From: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Date: Wed, 24 Jul 2024 12:58:49 +0000 (+0200)
Subject: arm64: dts: freescale: imx93-tqma9352: improve pad configuration
X-Git-Tag: v6.12-rc1~188^2~21^2~101
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4167d9757c1cf8160a6c65887abae32fb5874f8;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: freescale: imx93-tqma9352: improve pad configuration

- disable PU/PD if already done with external resistors
- do not configure Schmitt Trigger for outputs
- do not configure DSE / FSEL for inputs

Signed-off-by: Markus Niebel <Markus.Niebel@ew.tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---

diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
index edbd8cad35bca..8993bd3058e95 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
@@ -162,55 +162,63 @@
 &iomuxc {
 	pinctrl_flexspi1: flexspi1grp {
 		fsl,pins = <
-			MX93_PAD_SD3_CMD__FLEXSPI1_A_SS0_B	0x3fe
-			MX93_PAD_SD3_CLK__FLEXSPI1_A_SCLK	0x3fe
-			MX93_PAD_SD3_DATA0__FLEXSPI1_A_DATA00	0x3fe
-			MX93_PAD_SD3_DATA1__FLEXSPI1_A_DATA01	0x3fe
-			MX93_PAD_SD3_DATA2__FLEXSPI1_A_DATA02	0x3fe
-			MX93_PAD_SD3_DATA3__FLEXSPI1_A_DATA03	0x3fe
+			/* FSEL 3  | DSE X6 */
+			MX93_PAD_SD3_CMD__FLEXSPI1_A_SS0_B	0x01fe
+			MX93_PAD_SD3_CLK__FLEXSPI1_A_SCLK	0x01fe
+			/* HYS | PU | FSEL 3  | DSE X6 */
+			MX93_PAD_SD3_DATA0__FLEXSPI1_A_DATA00	0x13fe
+			MX93_PAD_SD3_DATA1__FLEXSPI1_A_DATA01	0x13fe
+			/* HYS | FSEL 3  | DSE X6 (external PU) */
+			MX93_PAD_SD3_DATA2__FLEXSPI1_A_DATA02	0x11fe
+			MX93_PAD_SD3_DATA3__FLEXSPI1_A_DATA03	0x11fe
 		>;
 	};
 
 	pinctrl_lpi2c1: lpi2c1grp {
 		fsl,pins = <
-			MX93_PAD_I2C1_SCL__LPI2C1_SCL		0x40000b9e
-			MX93_PAD_I2C1_SDA__LPI2C1_SDA		0x40000b9e
+			/* SION | OD | FSEL 3 | DSE X4 */
+			MX93_PAD_I2C1_SCL__LPI2C1_SCL		0x4000199e
+			MX93_PAD_I2C1_SDA__LPI2C1_SDA		0x4000199e
 		>;
 	};
 
 	pinctrl_pca9451: pca9451grp {
 		fsl,pins = <
-			MX93_PAD_I2C2_SDA__GPIO1_IO03		0x1306
+			/* HYS | PU */
+			MX93_PAD_I2C2_SDA__GPIO1_IO03		0x1200
 		>;
 	};
 
 	pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
 		fsl,pins = <
-			MX93_PAD_SD2_RESET_B__GPIO3_IO07	0x1306
+			/* FSEL 2 | DSE X2 */
+			MX93_PAD_SD2_RESET_B__GPIO3_IO07	0x106
 		>;
 	};
 
 	pinctrl_usdhc1: usdhc1grp {
 		fsl,pins = <
-			/* HYS | PU | PD | FSEL_3 | X5 */
-			MX93_PAD_SD1_CLK__USDHC1_CLK		0x17be
-			MX93_PAD_SD1_STROBE__USDHC1_STROBE	0x17be
-			/* HYS | PU | FSEL_3 | X5 */
-			MX93_PAD_SD1_CMD__USDHC1_CMD		0x13be
-			/* HYS | PU | FSEL_3 | X4 */
-			MX93_PAD_SD1_DATA0__USDHC1_DATA0	0x139e
-			MX93_PAD_SD1_DATA1__USDHC1_DATA1	0x139e
-			MX93_PAD_SD1_DATA2__USDHC1_DATA2	0x139e
-			MX93_PAD_SD1_DATA3__USDHC1_DATA3	0x139e
-			MX93_PAD_SD1_DATA4__USDHC1_DATA4	0x139e
-			MX93_PAD_SD1_DATA5__USDHC1_DATA5	0x139e
-			MX93_PAD_SD1_DATA6__USDHC1_DATA6	0x139e
-			MX93_PAD_SD1_DATA7__USDHC1_DATA7	0x139e
+			/* PD | FSEL 3 | DSE X5 */
+			MX93_PAD_SD1_CLK__USDHC1_CLK		0x5be
+			/* HYS | FSEL 0 | no drive */
+			MX93_PAD_SD1_STROBE__USDHC1_STROBE	0x1000
+			/* HYS | FSEL 3 | X5 */
+			MX93_PAD_SD1_CMD__USDHC1_CMD		0x11be
+			/* HYS | FSEL 3 | X4 */
+			MX93_PAD_SD1_DATA0__USDHC1_DATA0	0x119e
+			MX93_PAD_SD1_DATA1__USDHC1_DATA1	0x119e
+			MX93_PAD_SD1_DATA2__USDHC1_DATA2	0x119e
+			MX93_PAD_SD1_DATA3__USDHC1_DATA3	0x119e
+			MX93_PAD_SD1_DATA4__USDHC1_DATA4	0x119e
+			MX93_PAD_SD1_DATA5__USDHC1_DATA5	0x119e
+			MX93_PAD_SD1_DATA6__USDHC1_DATA6	0x119e
+			MX93_PAD_SD1_DATA7__USDHC1_DATA7	0x119e
 		>;
 	};
 
 	pinctrl_wdog: wdoggrp {
 		fsl,pins = <
+			/* PU | FSEL 1 | DSE X4 */
 			MX93_PAD_WDOG_ANY__WDOG1_WDOG_ANY	0x31e
 		>;
 	};