linux-kernel - [PATCH 8/8] arm64: dts: rockchip: RockPro64: enable wifi module at sdio0

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Message-Id: <20191209223822.27236-8-smoch@web.de>
Date:   Mon,  9 Dec 2019 23:38:22 +0100
From:   Soeren Moch <smoch@....de>
To:     Kalle Valo <kvalo@...eaurora.org>
Cc:     Soeren Moch <smoch@....de>, Heiko Stuebner <heiko@...ech.de>,
        linux-wireless@...r.kernel.org,
        brcm80211-dev-list.pdl@...adcom.com,
        brcm80211-dev-list@...ress.com, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 8/8] arm64: dts: rockchip: RockPro64: enable wifi module at sdio0

RockPro64 supports an Ampak AP6359SA based wifi/bt combo module.
The BCM4359/9 wifi controller in this module is connected to sdio0,
enable this interface.

Signed-off-by: Soeren Moch <smoch@....de>
---
Not sure where to place exactly the sdio0 node in the dts because
existing sd nodes are not sorted alphabetically.

This last patch in this brcmfmac patch series probably should be picked
up by Heiko independently of the rest of this series. It was sent together
to show how this brcmfmac extension for 4359-sdio support with RSDB is
used and tested.

Cc: Heiko Stuebner <heiko@...ech.de>
Cc: Kalle Valo <kvalo@...eaurora.org>
Cc: linux-wireless@...r.kernel.org
Cc: brcm80211-dev-list.pdl@...adcom.com
Cc: brcm80211-dev-list@...ress.com
Cc: netdev@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-rockchip@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
---
 .../boot/dts/rockchip/rk3399-rockpro64.dts    | 21 ++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
index 7f4b2eba31d4..9fa92790d6e0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
@@ -71,13 +71,6 @@
 		clock-names = "ext_clock";
 		pinctrl-names = "default";
 		pinctrl-0 = <&wifi_enable_h>;
-
-		/*
-		 * On the module itself this is one of these (depending
-		 * on the actual card populated):
-		 * - SDIO_RESET_L_WL_REG_ON
-		 * - PDN (power down when low)
-		 */
 		reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
 	};

@@ -650,6 +643,20 @@
 	status = "okay";
 };

+&sdio0 {
+	bus-width = <4>;
+	cap-sd-highspeed;
+	cap-sdio-irq;
+	disable-wp;
+	keep-power-in-suspend;
+	mmc-pwrseq = <&sdio_pwrseq>;
+	non-removable;
+	pinctrl-names = "default";
+	pinctrl-0 = <&sdio0_bus4 &sdio0_cmd &sdio0_clk>;
+	sd-uhs-sdr104;
+	status = "okay";
+};
+
 &sdmmc {
 	bus-width = <4>;
 	cap-sd-highspeed;
--
2.17.1