diff options
Diffstat (limited to 'arch/arm/boot/dts/omap4-var-som-om44-wlan.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/omap4-var-som-om44-wlan.dtsi | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap4-var-som-om44-wlan.dtsi b/arch/arm/boot/dts/omap4-var-som-om44-wlan.dtsi new file mode 100644 index 000000000..de779d2d7 --- /dev/null +++ b/arch/arm/boot/dts/omap4-var-som-om44-wlan.dtsi @@ -0,0 +1,75 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2014 Joachim Eastwood <manabian@gmail.com> + */ + +/ { + /* regulator for wl12xx on sdio4 */ + wl12xx_vmmc: wl12xx_vmmc { + pinctrl-names = "default"; + pinctrl-0 = <&wl12xx_ctrl_pins>; + compatible = "regulator-fixed"; + regulator-name = "vwl1271"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>; /* gpio 43 */ + startup-delay-us = <70000>; + enable-active-high; + }; +}; + +&omap4_pmx_core { + uart2_pins: uart2-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x118, PIN_INPUT_PULLUP | MUX_MODE0) /* uart2_cts.uart2_cts */ + OMAP4_IOPAD(0x11a, PIN_OUTPUT | MUX_MODE0) /* uart2_rts.uart2_rts */ + OMAP4_IOPAD(0x11c, PIN_INPUT_PULLUP | MUX_MODE0) /* uart2_rx.uart2_rx */ + OMAP4_IOPAD(0x11e, PIN_OUTPUT | MUX_MODE0) /* uart2_tx.uart2_tx */ + >; + }; + + wl12xx_ctrl_pins: wl12xx-ctrl-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x062, PIN_INPUT_PULLUP | MUX_MODE3) /* gpmc_a17.gpio_41 (WLAN_IRQ) */ + OMAP4_IOPAD(0x064, PIN_OUTPUT | MUX_MODE3) /* gpmc_a18.gpio_42 (BT_EN) */ + OMAP4_IOPAD(0x066, PIN_OUTPUT | MUX_MODE3) /* gpmc_a19.gpio_43 (WLAN_EN) */ + >; + }; + + mmc4_pins: mmc4-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x154, PIN_INPUT_PULLUP | MUX_MODE1) /* mcspi4_clk.sdmmc4_clk */ + OMAP4_IOPAD(0x156, PIN_INPUT_PULLUP | MUX_MODE1) /* mcspi4_simo.sdmmc4_cmd */ + OMAP4_IOPAD(0x158, PIN_INPUT_PULLUP | MUX_MODE1) /* mcspi4_somi.sdmmc4_dat0 */ + OMAP4_IOPAD(0x15e, PIN_INPUT_PULLUP | MUX_MODE1) /* uart4_tx.sdmmc4_dat1 */ + OMAP4_IOPAD(0x15c, PIN_INPUT_PULLUP | MUX_MODE1) /* uart4_rx.sdmmc4_dat2 */ + OMAP4_IOPAD(0x15a, PIN_INPUT_PULLUP | MUX_MODE1) /* mcspi4_cs0.sdmmc4_dat3 */ + >; + }; +}; + +&uart2 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins>; + status = "okay"; +}; + +&mmc4 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc4_pins>; + vmmc-supply = <&wl12xx_vmmc>; + non-removable; + bus-width = <4>; + cap-power-off-card; + status = "okay"; + + #address-cells = <1>; + #size-cells = <0>; + wlcore: wlcore@2 { + compatible = "ti,wl1271"; + reg = <2>; + interrupt-parent = <&gpio2>; + interrupts = <9 IRQ_TYPE_LEVEL_HIGH>; /* gpio 41 */ + ref-clock-frequency = <38400000>; + }; +}; |