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Message-Id: <20250605205853.1334131-3-Frank.Li@nxp.com>
Date: Thu, 5 Jun 2025 16:58:50 -0400
From: Frank Li <Frank.Li@....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>,
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS),
imx@...ts.linux.dev (open list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE),
linux-kernel@...r.kernel.org (open list)
Cc: imx@...ts.linux.dev
Subject: [PATCH 3/6] arm64: dts: imx93: add usdhc3 and lpuart5
Add usdhc3 and lpuart5 for imx93-9x9-qsb, imx93-11x11-evk and
imx93-14x14-evk, which connect to onboard wifi/bt module.
Signed-off-by: Frank Li <Frank.Li@....com>
---
.../boot/dts/freescale/imx93-11x11-evk.dts | 103 ++++++++++++++++++
.../boot/dts/freescale/imx93-14x14-evk.dts | 99 +++++++++++++++++
.../boot/dts/freescale/imx93-9x9-qsb.dts | 92 ++++++++++++++++
3 files changed, 294 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
index a6ebeb642eb65..295eb8d90f03f 100644
--- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
@@ -95,6 +95,15 @@ reg_can2_standby: regulator-can2-standby {
gpio = <&adp5585 6 GPIO_ACTIVE_LOW>;
};
+ reg_m2_pwr: regulator-m2-pwr {
+ compatible = "regulator-fixed";
+ regulator-name = "M.2-power";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pcal6524 13 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
pinctrl-names = "default";
@@ -107,6 +116,28 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
enable-active-high;
};
+ reg_usdhc3_vmmc: regulator-usdhc3 {
+ compatible = "regulator-fixed";
+ regulator-name = "WLAN_EN";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <®_m2_pwr>;
+ gpio = <&pcal6524 20 GPIO_ACTIVE_HIGH>;
+ /*
+ * IW612 wifi chip needs more delay than other wifi chips to complete
+ * the host interface initialization after power up, otherwise the
+ * internal state of IW612 may be unstable, resulting in the failure of
+ * the SDIO3.0 switch voltage.
+ */
+ startup-delay-us = <20000>;
+ enable-active-high;
+ };
+
+ usdhc3_pwrseq: usdhc3_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&pcal6524 12 GPIO_ACTIVE_LOW>;
+ };
+
backlight_lvds: backlight-lvds {
compatible = "pwm-backlight";
pwms = <&adp5585 0 100000 0>;
@@ -492,6 +523,10 @@ &lpuart5 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart5>;
status = "okay";
+
+ bluetooth {
+ compatible = "nxp,88w8987-bt";
+ };
};
&micfil {
@@ -593,6 +628,21 @@ &usdhc2 {
no-mmc;
};
+&usdhc3 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
+ pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc3_wlan>;
+ pinctrl-1 = <&pinctrl_usdhc3_100mhz>, <&pinctrl_usdhc3_wlan>;
+ pinctrl-2 = <&pinctrl_usdhc3_200mhz>, <&pinctrl_usdhc3_wlan>;
+ pinctrl-3 = <&pinctrl_usdhc3_sleep>, <&pinctrl_usdhc3_wlan>;
+ mmc-pwrseq = <&usdhc3_pwrseq>;
+ vmmc-supply = <®_usdhc3_vmmc>;
+ bus-width = <4>;
+ keep-power-in-suspend;
+ non-removable;
+ wakeup-source;
+ status = "okay";
+};
+
&wdog3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdog>;
@@ -934,6 +984,59 @@ MX93_PAD_SD2_VSELECT__GPIO3_IO19 0x51e
>;
};
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3: usdhc3grp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x1582
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x40001382
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x40001382
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x40001382
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x40001382
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x40001382
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x158e
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x4000138e
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x4000138e
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x4000138e
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x4000138e
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x4000138e
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x15fe
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x400013fe
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x400013fe
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x400013fe
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x400013fe
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x400013fe
+ >;
+ };
+
+ pinctrl_usdhc3_sleep: usdhc3grpsleepgrp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__GPIO3_IO20 0x31e
+ MX93_PAD_SD3_CMD__GPIO3_IO21 0x31e
+ MX93_PAD_SD3_DATA0__GPIO3_IO22 0x31e
+ MX93_PAD_SD3_DATA1__GPIO3_IO23 0x31e
+ MX93_PAD_SD3_DATA2__GPIO3_IO24 0x31e
+ MX93_PAD_SD3_DATA3__GPIO3_IO25 0x31e
+ >;
+ };
+
+ pinctrl_usdhc3_wlan: usdhc3wlangrp {
+ fsl,pins = <
+ MX93_PAD_CCM_CLKO1__GPIO3_IO26 0x31e
+ >;
+ };
+
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX93_PAD_WDOG_ANY__WDOG1_WDOG_ANY 0x31e
diff --git a/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts b/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts
index f556b6569a68e..c5d86b54ad33b 100644
--- a/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-14x14-evk.dts
@@ -99,6 +99,15 @@ reg_can2_en: regulator-can2-en {
enable-active-high;
};
+ reg_m2_pwr: regulator-m2-pwr {
+ compatible = "regulator-fixed";
+ regulator-name = "M.2-power";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pcal6524 13 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
reg_usdhc2_vmmc: regulator-usdhc2 {
compatible = "regulator-fixed";
pinctrl-names = "default";
@@ -111,6 +120,23 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
off-on-delay-us = <12000>;
};
+ reg_usdhc3_vmmc: regulator-usdhc3 {
+ compatible = "regulator-fixed";
+ regulator-name = "WLAN_EN";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <®_m2_pwr>;
+ gpio = <&pcal6524 20 GPIO_ACTIVE_HIGH>;
+ /*
+ * IW612 wifi chip needs more delay than other wifi chips to complete
+ * the host interface initialization after power up, otherwise the
+ * internal state of IW612 may be unstable, resulting in the failure of
+ * the SDIO3.0 switch voltage.
+ */
+ startup-delay-us = <20000>;
+ enable-active-high;
+ };
+
reg_vdd_12v: regulator-vdd-12v {
compatible = "regulator-fixed";
regulator-name = "reg_vdd_12v";
@@ -126,6 +152,11 @@ reg_vref_1v8: regulator-adc-vref {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
};
+
+ usdhc3_pwrseq: usdhc3_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&pcal6524 12 GPIO_ACTIVE_LOW>;
+ };
};
&adc1 {
@@ -366,6 +397,21 @@ &usdhc2 {
status = "okay";
};
+&usdhc3 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
+ pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc3_wlan>;
+ pinctrl-1 = <&pinctrl_usdhc3_100mhz>, <&pinctrl_usdhc3_wlan>;
+ pinctrl-2 = <&pinctrl_usdhc3_200mhz>, <&pinctrl_usdhc3_wlan>;
+ pinctrl-3 = <&pinctrl_usdhc3_sleep>, <&pinctrl_usdhc3_wlan>;
+ mmc-pwrseq = <&usdhc3_pwrseq>;
+ vmmc-supply = <®_usdhc3_vmmc>;
+ bus-width = <4>;
+ keep-power-in-suspend;
+ non-removable;
+ wakeup-source;
+ status = "okay";
+};
+
&wdog3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdog>;
@@ -552,6 +598,59 @@ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
>;
};
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3: usdhc3grp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x1582
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x40001382
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x40001382
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x40001382
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x40001382
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x40001382
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x158e
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x4000138e
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x4000138e
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x4000138e
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x4000138e
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x4000138e
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x15fe
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x400013fe
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x400013fe
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x400013fe
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x400013fe
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x400013fe
+ >;
+ };
+
+ pinctrl_usdhc3_sleep: usdhc3grpsleepgrp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__GPIO3_IO20 0x31e
+ MX93_PAD_SD3_CMD__GPIO3_IO21 0x31e
+ MX93_PAD_SD3_DATA0__GPIO3_IO22 0x31e
+ MX93_PAD_SD3_DATA1__GPIO3_IO23 0x31e
+ MX93_PAD_SD3_DATA2__GPIO3_IO24 0x31e
+ MX93_PAD_SD3_DATA3__GPIO3_IO25 0x31e
+ >;
+ };
+
+ pinctrl_usdhc3_wlan: usdhc3wlangrp {
+ fsl,pins = <
+ MX93_PAD_CCM_CLKO1__GPIO3_IO26 0x31e
+ >;
+ };
+
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX93_PAD_WDOG_ANY__WDOG1_WDOG_ANY 0x31e
diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
index cceca130c5b4e..f6f8d105b737e 100644
--- a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
+++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
@@ -82,6 +82,15 @@ reg_audio_pwr: regulator-audio-pwr {
enable-active-high;
};
+ reg_m2_pwr: regulator-m2-pwr {
+ compatible = "regulator-fixed";
+ regulator-name = "M.2-power";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&pcal6524 13 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
reg_rpi_3v3: regulator-rpi {
compatible = "regulator-fixed";
regulator-name = "VDD_RPI_3V3";
@@ -103,6 +112,23 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
off-on-delay-us = <12000>;
};
+ reg_usdhc3_vmmc: regulator-usdhc3 {
+ compatible = "regulator-fixed";
+ regulator-name = "WLAN_EN";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <®_m2_pwr>;
+ gpio = <&pcal6524 20 GPIO_ACTIVE_HIGH>;
+ /*
+ * IW612 wifi chip needs more delay than other wifi chips to complete
+ * the host interface initialization after power up, otherwise the
+ * internal state of IW612 may be unstable, resulting in the failure of
+ * the SDIO3.0 switch voltage.
+ */
+ startup-delay-us = <20000>;
+ enable-active-high;
+ };
+
sound-bt-sco {
compatible = "simple-audio-card";
simple-audio-card,name = "bt-sco-audio";
@@ -151,6 +177,11 @@ sound-wm8962 {
"IN3R", "AMIC",
"IN1R", "AMIC";
};
+
+ usdhc3_pwrseq: usdhc3_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ reset-gpios = <&pcal6524 12 GPIO_ACTIVE_LOW>;
+ };
};
&adc1 {
@@ -384,6 +415,17 @@ &lpuart1 { /* console */
status = "okay";
};
+&lpuart5 {
+ /* BT */
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart5>;
+ status = "okay";
+
+ bluetooth {
+ compatible = "nxp,88w8987-bt";
+ };
+};
+
&micfil {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pdm>;
@@ -462,6 +504,20 @@ &usdhc2 {
status = "okay";
};
+&usdhc3 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc3>;
+ pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+ mmc-pwrseq = <&usdhc3_pwrseq>;
+ vmmc-supply = <®_usdhc3_vmmc>;
+ bus-width = <4>;
+ keep-power-in-suspend;
+ non-removable;
+ wakeup-source;
+ status = "okay";
+};
+
&wdog3 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdog>;
@@ -654,6 +710,42 @@ MX93_PAD_SD2_VSELECT__USDHC2_VSELECT 0x51e
>;
};
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3: usdhc3grp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x1582
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x40001382
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x40001382
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x40001382
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x40001382
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x40001382
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x158e
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x4000138e
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x4000138e
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x4000138e
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x4000138e
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x4000138e
+ >;
+ };
+
+ /* need to config the SION for data and cmd pad, refer to ERR052021 */
+ pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+ fsl,pins = <
+ MX93_PAD_SD3_CLK__USDHC3_CLK 0x15fe
+ MX93_PAD_SD3_CMD__USDHC3_CMD 0x400013fe
+ MX93_PAD_SD3_DATA0__USDHC3_DATA0 0x400013fe
+ MX93_PAD_SD3_DATA1__USDHC3_DATA1 0x400013fe
+ MX93_PAD_SD3_DATA2__USDHC3_DATA2 0x400013fe
+ MX93_PAD_SD3_DATA3__USDHC3_DATA3 0x400013fe
+ >;
+ };
+
pinctrl_wdog: wdoggrp {
fsl,pins = <
MX93_PAD_WDOG_ANY__WDOG1_WDOG_ANY 0x31e
--
2.34.1
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