From fdcc50103cd061d06a6ab6ea3c2c4d4c9468792a Mon Sep 17 00:00:00 2001 From: Hari Nagalla Date: Fri, 27 Apr 2018 17:39:01 +0530 Subject: [PATCH] ARM: dts: dra7-evm: Add wilink8 wlan support The wilink module is a combo wireless connectivity sdio card based on Texas Instrument's wl18xx solution. It is a 4-wire, 1.8V, embedded sdio wlan device with an external irq line and is power-controlled by a gpio-based fixed regulator. Add pinmux configuration and IODelay values for MMC4. On dra7-evm, MMC4 is used for connecting to wilink module. IODelay data credits to : Vishal Mahaveer and Sekhar Nori Signed-off-by: Ido Yariv Signed-off-by: Eyal Reizer Signed-off-by: Hari Nagalla Signed-off-by: Sekhar Nori Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/dra7-evm-common.dtsi | 15 +++++++++++++++ arch/arm/boot/dts/dra7-evm.dts | 25 +++++++++++++++++++++++++ 2 files changed, 40 insertions(+) diff --git a/arch/arm/boot/dts/dra7-evm-common.dtsi b/arch/arm/boot/dts/dra7-evm-common.dtsi index 05a7b1a..33230c8 100644 --- a/arch/arm/boot/dts/dra7-evm-common.dtsi +++ b/arch/arm/boot/dts/dra7-evm-common.dtsi @@ -260,3 +260,18 @@ &pcie1_rc { status = "okay"; }; + +&mmc4 { + bus-width = <4>; + cap-power-off-card; + keep-power-in-suspend; + non-removable; + #address-cells = <1>; + #size-cells = <0>; + wifi@2 { + compatible = "ti,wl1835"; + reg = <2>; + interrupt-parent = <&gpio5>; + interrupts = <7 IRQ_TYPE_EDGE_RISING>; + }; +}; diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts index 181289a..704947c 100644 --- a/arch/arm/boot/dts/dra7-evm.dts +++ b/arch/arm/boot/dts/dra7-evm.dts @@ -96,6 +96,16 @@ regulator-boot-on; }; + vmmcwl_fixed: fixedregulator-mmcwl { + compatible = "regulator-fixed"; + regulator-name = "vmmcwl_fixed"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + gpio = <&gpio5 8 0>; + startup-delay-us = <70000>; + enable-active-high; + }; + extcon_usb2: extcon_usb2 { compatible = "linux,extcon-usb-gpio"; id-gpio = <&pcf_gpio_21 2 GPIO_ACTIVE_HIGH>; @@ -376,6 +386,21 @@ pinctrl-5 = <&mmc2_pins_hs200 &mmc2_iodelay_hs200_rev20_conf>; }; +&mmc4 { + status = "okay"; + vmmc-supply = <&evm_3v6>; + vqmmc-supply = <&vmmcwl_fixed>; + pinctrl-names = "default-rev11", "default", "hs-rev11", "hs", "sdr12-rev11", "sdr12", "sdr25-rev11", "sdr25"; + pinctrl-0 = <&mmc4_pins_default &mmc4_iodelay_ds_rev11_conf>; + pinctrl-1 = <&mmc4_pins_default &mmc4_iodelay_ds_rev20_conf>; + pinctrl-2 = <&mmc4_pins_hs &mmc4_iodelay_sdr12_hs_sdr25_rev11_conf>; + pinctrl-3 = <&mmc4_pins_hs &mmc4_iodelay_sdr12_hs_sdr25_rev20_conf>; + pinctrl-4 = <&mmc4_pins_sdr12 &mmc4_iodelay_sdr12_hs_sdr25_rev11_conf>; + pinctrl-5 = <&mmc4_pins_sdr12 &mmc4_iodelay_sdr12_hs_sdr25_rev20_conf>; + pinctrl-6 = <&mmc4_pins_sdr25 &mmc4_iodelay_sdr12_hs_sdr25_rev11_conf>; + pinctrl-7 = <&mmc4_pins_sdr25 &mmc4_iodelay_sdr12_hs_sdr25_rev20_conf>; +}; + &cpu0 { vdd-supply = <&smps123_reg>; }; -- 2.7.4