
+ MX93_PAD_SD1_DATA4__USDHC1_DATA4 0x4000138e
+ MX93_PAD_SD1_DATA5__USDHC1_DATA5 0x4000138e
+ MX93_PAD_SD1_DATA6__USDHC1_DATA6 0x4000138e
+ MX93_PAD_SD1_DATA7__USDHC1_DATA7 0x4000138e
+ MX93_PAD_SD1_STROBE__USDHC1_STROBE 0x158e
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
fsl,pins = <
MX93_PAD_SD1_CLK__USDHC1_CLK 0x15fe
MX93_PAD_SD1_CMD__USDHC1_CMD 0x400013fe
@@ -420,6 +454,32 @@ MX93_PAD_SD2_CD_B__GPIO3_IO00 0x31e

/* need to config the SION for data and cmd pad, refer to ERR052021 */
pinctrl_usdhc2: usdhc2grp {
+ fsl,pins = <
+ MX93_PAD_SD2_CLK__USDHC2_CLK 0x1582
+ MX93_PAD_SD2_CMD__USDHC2_CMD 0x40001382
+ MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x40001382
+ MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x40001382
+ MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x40001382
+ MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x40001382
+ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+ fsl,pins = <
+ MX93_PAD_SD2_CLK__USDHC2_CLK 0x158e
+ MX93_PAD_SD2_CMD__USDHC2_CMD 0x4000138e
+ MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x4000138e
+ MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x4000138e
+ MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x4000138e
+ MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x4000138e
+ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
fsl,pins = <
MX93_PAD_SD2_CLK__USDHC2_CLK 0x15fe
MX93_PAD_SD2_CMD__USDHC2_CMD 0x400013fe

--
2.37.1