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Groups > linux.kernel > #1486645 > unrolled thread
| Started by | Eric Anholt <eric@anholt.net> |
|---|---|
| First post | 2016-09-19 18:20 +0200 |
| Last post | 2016-09-23 11:30 +0200 |
| Articles | 3 — 3 participants |
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[PATCH 3/3] arm64: Add the Raspberry Pi firmware's interface to the FXL6408. Eric Anholt <eric@anholt.net> - 2016-09-19 18:20 +0200
Re: [PATCH 3/3] arm64: Add the Raspberry Pi firmware's interface to the FXL6408. Gerd Hoffmann <kraxel@redhat.com> - 2016-09-22 22:50 +0200
Re: [PATCH 3/3] arm64: Add the Raspberry Pi firmware's interface to the FXL6408. Linus Walleij <linus.walleij@linaro.org> - 2016-09-23 11:30 +0200
| From | Eric Anholt <eric@anholt.net> |
|---|---|
| Date | 2016-09-19 18:20 +0200 |
| Subject | [PATCH 3/3] arm64: Add the Raspberry Pi firmware's interface to the FXL6408. |
| Message-ID | <sj9st-7HE-21@gated-at.bofh.it> |
This gets us hotplug detection of HDMI, so that graphics now works at
boot. Tested with watching the output of xrandr while plugging and
unplugging the HDMI cable.
Signed-off-by: Eric Anholt <eric@anholt.net>
---
arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
index 7841b724e340..2460b47737e9 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts
@@ -23,8 +23,25 @@
linux,default-trigger = "default-on";
};
};
+
+ soc {
+ fxl6408: firmware-gpio-128 {
+ compatible = "raspberrypi,firmware-gpio";
+ gpio-controller;
+ #gpio-cells = <2>;
+ firmware = <&firmware>;
+ ngpios = <8>;
+ gpio-line-names = "BT_ON", "WL_ON", "", "LAN_RUN", "HPD_N", "CAM_GPIO0", "CAM_GPIO1", "PWR_LOW_N";
+
+ raspberrypi,firmware-gpio-offset = <128>;
+ };
+ };
};
&uart1 {
status = "okay";
};
+
+&hdmi {
+ hpd-gpios = <&fxl6408 4 GPIO_ACTIVE_HIGH>;
+};
--
2.9.3
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| From | Gerd Hoffmann <kraxel@redhat.com> |
|---|---|
| Date | 2016-09-22 22:50 +0200 |
| Subject | Re: [PATCH 3/3] arm64: Add the Raspberry Pi firmware's interface to the FXL6408. |
| Message-ID | <skj6p-2Gg-7@gated-at.bofh.it> |
| In reply to | #1486645 |
On Mo, 2016-09-19 at 17:13 +0100, Eric Anholt wrote: > This gets us hotplug detection of HDMI, so that graphics now works at > boot. Tested with watching the output of xrandr while plugging and > unplugging the HDMI cable. Very nice. Whole patch series: Tested-by: Gerd Hoffmann <kraxel@redhat.com> /me hopes this lands in the 4.9 merge window. cheers, Gerd
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| From | Linus Walleij <linus.walleij@linaro.org> |
|---|---|
| Date | 2016-09-23 11:30 +0200 |
| Subject | Re: [PATCH 3/3] arm64: Add the Raspberry Pi firmware's interface to the FXL6408. |
| Message-ID | <skuXU-1R8-11@gated-at.bofh.it> |
| In reply to | #1489530 |
On Thu, Sep 22, 2016 at 10:44 PM, Gerd Hoffmann <kraxel@redhat.com> wrote: > On Mo, 2016-09-19 at 17:13 +0100, Eric Anholt wrote: >> This gets us hotplug detection of HDMI, so that graphics now works at >> boot. Tested with watching the output of xrandr while plugging and >> unplugging the HDMI cable. > > Very nice. Whole patch series: > > Tested-by: Gerd Hoffmann <kraxel@redhat.com> > > /me hopes this lands in the 4.9 merge window. Sorry no way. I have comments on the driver and bindings. Yours, Linus Walleij
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