From f911b5e31a6680de4bdc22128bdc4d6862bad757 Mon Sep 17 00:00:00 2001 From: Eyal Reizer Date: Tue, 5 May 2015 11:33:42 +0300 Subject: [PATCH] ARM: dts: am335x-boneblack: enable wl1835mod cape support Add support for the WL1835MOD cape. This cape conflicts with the eMMC and HDMI on board the BeagleBone Black. This change requires that the board be booted from the SD card slot by holding the user/boot button down at power on and reset. Signed-off-by: Eyal Reizer --- .../dts/am335x-boneblack-wl1835mod-cape.dtsi | 128 ++++++++++++++++++ .../boot/dts/am335x-boneblack-wl1835mod.dts | 42 ++++++ 2 files changed, 170 insertions(+) create mode 100644 arch/arm/boot/dts/am335x-boneblack-wl1835mod-cape.dtsi create mode 100644 arch/arm/boot/dts/am335x-boneblack-wl1835mod.dts diff --git a/arch/arm/boot/dts/am335x-boneblack-wl1835mod-cape.dtsi b/arch/arm/boot/dts/am335x-boneblack-wl1835mod-cape.dtsi new file mode 100644 index 0000000000000..94caa22903017 --- /dev/null +++ b/arch/arm/boot/dts/am335x-boneblack-wl1835mod-cape.dtsi @@ -0,0 +1,128 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include + +/ { + wlan_en_reg: fixedregulator@2 { + compatible = "regulator-fixed"; + regulator-name = "wlan-en-regulator"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + + /* WL_EN */ + gpio = <&gpio0 26 0>; + enable-active-high; + }; + + kim { + compatible = "kim"; + nshutdown_gpio = <44>; /* Bank1, pin12 */ + dev_name = "/dev/ttyO4"; + flow_cntrl = <1>; + baud_rate = <3000000>; + }; + + btwilink { + compatible = "btwilink"; + }; +}; + +&am33xx_pinmux { + bt_pins: pinmux_bt_pins { + pinctrl-single,pins = < + 0x30 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_ad12.gpio1_12 */ + >; + }; + + mmc2_pins: pinmux_mmc2_pins { + pinctrl-single,pins = < + 0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */ + 0x84 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */ + 0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */ + 0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */ + 0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */ + 0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */ + >; + }; + + mmc2_pins_sleep: pinmux_mmc2_pins_sleep { + pinctrl-single,pins = < + 0x80 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn1.mmc1_clk */ + 0x84 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_csn2.mmc1_cmd */ + 0x00 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad0.mmc1_dat0 */ + 0x04 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad1.mmc1_dat1 */ + 0x08 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad2.mmc1_dat2 */ + 0x0c (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad3.mmc1_dat3 */ + >; + }; + + /* wl18xx card enable/irq GPIOs. */ + wlan_pins: pinmux_wlan_pins { + pinctrl-single,pins = < + 0x28 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_ad10.gpio0_26 WL_EN*/ + 0x2C (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_ad11.gpio0_27 WL_IRQ*/ + 0x7C (PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_csn0.gpio1_29 BF_EN*/ + >; + }; + + /* wl18xx card enable/irq GPIOs. */ + wlan_pins_sleep: pinmux_wlan_pins_sleep { + pinctrl-single,pins = < + 0x28 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_ad10.gpio0_26 WL_EN*/ + 0x2C (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_ad11.gpio0_27 WL_IRQ*/ + 0x7C (PIN_OUTPUT_PULLUP | MUX_MODE0) /* gpmc_csn0.gpio1_29 BF_EN*/ + >; + }; + + uart4_pins_default: pinmux_uart4_pins_default { + pinctrl-single,pins = < + 0xD0 (PIN_INPUT | MUX_MODE6) /* lcd_data12.uart4_cts */ + 0xD4 (PIN_OUTPUT_PULLDOWN | MUX_MODE6) /* lcd_data13.uart4_rts */ + 0x70 (PIN_INPUT_PULLUP | MUX_MODE6) /* gpmc_wait0.uart4_rxd */ + 0x74 (PIN_OUTPUT_PULLDOWN | MUX_MODE6) /* gpmc_wpn.uart4_txd */ + >; + }; + + uart4_pins_sleep: pinmux_uart4_pins_sleep { + pinctrl-single,pins = < + 0xD0 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_data12.uart4_cts */ + 0xD4 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* lcd_data13.uart4_rts */ + 0x70 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_wait0.uart4_rxd */ + 0x74 (PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_wpn.uart4_txd */ + >; + }; +}; + +&mmc2 { + status = "okay"; + vmmc-supply = <&wlan_en_reg>; + bus-width = <4>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&mmc2_pins &wlan_pins>; + pinctrl-1 = <&mmc2_pins_sleep &wlan_pins_sleep>; + ti,non-removable; + ti,needs-special-hs-handling; + cap-power-off-card; + keep-power-in-suspend; + + #address-cells = <1>; + #size-cells = <0>; + wlcore: wlcore@0 { + compatible = "ti,wl1835"; + reg = <2>; + interrupt-parent = <&gpio0>; + interrupts = <27 IRQ_TYPE_LEVEL_HIGH>; + }; +}; + +&uart4 { + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&uart4_pins_default>; + pinctrl-1 = <&uart4_pins_sleep>; + status = "okay"; +}; diff --git a/arch/arm/boot/dts/am335x-boneblack-wl1835mod.dts b/arch/arm/boot/dts/am335x-boneblack-wl1835mod.dts new file mode 100644 index 0000000000000..e376613cce212 --- /dev/null +++ b/arch/arm/boot/dts/am335x-boneblack-wl1835mod.dts @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +/dts-v1/; + +#include "am33xx.dtsi" +#include "am335x-bone-common-no-capemgr.dtsi" + +/ { + model = "TI AM335x BeagleBone Black"; + compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; +}; + +&ldo3_reg { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; +}; + +&mmc1 { + vmmc-supply = <&vmmcsd_fixed>; +}; + +&rtc { + system-power-controller; +}; + +/* EMMC in reset */ +&gpio1 { + emmc_rst { + gpio-hog; + gpios = <20 0>; + output-high; + line-name = "EMMC ResetN"; + }; +}; + +#include "am335x-boneblack-wl1835mod-cape.dtsi"