From: Alistair Francis <alistair@alistair23.me>
To: robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.co
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, alistair23@gmail.com,
Alistair Francis <alistair@alistair23.me>
Subject: [PATCH] ARM: imx7d-remarkable2.dts: Add WiFi support
Date: Mon, 19 Apr 2021 07:00:03 +1000 [thread overview]
Message-ID: <20210418210003.2806-1-alistair@alistair23.me> (raw)
Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
| 91 +++++++++++++++++++++++++
1 file changed, 91 insertions(+)
--git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
index 8cbae656395c..c3dda2b92fe6 100644
--- a/arch/arm/boot/dts/imx7d-remarkable2.dts
+++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
@@ -21,6 +21,27 @@ memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x40000000>;
};
+
+ reg_brcm: regulator-brcm {
+ compatible = "regulator-fixed";
+ regulator-name = "brcm_reg";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_brcm_reg>;
+ gpio = <&gpio6 13 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ startup-delay-us = <150>;
+ };
+
+ wifi_pwrseq: wifi_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_wifi>;
+ reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
+ clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
+ clock-names = "ext_clock";
+ };
};
&clks {
@@ -56,6 +77,27 @@ &usbotg2 {
status = "okay";
};
+&usdhc2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pinctrl-names = "default", "state_100mhz", "sleep";
+ pinctrl-0 = <&pinctrl_usdhc2>;
+ pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc2>;
+ mmc-pwrseq = <&wifi_pwrseq>;
+ vmmc-supply = <®_brcm>;
+ bus-width = <4>;
+ non-removable;
+ keep-power-in-suspend;
+ cap-power-off-card;
+ status = "okay";
+
+ brcmf: bcrmf@1 {
+ reg = <1>;
+ compatible = "brcm,bcm4329-fmac";
+ };
+};
+
&usdhc3 {
pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
pinctrl-0 = <&pinctrl_usdhc3>;
@@ -76,6 +118,13 @@ &wdog1 {
};
&iomuxc {
+ pinctrl_brcm_reg: brcmreggrp {
+ fsl,pins = <
+ /* WIFI_PWR_EN */
+ MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13 0x14
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX 0x79
@@ -90,6 +139,39 @@ MX7D_PAD_EPDC_DATA08__UART6_DCE_RX 0x79
>;
};
+ pinctrl_usdhc2: usdhc2grp {
+ fsl,pins = <
+ MX7D_PAD_SD2_CMD__SD2_CMD 0x59
+ MX7D_PAD_SD2_CLK__SD2_CLK 0x19
+ MX7D_PAD_SD2_DATA0__SD2_DATA0 0x59
+ MX7D_PAD_SD2_DATA1__SD2_DATA1 0x59
+ MX7D_PAD_SD2_DATA2__SD2_DATA2 0x59
+ MX7D_PAD_SD2_DATA3__SD2_DATA3 0x59
+ >;
+ };
+
+ pinctrl_usdhc2_100mhz: usdhc2grp_100mhz {
+ fsl,pins = <
+ MX7D_PAD_SD2_CMD__SD2_CMD 0x5a
+ MX7D_PAD_SD2_CLK__SD2_CLK 0x1a
+ MX7D_PAD_SD2_DATA0__SD2_DATA0 0x5a
+ MX7D_PAD_SD2_DATA1__SD2_DATA1 0x5a
+ MX7D_PAD_SD2_DATA2__SD2_DATA2 0x5a
+ MX7D_PAD_SD2_DATA3__SD2_DATA3 0x5a
+ >;
+ };
+
+ pinctrl_usdhc2_200mhz: usdhc2grp_200mhz {
+ fsl,pins = <
+ MX7D_PAD_SD2_CMD__SD2_CMD 0x5b
+ MX7D_PAD_SD2_CLK__SD2_CLK 0x1b
+ MX7D_PAD_SD2_DATA0__SD2_DATA0 0x5b
+ MX7D_PAD_SD2_DATA1__SD2_DATA1 0x5b
+ MX7D_PAD_SD2_DATA2__SD2_DATA2 0x5b
+ MX7D_PAD_SD2_DATA3__SD2_DATA3 0x5b
+ >;
+ };
+
pinctrl_usdhc3: usdhc3grp {
fsl,pins = <
MX7D_PAD_SD3_CMD__SD3_CMD 0x59
@@ -143,4 +225,13 @@ pinctrl_wdog: wdoggrp {
MX7D_PAD_ENET1_COL__WDOG1_WDOG_ANY 0x74
>;
};
+
+ pinctrl_wifi: wifigrp {
+ fsl,pins = <
+ /* WiFi Reg On */
+ MX7D_PAD_SD2_CD_B__GPIO5_IO9 0x00000014
+ /* WiFi Sleep 32k */
+ MX7D_PAD_SD1_WP__CCM_CLKO2 0x00000014
+ >;
+ };
};
--
2.31.1
next reply other threads:[~2021-04-19 8:38 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-18 21:00 Alistair Francis [this message]
2021-05-13 13:35 ` [PATCH] ARM: imx7d-remarkable2.dts: Add WiFi support Shawn Guo
2021-06-15 9:46 ` Alistair Francis
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