[PATCH v2 03/14] arm64: dts: freescale: imx93-tqma9352-mba93xxla: improve pad configuration

From: Alexander Stein
Date: Mon Aug 19 2024 - 08:04:31 EST

From: Markus Niebel <Markus.Niebel@xxxxxxxxxxxxxxx>

- 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@xxxxxxxxxxxxxxx>
Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
.../freescale/imx93-tqma9352-mba93xxla.dts | 170 ++++++++++--------
1 file changed, 97 insertions(+), 73 deletions(-)

diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
index 6bca1187b2a98..bbe0fcf97b2a5 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
@@ -512,22 +512,23 @@ &iomuxc {
pinctrl_eqos: eqosgrp {
fsl,pins = <
/* PD | FSEL_2 | DSE X4 */
- MX93_PAD_ENET1_MDC__ENET_QOS_MDC 0x51e
- MX93_PAD_ENET1_MDIO__ENET_QOS_MDIO 0x4000051e
- /* PD | FSEL_2 | DSE X6 */
- MX93_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0 0x57e
- MX93_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1 0x57e
- MX93_PAD_ENET1_RD2__ENET_QOS_RGMII_RD2 0x57e
- MX93_PAD_ENET1_RD3__ENET_QOS_RGMII_RD3 0x57e
- /* PD | FSEL_3 | DSE X6 */
- MX93_PAD_ENET1_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK 0x5fe
- MX93_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x57e
+ MX93_PAD_ENET1_MDC__ENET_QOS_MDC 0x51e
+ /* SION | HYS | FSEL_2 | DSE X4 */
+ MX93_PAD_ENET1_MDIO__ENET_QOS_MDIO 0x4000111e
+ /* HYS | FSEL_0 | DSE no drive */
+ MX93_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0 0x1000
+ MX93_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1 0x1000
+ MX93_PAD_ENET1_RD2__ENET_QOS_RGMII_RD2 0x1000
+ MX93_PAD_ENET1_RD3__ENET_QOS_RGMII_RD3 0x1000
+ MX93_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL 0x1000
+ /* HYS | PD | FSEL_0 | DSE no drive */
+ MX93_PAD_ENET1_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK 0x1400
/* PD | FSEL_2 | DSE X4 */
- MX93_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0 0x51e
- MX93_PAD_ENET1_TD1__ENET_QOS_RGMII_TD1 0x51e
- MX93_PAD_ENET1_TD2__ENET_QOS_RGMII_TD2 0x51e
- MX93_PAD_ENET1_TD3__ENET_QOS_RGMII_TD3 0x51e
- MX93_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x51e
+ MX93_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0 0x51e
+ MX93_PAD_ENET1_TD1__ENET_QOS_RGMII_TD1 0x51e
+ MX93_PAD_ENET1_TD2__ENET_QOS_RGMII_TD2 0x51e
+ MX93_PAD_ENET1_TD3__ENET_QOS_RGMII_TD3 0x51e
+ MX93_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL 0x51e
/* PD | FSEL_3 | DSE X3 */
MX93_PAD_ENET1_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x58e
>;
@@ -535,7 +536,8 @@ MX93_PAD_ENET1_TXC__CCM_ENET_QOS_CLOCK_GENERATE_TX_CLK 0x58e

pinctrl_eqos_phy: eqosphygrp {
fsl,pins = <
- MX93_PAD_CCM_CLKO1__GPIO3_IO26 0x1306
+ /* HYS | FSEL_0 | DSE no drive */
+ MX93_PAD_CCM_CLKO1__GPIO3_IO26 0x1000
>;
};

@@ -543,15 +545,16 @@ pinctrl_fec: fecgrp {
fsl,pins = <
/* PD | FSEL_2 | DSE X4 */
MX93_PAD_ENET2_MDC__ENET1_MDC 0x51e
- MX93_PAD_ENET2_MDIO__ENET1_MDIO 0x4000051e
- /* PD | FSEL_2 | DSE X6 */
- MX93_PAD_ENET2_RD0__ENET1_RGMII_RD0 0x57e
- MX93_PAD_ENET2_RD1__ENET1_RGMII_RD1 0x57e
- MX93_PAD_ENET2_RD2__ENET1_RGMII_RD2 0x57e
- MX93_PAD_ENET2_RD3__ENET1_RGMII_RD3 0x57e
- /* PD | FSEL_3 | DSE X6 */
- MX93_PAD_ENET2_RXC__ENET1_RGMII_RXC 0x5fe
- MX93_PAD_ENET2_RX_CTL__ENET1_RGMII_RX_CTL 0x57e
+ /* SION | HYS | FSEL_2 | DSE X4 */
+ MX93_PAD_ENET2_MDIO__ENET1_MDIO 0x4000111e
+ /* HYS | FSEL_0 | DSE no drive */
+ MX93_PAD_ENET2_RD0__ENET1_RGMII_RD0 0x1000
+ MX93_PAD_ENET2_RD1__ENET1_RGMII_RD1 0x1000
+ MX93_PAD_ENET2_RD2__ENET1_RGMII_RD2 0x1000
+ MX93_PAD_ENET2_RD3__ENET1_RGMII_RD3 0x1000
+ MX93_PAD_ENET2_RX_CTL__ENET1_RGMII_RX_CTL 0x1000
+ /* HYS | PD | FSEL_0 | DSE no drive */
+ MX93_PAD_ENET2_RXC__ENET1_RGMII_RXC 0x1400
/* PD | FSEL_2 | DSE X4 */
MX93_PAD_ENET2_TD0__ENET1_RGMII_TD0 0x51e
MX93_PAD_ENET2_TD1__ENET1_RGMII_TD1 0x51e
@@ -565,139 +568,160 @@ MX93_PAD_ENET2_TXC__ENET1_RGMII_TXC 0x58e

pinctrl_fec_phy: fecphygrp {
fsl,pins = <
- MX93_PAD_CCM_CLKO2__GPIO3_IO27 0x1306
+ /* HYS | FSEL_0 | DSE no drive */
+ MX93_PAD_CCM_CLKO2__GPIO3_IO27 0x1000
>;
};

pinctrl_flexcan1: flexcan1grp {
fsl,pins = <
- MX93_PAD_PDM_BIT_STREAM0__CAN1_RX 0x139e
- MX93_PAD_PDM_CLK__CAN1_TX 0x139e
+ /* HYS | PU | FSEL_0 | DSE no drive */
+ MX93_PAD_PDM_BIT_STREAM0__CAN1_RX 0x1200
+ /* PU | FSEL_3 | DSE X4 */
+ MX93_PAD_PDM_CLK__CAN1_TX 0x039e
>;
};

pinctrl_flexcan2: flexcan2grp {
fsl,pins = <
- MX93_PAD_GPIO_IO25__CAN2_TX 0x139e
- MX93_PAD_GPIO_IO27__CAN2_RX 0x139e
+ /* HYS | PU | FSEL_0 | DSE no drive */
+ MX93_PAD_GPIO_IO27__CAN2_RX 0x1200
+ /* PU | FSEL_3 | DSE X4 */
+ MX93_PAD_GPIO_IO25__CAN2_TX 0x039e
>;
};

pinctrl_lpi2c3: lpi2c3grp {
fsl,pins = <
- MX93_PAD_GPIO_IO28__LPI2C3_SDA 0x40000b9e
- MX93_PAD_GPIO_IO29__LPI2C3_SCL 0x40000b9e
+ /* SION | HYS | OD | FSEL_3 | DSE X4 */
+ MX93_PAD_GPIO_IO28__LPI2C3_SDA 0x4000199e
+ MX93_PAD_GPIO_IO29__LPI2C3_SCL 0x4000199e
>;
};

pinctrl_lpi2c5: lpi2c5grp {
fsl,pins = <
- MX93_PAD_GPIO_IO22__LPI2C5_SDA 0x40000b9e
- MX93_PAD_GPIO_IO23__LPI2C5_SCL 0x40000b9e
+ /* SION | HYS | OD | FSEL_3 | DSE X4 */
+ MX93_PAD_GPIO_IO22__LPI2C5_SDA 0x4000199e
+ MX93_PAD_GPIO_IO23__LPI2C5_SCL 0x4000199e
>;
};

pinctrl_pcf85063: pcf85063grp {
fsl,pins = <
- MX93_PAD_SAI1_RXD0__GPIO1_IO14 0x1306
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_SAI1_RXD0__GPIO1_IO14 0x1000
>;
};

pinctrl_pexp_irq: pexpirqgrp {
fsl,pins = <
- MX93_PAD_SAI1_TXC__GPIO1_IO12 0x1306
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_SAI1_TXC__GPIO1_IO12 0x1000
>;
};

pinctrl_tc9595: tc9595-grp {
fsl,pins = <
- /* DP_IRQ */
- MX93_PAD_CCM_CLKO4__GPIO4_IO29 0x1306
+ /* HYS | PD | FSEL_0 | no DSE */
+ MX93_PAD_CCM_CLKO4__GPIO4_IO29 0x1400
>;
};

pinctrl_tpm5: tpm5grp {
fsl,pins = <
- MX93_PAD_GPIO_IO06__TPM5_CH0 0x57e
+ MX93_PAD_GPIO_IO06__TPM5_CH0 0x57e
>;
};

pinctrl_typec: typecgrp {
fsl,pins = <
- MX93_PAD_I2C2_SCL__GPIO1_IO02 0x1306
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_I2C2_SCL__GPIO1_IO02 0x1000
>;
};

pinctrl_uart1: uart1grp {
fsl,pins = <
- MX93_PAD_UART1_RXD__LPUART1_RX 0x31e
- MX93_PAD_UART1_TXD__LPUART1_TX 0x31e
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_UART1_RXD__LPUART1_RX 0x1000
+ /* FSEL_2 | DSE X4 */
+ MX93_PAD_UART1_TXD__LPUART1_TX 0x011e
>;
};

pinctrl_uart2: uart2grp {
fsl,pins = <
- MX93_PAD_UART2_TXD__LPUART2_TX 0x31e
- MX93_PAD_UART2_RXD__LPUART2_RX 0x31e
- MX93_PAD_SAI1_TXD0__LPUART2_RTS_B 0x51e
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_UART2_RXD__LPUART2_RX 0x1000
+ /* FSEL_2 | DSE X4 */
+ MX93_PAD_UART2_TXD__LPUART2_TX 0x011e
+ MX93_PAD_SAI1_TXD0__LPUART2_RTS_B 0x011e
>;
};

pinctrl_uart3: uart3grp {
fsl,pins = <
- MX93_PAD_GPIO_IO14__LPUART3_TX 0x31e
- MX93_PAD_GPIO_IO15__LPUART3_RX 0x31e
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_GPIO_IO15__LPUART3_RX 0x1000
+ /* FSEL_2 | DSE X4 */
+ MX93_PAD_GPIO_IO14__LPUART3_TX 0x011e
>;
};

pinctrl_uart6: uart6grp {
fsl,pins = <
- MX93_PAD_GPIO_IO04__LPUART6_TX 0x31e
- MX93_PAD_GPIO_IO05__LPUART6_RX 0x31e
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_GPIO_IO05__LPUART6_RX 0x1000
+ /* FSEL_2 | DSE X4 */
+ MX93_PAD_GPIO_IO04__LPUART6_TX 0x011e
>;
};

pinctrl_uart8: uart8grp {
fsl,pins = <
- MX93_PAD_GPIO_IO12__LPUART8_TX 0x31e
- MX93_PAD_GPIO_IO13__LPUART8_RX 0x31e
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_GPIO_IO13__LPUART8_RX 0x1000
+ /* FSEL_2 | DSE X4 */
+ MX93_PAD_GPIO_IO12__LPUART8_TX 0x011e
>;
};

pinctrl_usdhc2_gpio: usdhc2gpiogrp {
fsl,pins = <
- MX93_PAD_SD2_CD_B__GPIO3_IO00 0x31e
+ /* HYS | FSEL_0 | No DSE */
+ MX93_PAD_SD2_CD_B__GPIO3_IO00 0x1000
>;
};

pinctrl_usdhc2_hs: usdhc2hsgrp {
fsl,pins = <
- /* HYS | PD | PU | FSEL_3 | DSE X5 */
- MX93_PAD_SD2_CLK__USDHC2_CLK 0x17be
- /* HYS | PD | PU | FSEL_3 | DSE X4 */
- MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
- /* HYS | PD | PU | FSEL_3 | DSE X3 */
- MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x138e
- MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x138e
- MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x138e
- MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x138e
- /* PD | PU | FSEL_2 | DSE X3 */
- MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x50e
+ /* PD | FSEL_3 | DSE X5 */
+ MX93_PAD_SD2_CLK__USDHC2_CLK 0x05be
+ /* HYS | PU | FSEL_3 | DSE X4 */
+ MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
+ /* HYS | PU | FSEL_3 | DSE X3 */
+ MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x138e
+ MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x138e
+ MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x138e
+ MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x138e
+ /* FSEL_2 | DSE X3 */
+ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x010e
>;
};

pinctrl_usdhc2_uhs: usdhc2uhsgrp {
fsl,pins = <
- /* HYS | PD | PU | FSEL_3 | DSE X6 */
- MX93_PAD_SD2_CLK__USDHC2_CLK 0x17fe
- /* HYS | PD | PU | FSEL_3 | DSE X4 */
- MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
- MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x139e
- MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x139e
- MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x139e
- MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x139e
- /* PD | PU | FSEL_2 | DSE X3 */
- MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x50e
+ /* PD | FSEL_3 | DSE X6 */
+ MX93_PAD_SD2_CLK__USDHC2_CLK 0x05fe
+ /* HYS | PU | FSEL_3 | DSE X4 */
+ MX93_PAD_SD2_CMD__USDHC2_CMD 0x139e
+ MX93_PAD_SD2_DATA0__USDHC2_DATA0 0x139e
+ MX93_PAD_SD2_DATA1__USDHC2_DATA1 0x139e
+ MX93_PAD_SD2_DATA2__USDHC2_DATA2 0x139e
+ MX93_PAD_SD2_DATA3__USDHC2_DATA3 0x139e
+ /* FSEL_2 | DSE X3 */
+ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x010e
>;
};
};
--
2.34.1