Add support for the SanCloud BBE Extended WiFi board which shares common hardware with other BBE varients. Compared to the vanilla BBE, this particular model: * adds a WiFi+Bluetooth module connected via SDIO and UART. * drops the HDMI encoder, barometer and accelerometer. Signed-off-by: Paul Barker <paul.barker@xxxxxxxxxxxx> --- arch/arm/boot/dts/Makefile | 1 + .../dts/am335x-sancloud-bbe-extended-wifi.dts | 113 ++++++++++++++++++ 2 files changed, 114 insertions(+) create mode 100644 arch/arm/boot/dts/am335x-sancloud-bbe-extended-wifi.dts diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index e41eca79c950..fb1f7d1f94a5 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -895,6 +895,7 @@ dtb-$(CONFIG_SOC_AM33XX) += \ am335x-regor-rdk.dtb \ am335x-sancloud-bbe.dtb \ am335x-sancloud-bbe-lite.dtb \ + am335x-sancloud-bbe-extended-wifi.dtb \ am335x-shc.dtb \ am335x-sbc-t335.dtb \ am335x-sl50.dtb \ diff --git a/arch/arm/boot/dts/am335x-sancloud-bbe-extended-wifi.dts b/arch/arm/boot/dts/am335x-sancloud-bbe-extended-wifi.dts new file mode 100644 index 000000000000..246a1a9b3e44 --- /dev/null +++ b/arch/arm/boot/dts/am335x-sancloud-bbe-extended-wifi.dts @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Copyright (C) 2021 Sancloud Ltd + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + */ +/dts-v1/; + +#include "am33xx.dtsi" +#include "am335x-bone-common.dtsi" +#include "am335x-boneblack-common.dtsi" +#include "am335x-sancloud-bbe-common.dtsi" +#include <dt-bindings/interrupt-controller/irq.h> + +/ { + model = "SanCloud BeagleBone Enhanced Extended WiFi"; + compatible = "sancloud,am335x-boneenhanced", + "ti,am335x-bone-black", + "ti,am335x-bone", + "ti,am33xx"; + + wlan_en_reg: fixedregulator@2 { + compatible = "regulator-fixed"; + regulator-name = "wlan-en-regulator"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + startup-delay-us= <100000>; + }; +}; + +&am33xx_pinmux { + mmc3_pins: pinmux_mmc3_pins { + pinctrl-single,pins = < + /* gpmc_a9.gpio1_25: RADIO_EN */ + AM33XX_PADCONF(AM335X_PIN_GPMC_A9, PIN_OUTPUT_PULLUP, MUX_MODE7) + + /* gpmc_ad12.mmc2_dat0 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD12, PIN_INPUT_PULLUP, MUX_MODE3) + + /* gpmc_ad13.mmc2_dat1 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD13, PIN_INPUT_PULLUP, MUX_MODE3) + + /* gpmc_ad14.mmc2_dat2 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD14, PIN_INPUT_PULLUP, MUX_MODE3) + + /* gpmc_ad15.mmc2_dat3 */ + AM33XX_PADCONF(AM335X_PIN_GPMC_AD15, PIN_INPUT_PULLUP, MUX_MODE3) + + /* gpmc_csn3.mmc2_cmd */ + AM33XX_PADCONF(AM335X_PIN_GPMC_CSN3, PIN_INPUT_PULLUP, MUX_MODE3) + + /* gpmc_clk.mmc2_clk */ + AM33XX_PADCONF(AM335X_PIN_GPMC_CLK, PIN_INPUT_PULLUP, MUX_MODE3) + >; + }; + + bluetooth_pins: pinmux_bluetooth_pins { + pinctrl-single,pins = < + /* event_intr0.gpio0_19 */ + AM33XX_PADCONF(AM335X_PIN_XDMA_EVENT_INTR0, PIN_INPUT_PULLUP, MUX_MODE7) + >; + }; + + uart1_pins: pinmux_uart1_pins { + pinctrl-single,pins = < + /* uart1_rxd */ + AM33XX_PADCONF(AM335X_PIN_UART1_RXD, PIN_INPUT, MUX_MODE0) + + /* uart1_txd */ + AM33XX_PADCONF(AM335X_PIN_UART1_TXD, PIN_INPUT, MUX_MODE0) + + /* uart1_ctsn */ + AM33XX_PADCONF(AM335X_PIN_UART1_CTSN, PIN_INPUT_PULLDOWN, MUX_MODE0) + + /* uart1_rtsn */ + AM33XX_PADCONF(AM335X_PIN_UART1_RTSN, PIN_OUTPUT_PULLDOWN, MUX_MODE0) + >; + }; +}; + +&i2c2 { + status = "disabled"; +}; + +&mmc3 { + status = "okay"; + vmmc-supply = <&wlan_en_reg>; + bus-width = <4>; + non-removable; + cap-power-off-card; + ti,needs-special-hs-handling; + keep-power-in-suspend; + pinctrl-names = "default"; + pinctrl-0 = <&mmc3_pins>; + dmas = <&edma_xbar 12 0 1 + &edma_xbar 13 0 2>; + dma-names = "tx", "rx"; + clock-frequency = <50000000>; + max-frequency = <50000000>; +}; + +&uart1 { + status = "okay"; + + bluetooth { + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins &bluetooth_pins>; + compatible = "qcom,qca6174-bt"; + enable-gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>; + clocks = <&l4ls_clkctrl AM3_L4LS_UART2_CLKCTRL 0>; + interrupt-parent = <&gpio0>; + interrupts = <19 IRQ_TYPE_EDGE_RISING>; + }; +}; base-commit: 754e0b0e35608ed5206d6a67a791563c631cec07 -- 2.35.1