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ARM: dts: am3517-som: Add WL127x Wifi

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Certain models of the AM3517 SOM from Logic PD come with an
integrated WL1271 WiFi.  This patch enables the WiFi.

Signed-off-by: Adam Ford <aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Adam Ford 2018-06-08 06:29:26 -05:00 committed by Tony Lindgren
parent 5e2e1c4fb3
commit 6bf5e3410f
2 changed files with 80 additions and 4 deletions
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4
arch/arm/boot/dts/am3517-evm.dts
View File

@ -220,10 +220,6 @@ &mmc1 {
cd-gpios = <&gpio4 31 GPIO_ACTIVE_HIGH>; /* gpio_127 */
};
&mmc2 {
status = "disabled";
};
&mmc3 {
status = "disabled";
};

80
arch/arm/boot/dts/am3517-som.dtsi
View File

@ -14,6 +14,32 @@ cpu@0 {
cpu0-supply = <&vdd_core_reg>;
};
};
wl12xx_buffer: wl12xx_buf {
compatible = "regulator-fixed";
regulator-name = "wl1271_buf";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
pinctrl-names = "default";
pinctrl-0 = <&wl12xx_buffer_pins>;
gpio = <&gpio5 1 GPIO_ACTIVE_LOW>; /* gpio 129 */
regulator-always-on;
vin-supply = <&vdd_1v8_reg>;
};
wl12xx_vmmc2: wl12xx_vmmc2 {
compatible = "regulator-fixed";
regulator-name = "vwl1271";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
pinctrl-names = "default";
pinctrl-0 = <&wl12xx_wkup_pins>;
gpio = <&gpio1 3 GPIO_ACTIVE_HIGH >; /* gpio 3 */
startup-delay-us = <70000>;
enable-active-high;
regulator-always-on;
vin-supply = <&wl12xx_buffer>;
};
};
&gpmc {
@ -121,8 +147,53 @@ touchscreen: tsc2004@4b {
};
};
&mmc2 {
interrupts-extended = <&intc 86 /* &omap3_pmx_core 0x12c */>;
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mmc2_pins>;
vmmc-supply = <&wl12xx_vmmc2>;
non-removable;
bus-width = <4>;
cap-power-off-card;
#address-cells = <1>;
#size-cells = <0>;
wlcore: wlcore@2 {
compatible = "ti,wl1271";
reg = <2>;
interrupt-parent = <&gpio6>;
interrupts = <10 IRQ_TYPE_LEVEL_HIGH>; /* gpio_170 */
ref-clock-frequency = <26000000>;
tcxo-clock-frequency = <26000000>;
};
};
&omap3_pmx_core {
wl12xx_buffer_pins: pinmux_wl12xx_buffer_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2156, PIN_OUTPUT | MUX_MODE4) /* mmc1_dat7.gpio_129 */
>;
};
mmc2_pins: pinmux_mmc2_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x2158, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc2_clk.mmc2_clk */
OMAP3_CORE1_IOPAD(0x215a, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc2_cmd.mmc2_cmd */
OMAP3_CORE1_IOPAD(0x215c, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc2_dat0.mmc2_dat0 */
OMAP3_CORE1_IOPAD(0x215e, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc2_dat1.mmc2_dat1 */
OMAP3_CORE1_IOPAD(0x2160, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc2_dat2.mmc2_dat2 */
OMAP3_CORE1_IOPAD(0x2162, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc2_dat3.mmc2_dat3 */
OMAP3_CORE1_IOPAD(0x2164, PIN_OUTPUT | MUX_MODE1) /* mmc2_dat4.mmc2_dir_dat0 */
OMAP3_CORE1_IOPAD(0x2166, PIN_OUTPUT | MUX_MODE1) /* mmc2_dat5.mmc2_dir_dat1 */
OMAP3_CORE1_IOPAD(0x2168, PIN_OUTPUT | MUX_MODE1) /* mmc2_dat6.mmc2_dir_cmd */
OMAP3_CORE1_IOPAD(0x216a, PIN_INPUT | MUX_MODE1) /* mmc2_dat7.mmc2_clkin */
OMAP3_CORE1_IOPAD(0x21c6, PIN_INPUT_PULLUP | MUX_MODE4) /* hdq_sio.gpio_170 */
>;
};
rtc_pins: pinmux_rtc_pins {
pinctrl-single,pins = <
OMAP3_CORE1_IOPAD(0x20b6, PIN_INPUT_PULLUP | MUX_MODE4) /* gpmc_ncs4.gpio_55 */
@ -135,3 +206,12 @@ OMAP3_CORE1_IOPAD(0x20d2, PIN_INPUT | MUX_MODE4) /* gpmc_wait3.gpio_65 */
>;
};
};
&omap3_pmx_wkup {
wl12xx_wkup_pins: pinmux_wl12xx_wkup_pins {
pinctrl-single,pins = <
OMAP3_WKUP_IOPAD(0x2a0c, PIN_OUTPUT | MUX_MODE4) /* sys_boot1.gpio_3 */
>;
};
};