Hi Ajay,
Am 28.07.2014 08:13, schrieb Ajay kumar:
> On 7/27/14, Andreas Färber <afaerber@xxxxxxx> wrote:
>> Am 25.07.2014 21:22, schrieb Ajay Kumar:
>>> This series is based on exynos-drm-next branch of Inki Dae's tree at:
>>> git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git
>>>
>>> I have tested this after adding few DT changes for exynos5250-snow,
>>> exynos5420-peach-pit and exynos5800-peach-pi boards.
>>
>> I'm trying to test this with a modified exynos5250-spring DT based off
>> kgene's for-next branch due to DT, and I run into the following:
>>
>> CC drivers/gpu/drm/bridge/ptn3460.o
>> drivers/gpu/drm/bridge/ptn3460.c: In function ‘ptn3460_post_encoder_init’:
>> drivers/gpu/drm/bridge/ptn3460.c:275:2: error: implicit declaration of
>> function ‘drm_connector_register’ [-Werror=implicit-function-declaration]
>> drm_connector_register(&ptn_bridge->connector);
>> ^
> Hope this might help:
> http://www.spinics.net/lists/dri-devel/msg60578.html
That fixed my build, thanks.
Unfortunately the most I got on Spring with attached DT was a blank
screen with a white horizontal line in the middle.
Do I need to specify a specific panel model for Spring?
For testing I re-applied your iommu patches (which btw fail now for 5420
due to disp_pd) but didn't know what to do about your panel-lvds
regulator patch now that it's gone.
If I don't apply this series, then commenting out the dp-controller node
gets me a working display with simplefb as before.
Regards,
Andreas
--
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GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
>From 9172a26a8f0d0f0d170bd27e1c150ad204d8086a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20F=C3=A4rber?= <afaerber@xxxxxxx>
Date: Sun, 27 Jul 2014 21:58:06 +0200
Subject: [PATCH] ARM: dts: exynos5250: Add eDP/LVDS bridge to Spring
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
[AF: Redone for v6]
Signed-off-by: Andreas Färber <afaerber@xxxxxxx>
---
arch/arm/boot/dts/exynos5250-spring.dts | 32 +++++++++++++++++++++++++++++++-
1 file changed, 31 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/exynos5250-spring.dts b/arch/arm/boot/dts/exynos5250-spring.dts
index 687dfab86bc8..517b1ff2bfdf 100644
--- a/arch/arm/boot/dts/exynos5250-spring.dts
+++ b/arch/arm/boot/dts/exynos5250-spring.dts
@@ -64,10 +64,14 @@
vdd_pll-supply = <&s5m_ldo8_reg>;
};
+ panel: panel {
+ compatible = "simple-panel";
+ };
+
dp-controller@145B0000 {
status = "okay";
pinctrl-names = "default";
- pinctrl-0 = <&dp_hpd>;
+ pinctrl-0 = <&dp_hpd_gpio>;
samsung,color-space = <0>;
samsung,dynamic-range = <0>;
samsung,ycbcr-coeff = <0>;
@@ -75,6 +79,7 @@
samsung,link-rate = <0x0a>;
samsung,lane-count = <1>;
samsung,hpd-gpio = <&gpc3 0 0>;
+ bridge = <&ps8622>;
};
fixed-rate-clocks {
@@ -387,6 +392,17 @@
status = "okay";
samsung,i2c-sda-delay = <100>;
samsung,i2c-max-bus-freq = <66000>;
+
+ ps8622: ps8622-bridge@08 {
+ compatible = "parade,ps8622";
+ reg = <0x08>;
+ sleep-gpios = <&gpc3 6 0>;
+ reset-gpios = <&gpc3 1 0>;
+ lane-count = <1>;
+ panel = <&panel>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&ps8622_gpios>;
+ };
};
&i2c_8 {
@@ -450,6 +466,20 @@
samsung,pin-pud = <0>;
};
+ dp_hpd_gpio: dp-hpd-gpio {
+ samsung,pins = "gpc3-0";
+ samsung,pin-function = <0>;
+ samsung,pin-pud = <3>;
+ samsung,pin-drv = <0>;
+ };
+
+ ps8622_gpios: ps8622-gpios {
+ samsung,pins = "gpc3-1", "gpc3-6";
+ samsung,pin-function = <1>;
+ samsung,pin-pud = <0>;
+ samsung,pin-drv = <0>;
+ };
+
s5m8767_dvs: s5m8767-dvs {
samsung,pins = "gpd1-0", "gpd1-1", "gpd1-2";
samsung,pin-function = <0>;
--
1.9.3
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