From: Haibo Chen <haibo.chen@nxp.com>
Date: Mon, 24 Jul 2023 07:58:32 +0000 (+0800)
Subject: arm64: dts: imx8ulp-evk: add 100MHz/200MHz pinctrl setting for eMMC
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7adf8410cb0f7f1559baa270c89c2e94b44888ab;p=linux.git

arm64: dts: imx8ulp-evk: add 100MHz/200MHz pinctrl setting for eMMC

Add 100MHz and 200MHz pinctrl setting for eMMC, and enable 8 bit bus mode
to config the eMMC work at HS400ES mode.

Also update to use Standard Drive Strength for USDHC pad to get a better
signal quality per Hardware team suggests.

Reviewed-by: Sherry Sun <sherry.sun@nxp.com>
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
index f841b722597e5..1314383caf766 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8ulp-evk.dts
@@ -119,9 +119,11 @@
 };
 
 &usdhc0 {
-	pinctrl-names = "default", "sleep";
+	pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
 	pinctrl-0 = <&pinctrl_usdhc0>;
 	pinctrl-1 = <&pinctrl_usdhc0>;
+	pinctrl-2 = <&pinctrl_usdhc0>;
+	pinctrl-3 = <&pinctrl_usdhc0>;
 	non-removable;
 	bus-width = <8>;
 	status = "okay";
@@ -200,17 +202,17 @@
 
 	pinctrl_usdhc0: usdhc0grp {
 		fsl,pins = <
-			MX8ULP_PAD_PTD1__SDHC0_CMD	0x43
-			MX8ULP_PAD_PTD2__SDHC0_CLK	0x10042
-			MX8ULP_PAD_PTD10__SDHC0_D0	0x43
-			MX8ULP_PAD_PTD9__SDHC0_D1	0x43
-			MX8ULP_PAD_PTD8__SDHC0_D2	0x43
-			MX8ULP_PAD_PTD7__SDHC0_D3	0x43
-			MX8ULP_PAD_PTD6__SDHC0_D4	0x43
-			MX8ULP_PAD_PTD5__SDHC0_D5	0x43
-			MX8ULP_PAD_PTD4__SDHC0_D6	0x43
-			MX8ULP_PAD_PTD3__SDHC0_D7	0x43
-			MX8ULP_PAD_PTD11__SDHC0_DQS	0x10042
+			MX8ULP_PAD_PTD1__SDHC0_CMD	0x3
+			MX8ULP_PAD_PTD2__SDHC0_CLK	0x10002
+			MX8ULP_PAD_PTD10__SDHC0_D0	0x3
+			MX8ULP_PAD_PTD9__SDHC0_D1	0x3
+			MX8ULP_PAD_PTD8__SDHC0_D2	0x3
+			MX8ULP_PAD_PTD7__SDHC0_D3	0x3
+			MX8ULP_PAD_PTD6__SDHC0_D4	0x3
+			MX8ULP_PAD_PTD5__SDHC0_D5	0x3
+			MX8ULP_PAD_PTD4__SDHC0_D6	0x3
+			MX8ULP_PAD_PTD3__SDHC0_D7	0x3
+			MX8ULP_PAD_PTD11__SDHC0_DQS	0x10002
 		>;
 	};
 };