[PATCH 02/14] arm64: dts: freescale: imx93-tqma9352: improve pad configuration

Alexander Stein
2024-07-24T12:59:19Z

From: Markus Niebel <Markus.Niebel@ew.tq-group.com>

- 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>
---
.../boot/dts/freescale/imx93-tqma9352.dtsi | 56 +++++++++++--------
1 file changed, 32 insertions(+), 24 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
index 17ccf38ebd56..d07eca6526db 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352.dtsi
@@ -162,55 +162,63 @@ &wdog3 {
&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
>;
};
--
2.34.1