redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

ARM: imx7d-remarkable2.dts: Add WiFi support 

Signed-off-by: Alistair Francis <alistair@alistair23.me>
rM2-mainline
Alistair Francis 2021-03-09 18:33:41 -05:00
parent 19046ca082
commit 0341956de2
1 changed files with 91 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

91
arch/arm/boot/dts/imx7d-remarkable2.dts
View File

@ -21,6 +21,27 @@
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 @@
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 = <&reg_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 @@
};
&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 @@
>;
};
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 @@
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
>;
};
};