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[1/2] arm64: dts: a64-olinuxino: Enable RTL8723BS WiFi

Message ID 1512119165-15290-1-git-send-email-jagan@amarulasolutions.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jagan Teki Dec. 1, 2017, 9:06 a.m. UTC 
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

To make rtl8723bs chip to work build it as module to and run
CONFIG_RTL8723BS=m

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
---
 .../boot/dts/allwinner/sun50i-a64-olinuxino.dts    | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

Maxime Ripard Dec. 1, 2017, 4:02 p.m. UTC | #1 
On Fri, Dec 01, 2017 at 02:36:04PM +0530, Jagan Teki wrote:
> 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
> 
> To make rtl8723bs chip to work build it as module to and run
> CONFIG_RTL8723BS=m

You can definitely use that driver without building it as a module.

Once that part of the commit log has been removed,
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>

Maxime
diff mbox

Patch

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 = <&reg_aldo2>;
+	vqmmc-supply = <&reg_dldo4>;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	bus-width = <4>;
+	non-removable;
+	status = "okay";
+
+	rtl8723bs: wifi@1 {
+		reg = <1>;
+		interrupt-parent = <&r_pio>;
+		interrupts = <0 3 IRQ_TYPE_LEVEL_LOW>; /* PL3 */
+		interrupt-names = "host-wake";
+	};
+};
+
 &r_rsb {
 	status = "okay";