Thread (11 messages) 11 messages, 4 authors, 2018-05-18

Re: [PATCH V1 2/5] backlight: qcom-wled: Add support for WLED4 peripheral

From: <hidden>
Date: 2018-05-15 04:55:59
Also in: dri-devel, linux-arm-msm, linux-fbdev, linux-leds, lkml

On 2018-05-14 22:27, Pavel Machek wrote:
Hi!
quoted
WLED4 peripheral is present on some PMICs like pmi8998
and pm660l. It has a different register map and also
configurations are different. Add support for it.

Signed-off-by: Kiran Gunda <redacted>
---
 .../bindings/leds/backlight/qcom-wled.txt          | 172 ++++-
 drivers/video/backlight/qcom-wled.c                | 749 
+++++++++++++++------
 2 files changed, 696 insertions(+), 225 deletions(-)
diff --git 
a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt 
b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt
index fb39e32..0ceffa1 100644
--- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt
+++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.txt
@@ -1,30 +1,129 @@
 Binding for Qualcomm Technologies, Inc. WLED driver

-Required properties:
-- compatible: should be "qcom,pm8941-wled"
-- reg: slave address
-
-Optional properties:
-- default-brightness: brightness value on boot, value from: 0-4095
-	default: 2048
+- compatible
+	Usage:        required
+	Value type:   <string>
+	Definition:   should be "qcom,pm8941-wled" or "qcom,pmi8998-wled".
+		      or "qcom,pm660l-wled".
+
+- reg
+	Usage:        required
+	Value type:   <prop encoded array>
+	Definition:   Base address of the WLED modules.
I'm not sure if this change of format is good idea here...

									Pavel
--
This format is clean and easily readable. That's why I have moved to 
this format.
To avoid confusion, I will move out the existing properties 
(pm8941-wled.c) to other
patch. So that it will be easy to review.
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