linux-kernel - [PATCH 4/6] ARM: dt: t20 ventana: set pinmux and power for wlan

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Date:	Mon, 27 Aug 2012 18:25:12 +0800
From:	Wei Ni <wni@...dia.com>
To:	<swarren@...dotorg.org>, <brudley@...adcom.com>,
	<rvossen@...adcom.com>
CC:	<krakesh@...dia.com>, <ldewangan@...dia.com>,
	<linux-tegra@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-wireless@...r.kernel.org>,
	<brcm80211-dev-list@...adcom.com>, Wei Ni <wni@...dia.com>
Subject: [PATCH 4/6] ARM: dt: t20 ventana: set pinmux and power for wlan

Configure pinmux as required for WiFi.
Enable the SDHCI1 controller, which is connectted to the WiFi module.

Signed-off-by: Wei Ni <wni@...dia.com>
---
 arch/arm/boot/dts/tegra20-ventana.dts |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts
index 4ec6b4c..3cbe54c 100644
--- a/arch/arm/boot/dts/tegra20-ventana.dts
+++ b/arch/arm/boot/dts/tegra20-ventana.dts
@@ -237,6 +237,16 @@
 					"ld23_22";
 				nvidia,pull = <1>;
 			};
+			drive_sdio1 {
+				nvidia,pins = "drive_sdio1";
+				nvidia,high-speed-mode = <0>;
+				nvidia,schmitt = <1>;
+				nvidia,low-power-mode = <3>;
+				nvidia,pull-down-strength = <31>;
+				nvidia,pull-up-strength = <31>;
+				nvidia,slew-rate-rising = <3>;
+				nvidia,slew-rate-falling = <3>;
+			};
 		};
 	};
 
@@ -454,6 +464,11 @@
 		status = "okay";
 	};
 
+	sdhci@...00000 {
+		status = "okay";
+		power-gpios = <&gpio 86 0>; /* gpio PK6 */
+	};
+
 	sdhci@...00400 {
 		status = "okay";
 		cd-gpios = <&gpio 69 0>; /* gpio PI5 */
-- 
1.7.1

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