From mboxrd@z Thu Jan 1 00:00:00 1970 From: jagannadh.teki@gmail.com (Jagan Teki) Date: Mon, 4 Dec 2017 10:23:06 +0530 Subject: [PATCH v2 1/2] arm64: dts: a64-olinuxino: Enable RTL8723BS WiFi Message-ID: <1512363187-8353-1-git-send-email-jagan@amarulasolutions.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Enable RTL8723BS WiFi chip on a64-olinuxino board: - WiFi SDIO interface is connected to MMC1 - WiFi REG_ON pin connected to gpio PL2: attach to mmc-pwrseq - WiFi HOST_WAKE pin connected to gpio PL3 Signed-off-by: Jagan Teki Acked-by: Maxime Ripard --- Changes for v2: - Remove wrong commit message .../boot/dts/allwinner/sun50i-a64-olinuxino.dts | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts index 338e7861..8807664 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-olinuxino.dts @@ -57,6 +57,11 @@ chosen { stdout-path = "serial0:115200n8"; }; + + wifi_pwrseq: wifi_pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&r_pio 0 2 GPIO_ACTIVE_LOW>; /* PL2 */ + }; }; &mmc0 { @@ -70,6 +75,24 @@ status = "okay"; }; +&mmc1 { + pinctrl-names = "default"; + pinctrl-0 = <&mmc1_pins>; + vmmc-supply = <®_aldo2>; + vqmmc-supply = <®_dldo4>; + mmc-pwrseq = <&wifi_pwrseq>; + bus-width = <4>; + non-removable; + status = "okay"; + + rtl8723bs: wifi at 1 { + reg = <1>; + interrupt-parent = <&r_pio>; + interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */ + interrupt-names = "host-wake"; + }; +}; + &r_rsb { status = "okay"; -- 2.7.4