Firefly wifi mainline patches

[Michael Trimarchi]

Hi

On Wed, Jul 22, 2015 at 06:36:39AM -0700, Doug Anderson wrote:
> Hi,
> 
> On Tue, Jul 21, 2015 at 10:58 PM, Michael Trimarchi
> <michael at amarulasolutions.com> wrote:
> > Hi
> >
> >
> > On Tue, Jul 21, 2015 at 2:51 PM, Michael Trimarchi
> > <michael at amarulasolutions.com> wrote:
> >> Hi
> >>
> >> I have managed to let my wifi working using mainline but I have
> >> problem on clocking. Right now I can not rise the clock more the 5Mhz
> >> even it's suppose to work up to 50Mhz. Anyone is working on it right
> >> now?
> >>
> >
> > I put in attach two patches that I need on my version. Another problem
> > is that execute_tuning is not defined in the dw_mmc-rockchip so
> > ENOSYS is returned. I think that we have two way:
> >
> > 1) put a stub
> > 2) define 0 as default error
> 
> I don't think you should be trying to tune until the tuning patches
> are landed.  Alexandru sent them up a while ago but they need to be
> respun.  I seem to remember Alexandru saying that it decided your
> controller was UHS capable if you didn't specify any capabilities, so
> maybe that's it.
> 
> Try adding this to your SDIO port in the dts:
> 
> cap-sd-highspeed;

I have rebase on https://github.com/mmind/linux-rockchip
mainline/devel/upstream. Need to do some more test here and not
yet ready for mainline

>From f076b38f6056404cea11b1c5f4595dfe5b7e5aef Mon Sep 17 00:00:00 2001
From: Michael Trimarchi <michael at amarulasolutions.com>
Date: Thu, 23 Jul 2015 21:39:44 +0200
Subject: [PATCH] ARM: dts: rockchip: add wifi support to firefly board

This patch add the wifi support to firefly. In order to use
the user need the ap6535 specific wifi firmware. vcc_wifi
regulator is set to 2V in order to workaround the fact
that the card answer to not support 1.8V power.

Signed-off-by: Michael Trimarchi <michael at amarulasolutions.com>
---
 arch/arm/boot/dts/rk3288-firefly.dtsi | 35 +++++++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/rk3288-firefly.dtsi b/arch/arm/boot/dts/rk3288-firefly.dtsi
index 20fa0ef..2958cd2 100644
--- a/arch/arm/boot/dts/rk3288-firefly.dtsi
+++ b/arch/arm/boot/dts/rk3288-firefly.dtsi
@@ -117,6 +117,21 @@
 		vin-supply = <&vcc_io>;
 	};
 
+	vcc_wifi: wifi-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio4 28 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&sdio0_pwr>;
+		regulator-name = "vcc_wifi";
+		regulator-min-microvolt = <2000000>;
+		regulator-max-microvolt = <2000000>;
+		startup-delay-us = <100000>;
+		regulator-always-on;
+		vin-supply = <&vcc_io>;
+	};
+
+
 	vcc_flash: flash-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_flash";
@@ -440,13 +455,29 @@
 &sdio0 {
 	broken-cd;
 	bus-width = <4>;
+	clock-freq-min-max = <400000 20000000>;
 	disable-wp;
 	non-removable;
+	cap-sd-highspeed;
 	num-slots = <1>;
 	pinctrl-names = "default";
-	pinctrl-0 = <&sdio0_bus4>, <&sdio0_cmd>, <&sdio0_clk>;
-	vmmc-supply = <&vcc_18>;
+	pinctrl-0 = <&sdio0_bus4>, <&sdio0_cmd>, <&sdio0_clk>, <&sdio0_int>;
+
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	cap-sdio-irq;
+
+	vmmc-supply = <&vcc_wifi>;
 	status = "okay";
+
+	brcmf: bcrmf at 1 {
+		compatible = "brcm,bcm4329-fmac";
+		interrupt-parent = <&gpio4>;
+		reg = <0>;
+		interrupts = <30 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-names = "host-wake";
+		status = "okay";
+	};
 };
 
 &sdmmc {
-- 
1.9.1

-- 
| Michael Nazzareno Trimarchi                     Amarula Solutions BV |
| COO  -  Founder                                      Cruquiuskade 47 |
| +31(0)851119172                                 Amsterdam 1018 AM NL |
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