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Message-Id: <20240724125901.1391698-7-alexander.stein@ew.tq-group.com>
Date: Wed, 24 Jul 2024 14:58:53 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Alexander Stein <alexander.stein@...tq-group.com>
Cc: Markus Niebel <Markus.Niebel@...tq-group.com>,
	linux@...tq-group.com,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 06/14] arm64: dts: freescale: imx93-tqma9352-mba93xxla: improve pad configuration

From: Markus Niebel <Markus.Niebel@...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
- add missing pad groups
- assign muxed GPIO pads for X1 to gpio2 node

Signed-off-by: Markus Niebel <Markus.Niebel@...tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 .../freescale/imx93-tqma9352-mba93xxla.dts    | 237 ++++++++++++------
 1 file changed, 164 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 e2ee9f5a042c..c663b6585c3a 100644
--- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
@@ -222,6 +222,11 @@ rtc-irq-hog {
 	};
 };
 
+&gpio2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpio2>;
+};
+
 &gpio3 {
 	ethphy-eqos-irq-hog {
 		gpio-hog;
@@ -509,25 +514,39 @@ &usdhc2 {
 };
 
 &iomuxc {
+	pinctrl_afe: afegrp {
+		fsl,pins = <
+			/* FSEL_2 | DSE X4 */
+			MX93_PAD_GPIO_IO07__GPIO2_IO07			0x011e
+			/* PD | FSEL_2 | DSE X4 */
+			MX93_PAD_GPIO_IO08__GPIO2_IO08			0x051e
+			/* HYS | PD */
+			MX93_PAD_GPIO_IO09__GPIO2_IO09			0x1400
+			/* HYS */
+			MX93_PAD_GPIO_IO24__GPIO2_IO24			0x1000
+		>;
+	};
+
 	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 +554,8 @@ 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 +563,16 @@ 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 +586,209 @@ 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_gpio2: gpio2grp {
+		fsl,pins = <
+			/* HYS | PD | FSEL_2 | DSE X4 */
+			MX93_PAD_GPIO_IO16__GPIO2_IO16			0x151e
+			MX93_PAD_GPIO_IO17__GPIO2_IO17			0x151e
+			MX93_PAD_GPIO_IO18__GPIO2_IO18			0x151e
+			MX93_PAD_GPIO_IO19__GPIO2_IO19			0x151e
+			MX93_PAD_GPIO_IO20__GPIO2_IO20			0x151e
+			MX93_PAD_GPIO_IO21__GPIO2_IO21			0x151e
+			MX93_PAD_GPIO_IO26__GPIO2_IO26			0x151e
+		>;
+	};
+
+	pinctrl_jtag: jtaggrp {
+		fsl,pins = <
+			MX93_PAD_DAP_TCLK_SWCLK__JTAG_MUX_TCK		0x051e
+			MX93_PAD_DAP_TDI__JTAG_MUX_TDI			0x1200
+			MX93_PAD_DAP_TDO_TRACESWO__JTAG_MUX_TDO		0x031e
+			MX93_PAD_DAP_TMS_SWDIO__JTAG_MUX_TMS		0x1200
 		>;
 	};
 
 	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_lpspi6: lpspi6grp {
+		fsl,pins = <
+			/* FSEL_2 | DSE X4 */
+			MX93_PAD_GPIO_IO00__LPSPI6_PCS0			0x011e
+			/* HYS | PD | FSEL_0 | DSE no drive */
+			MX93_PAD_GPIO_IO01__LPSPI6_SIN			0x1400
+			/* PD | FSEL_2 | DSE X4 */
+			MX93_PAD_GPIO_IO02__LPSPI6_SOUT			0x051e
+			MX93_PAD_GPIO_IO03__LPSPI6_SCK			0x051e
+		>;
+	};
+
+	pinctrl_mipi_csi: mipicsigrp {
+		fsl,pins = <
+			MX93_PAD_CCM_CLKO3__CCMSRCGPCMIX_CLKO3		0x051e /* MCLK */
+			MX93_PAD_GPIO_IO10__GPIO2_IO10			0x051e /* TRIGGER */
+			MX93_PAD_GPIO_IO11__GPIO2_IO11			0x1400 /* SYNC */
 		>;
 	};
 
 	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_temp_sensor_som: tempsensorsomgrp {
+		fsl,pins = <
+			/* HYS | FSEL_0 | no DSE */
+			MX93_PAD_SAI1_TXFS__GPIO1_IO11			0x1000
 		>;
 	};
 
 	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


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