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linux-variscite: Enable support to wl12xx TI wifi module

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Configure device tree to load correctly wl12xx based hardware.

Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
This commit is contained in:
Fabio Berton 2016-11-17 13:37:28 -02:00 committed by Otavio Salvador
parent e3dff3bfcb
commit e8c1429a7b
2 changed files with 85 additions and 0 deletions
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84
recipes-kernel/linux/linux-variscite-4.1.15/imx6qdl-var-som-Enable-wl12xx.patch Normal file
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@ -0,0 +1,84 @@
From 14642037c45996b5288bfec2ce9202f99fa79968 Mon Sep 17 00:00:00 2001
From: Fabio Berton <fabio.berton@ossystems.com.br>
Date: Mon, 26 Sep 2016 10:54:05 -0300
Subject: [PATCH] imx6qdl-var-som: Enable wl12xx
Organization: O.S. Systems Software LTDA.
Upstream-Status: Pending
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
---
arch/arm/boot/dts/imx6qdl-var-som.dtsi | 51 +++++++++++++++-------------------
1 file changed, 22 insertions(+), 29 deletions(-)
diff --git a/arch/arm/boot/dts/imx6qdl-var-som.dtsi b/arch/arm/boot/dts/imx6qdl-var-som.dtsi
index 89e1e3f..66855fe 100644
--- a/arch/arm/boot/dts/imx6qdl-var-som.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-var-som.dtsi
@@ -574,6 +574,7 @@
MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17069
MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17069
MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17069
+#define GPIRQ_WL1271 <&gpio6 17 IRQ_TYPE_LEVEL_HIGH>
MX6QDL_PAD_SD3_DAT7__GPIO6_IO17 0x13059 /* Reserve two pins from sd1 for wl8 gpio, this is pulled low at reset for WL_EN */
MX6QDL_PAD_SD3_RST__GPIO7_IO08 0x13059 /* this is for wl_irq which driver will configure as an input with a pull down */
>;
@@ -815,34 +816,26 @@
status = "okay";
};
-&usdhc3 { /* uSDHC3, TiWi wl1271 7 Wilink8 WL18xx*/
- pinctrl-names = "default", "state_100mhz", "state_200mhz";
- pinctrl-0 = <&pinctrl_usdhc3_2>;
- pinctrl-1 = <&pinctrl_usdhc3_2_100mhz>;
- pinctrl-2 = <&pinctrl_usdhc3_2_200mhz>;
- keep-power-in-suspend;
- enable-sdio-wakeup;
- vmmc-supply = <&wlan_en_reg>;
- bus-width = <4>;
- non-removable;
- cap-power-off-card;
- status = "okay";
- #address-cells = <1>;
- #size-cells = <0>;
- wlcore: wlcore@0 {
- compatible = "ti,wl1835";
- reg = <2>;
-#if 0
- gpio = <177>; /* The wl8 driver expects gpio to be an integer, so gpio6_17 is (6-1)*32+17=207
- irq property must not be set as driver derives irq number from gpio if no irq set
- use edge irqs for suspend/resume */
- platform-quirks = <1>;
-#endif
- interrupt-parent = <&gpio6>;
- interrupts = <17 IRQ_TYPE_EDGE_RISING>;
-
- /* if a 12xx card is there, configure the clock to WL12XX_REFCLOCK_38_XTAL */
- board-ref-clock = <4>;
- };
+&usdhc3 { /* uSDHC3, TiWi wl1271 */
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc3_2>;
+ pinctrl-1 = <&pinctrl_usdhc3_2_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc3_2_200mhz>;
+ bus-width = <4>;
+ non-removable;
+ vmmc-supply = <&wlan_en_reg>;
+ vqmmc-1-8-v;
+ cap-power-off-card;
+ keep-power-in-suspend;
+ status = "okay";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ wlcore: wlcore@2 {
+ compatible = "ti,wl1271";
+ interrupts-extended = GPIRQ_WL1271;
+ reg = <2>;
+ ref-clock-frequency = <38400000>;
+ };
};
+
--
2.1.4

1
recipes-kernel/linux/linux-variscite_4.1.15.bb
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@ -14,6 +14,7 @@ SRC_URI = " \
git://github.com/varigit/linux-2.6-imx.git;protocol=git;branch=${SRCBRANCH} \
file://Fix-the-compile-issue-under-gcc6.patch \
file://0001-mxc_hdmi-mxc_hdmi-allow-EDID-to-select-non-CEA-modes.patch \
file://imx6qdl-var-som-Enable-wl12xx.patch \
file://defconfig \
"