From: Sebastian Reichel <sre@kernel.org>
To: "Tony Lindgren" <tony@atomide.com>,
"Benoît Cousson" <bcousson@baylibre.com>
Cc: Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
linux-omap@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Sebastian Reichel <sre@kernel.org>
Subject: [PATCH] ARM: dts: N950: Add wlan support
Date: Sat, 9 Jan 2016 04:19:34 +0100 [thread overview]
Message-ID: <1452309574-12921-1-git-send-email-sre@kernel.org> (raw)
In-Reply-To: <1451482533-8624-4-git-send-email-uri.mashiach@compulab.co.il>
Add support for the wl1271 wlan chip. As far as I can see N9 uses the
same chip with the same enable and irq gpio, but they use the mmc
interface instead of the spi interface.
Signed-off-by: Sebastian Reichel <sre@kernel.org>
---
Hi,
I got working Wifi on Nokia N950 with this patch and the following
patches from Uri Mashiach (using 4.4-rc8 as base):
* wlcore/wl12xx: spi: add power operation function
* wlcore/wl12xx: spi: add device tree support
* wlcore/wl12xx: spi: fix oops on firmware load
-- Sebastian
---
arch/arm/boot/dts/omap3-n950-n9.dtsi | 15 +++++++++++++++
arch/arm/boot/dts/omap3-n950.dts | 29 +++++++++++++++++++++++++++++
2 files changed, 44 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index e9ee1df0e467..655deb99010a 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -31,6 +31,14 @@
startup-delay-us = <150>;
enable-active-high;
};
+
+ vwlan_fixed: fixedregulator@2 {
+ compatible = "regulator-fixed";
+ regulator-name = "VWLAN";
+ gpio = <&gpio2 3 GPIO_ACTIVE_HIGH>; /* gpio 35 */
+ enable-active-high;
+ regulator-boot-off;
+ };
};
&omap3_pmx_core {
@@ -44,6 +52,13 @@
0x132 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3 */
>;
};
+
+ wlan_pins: pinmux_wlan_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x207c, PIN_OUTPUT | MUX_MODE4) /* gpio 35 - wlan enable */
+ OMAP3_CORE1_IOPAD(0x208a, PIN_INPUT | MUX_MODE4) /* gpio 42 - wlan irq */
+ >;
+ };
};
&i2c1 {
diff --git a/arch/arm/boot/dts/omap3-n950.dts b/arch/arm/boot/dts/omap3-n950.dts
index 0885b34d5d7d..e5967262f28b 100644
--- a/arch/arm/boot/dts/omap3-n950.dts
+++ b/arch/arm/boot/dts/omap3-n950.dts
@@ -17,6 +17,17 @@
compatible = "nokia,omap3-n950", "ti,omap36xx", "ti,omap3";
};
+&omap3_pmx_core {
+ spi4_pins: pinmux_spi4_pins {
+ pinctrl-single,pins = <
+ OMAP3_CORE1_IOPAD(0x218c, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mcspi4_clk */
+ OMAP3_CORE1_IOPAD(0x2190, PIN_OUTPUT | MUX_MODE1) /* mcspi4_simo */
+ OMAP3_CORE1_IOPAD(0x2192, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mcspi4_somi */
+ OMAP3_CORE1_IOPAD(0x2196, PIN_OUTPUT | MUX_MODE1) /* mcspi4_cs0 */
+ >;
+ };
+};
+
&i2c2 {
smia_1: camera@10 {
compatible = "nokia,smia";
@@ -53,3 +64,21 @@
};
};
};
+
+&mcspi4 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi4_pins>;
+
+ wlcore: wlcore@0 {
+ compatible = "ti,wl1271";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wlan_pins>;
+ reg = <0>;
+ spi-max-frequency = <48000000>;
+ clock-xtal;
+ ref-clock-frequency = <38400000>;
+ interrupts-extended = <&gpio2 10 IRQ_TYPE_LEVEL_HIGH>; /* gpio 42 */
+ vwlan-supply = <&vwlan_fixed>;
+ };
+};
--
2.6.4
parent reply other threads:[~2016-01-09 3:20 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <1451482533-8624-4-git-send-email-uri.mashiach@compulab.co.il>]
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