From 70539a529806f3b7d4b66282347e17599dacd64b Mon Sep 17 00:00:00 2001 From: Hari Nagalla Date: Fri, 27 Apr 2018 17:38:59 +0530 Subject: [PATCH] ARM: dts: dra72-evm-common: Add wilink8 wlan support Wilink8 module is a combo wireless connectivity card based on Texas Instrument's wl18xx solution. Add support for the wlan capabilities of this module by muxing the relevant mmc lines, and setting the required device-tree data. Signed-off-by: Eyal Reizer Signed-off-by: Hari Nagalla [nsekhar@ti.com: drop WLAN_EN pinmux. It should be done by bootloader. Also, some commit message adjustments] Signed-off-by: Sekhar Nori Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/dra72-evm-common.dtsi | 42 +++++++++++++++++++++++ arch/arm/boot/dts/dra72x-mmc-iodelay.dtsi | 11 ++++++ 2 files changed, 53 insertions(+) diff --git a/arch/arm/boot/dts/dra72-evm-common.dtsi b/arch/arm/boot/dts/dra72-evm-common.dtsi index 8e3b185d864b..b81214051a89 100644 --- a/arch/arm/boot/dts/dra72-evm-common.dtsi +++ b/arch/arm/boot/dts/dra72-evm-common.dtsi @@ -44,6 +44,16 @@ regulator-boot-on; }; + evm_3v6: fixedregulator-evm_3v6 { + compatible = "regulator-fixed"; + regulator-name = "evm_3v6"; + regulator-min-microvolt = <3600000>; + regulator-max-microvolt = <3600000>; + vin-supply = <&evm_5v0>; + regulator-always-on; + regulator-boot-on; + }; + vsys_3v3: fixedregulator-vsys3v3 { /* Output 2 of TPS43351QDAPRQ1 on dra72-evm */ /* Output 2 of LM5140QRWGTQ1 on dra71-evm */ @@ -171,6 +181,15 @@ clocks = <&atl_clkin2_ck>; }; }; + + vmmcwl_fixed: fixedregulator-mmcwl { + compatible = "regulator-fixed"; + regulator-name = "vmmcwl_fixed"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio5 8 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; }; &dra7_pmx_core { @@ -398,6 +417,29 @@ max-frequency = <192000000>; }; +&mmc4 { + status = "okay"; + vmmc-supply = <&evm_3v6>; + vqmmc-supply = <&vmmcwl_fixed>; + bus-width = <4>; + cap-power-off-card; + keep-power-in-suspend; + non-removable; + pinctrl-names = "default", "hs", "sdr12", "sdr25"; + pinctrl-0 = <&mmc4_pins_default>; + pinctrl-1 = <&mmc4_pins_default>; + pinctrl-2 = <&mmc4_pins_default>; + pinctrl-3 = <&mmc4_pins_default>; + #address-cells = <1>; + #size-cells = <0>; + wifi@2 { + compatible = "ti,wl1835"; + reg = <2>; + interrupt-parent = <&gpio5>; + interrupts = <7 IRQ_TYPE_EDGE_RISING>; + }; +}; + &mac { status = "okay"; }; diff --git a/arch/arm/boot/dts/dra72x-mmc-iodelay.dtsi b/arch/arm/boot/dts/dra72x-mmc-iodelay.dtsi index 088013c6dc6e..edad87c4292c 100644 --- a/arch/arm/boot/dts/dra72x-mmc-iodelay.dtsi +++ b/arch/arm/boot/dts/dra72x-mmc-iodelay.dtsi @@ -202,6 +202,17 @@ DRA7XX_CORE_IOPAD(0x3498, PIN_INPUT_PULLUP | MODE_SELECT | MUX_MODE1) /* gpmc_a22.mmc2_dat7 */ >; }; + + mmc4_pins_default: mmc4_pins_default { + pinctrl-single,pins = < + DRA7XX_CORE_IOPAD(0x37e8, PIN_INPUT_PULLUP | MUX_MODE3) /* uart1_ctsn.mmc4_clk */ + DRA7XX_CORE_IOPAD(0x37ec, PIN_INPUT_PULLUP | MUX_MODE3) /* uart1_rtsn.mmc4_cmd */ + DRA7XX_CORE_IOPAD(0x37f0, PIN_INPUT_PULLUP | MUX_MODE3) /* uart2_rxd.mmc4_dat0 */ + DRA7XX_CORE_IOPAD(0x37f4, PIN_INPUT_PULLUP | MUX_MODE3) /* uart2_txd.mmc4_dat1 */ + DRA7XX_CORE_IOPAD(0x37f8, PIN_INPUT_PULLUP | MUX_MODE3) /* uart2_ctsn.mmc4_dat2 */ + DRA7XX_CORE_IOPAD(0x37fc, PIN_INPUT_PULLUP | MUX_MODE3) /* uart2_rtsn.mmc4_dat3 */ + >; + }; }; &dra7_iodelay_core {