Re: [PATCH v9 09/15] dt: bindings: lp55xx: Update binding for Multicolor Framework

From: Dan Murphy
Date: Thu Sep 26 2019 - 07:55:33 EST


Jacek

On 9/25/19 4:34 PM, Jacek Anaszewski wrote:
Dan,

On 9/25/19 7:46 PM, Dan Murphy wrote:
Update the DT binding to include the properties to use the
multicolor framework for the devices that use the LP55xx
framework.

Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
CC: Tony Lindgren <tony@xxxxxxxxxxx>
CC: "BenoÃt Cousson" <bcousson@xxxxxxxxxxxx>
CC: Linus Walleij <linus.walleij@xxxxxxxxxx>
CC: Shawn Guo <shawnguo@xxxxxxxxxx>
CC: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
CC: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
CC: Fabio Estevam <festevam@xxxxxxxxx>
CC: NXP Linux Team <linux-imx@xxxxxxx>
---
.../devicetree/bindings/leds/leds-lp55xx.txt | 99 +++++++++++++++++++
1 file changed, 99 insertions(+)

diff --git a/Documentation/devicetree/bindings/leds/leds-lp55xx.txt b/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
index bfe2805c5534..c120d2bde3bd 100644
--- a/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
+++ b/Documentation/devicetree/bindings/leds/leds-lp55xx.txt
@@ -1,6 +1,8 @@
Binding for TI/National Semiconductor LP55xx LED Drivers
Required properties:
+- #address-cells: 1
+- #size-cells: 0
- compatible: one of
national,lp5521
national,lp5523
@@ -14,6 +16,18 @@ Required properties:
Each child has own specific current settings
- led-cur: Current setting at each LED channel (mA x10, 0 if LED is not connected)
- max-cur: Maximun current at each LED channel.
+- reg: Output channel for the LED. This is zero based channel identifier and
+ the data sheet is a one based channel identifier.
+ reg value to output to LED output number
+ D1 = reg value is 0
+ D2 = reg value is 1
+ D3 = reg value is 2
+ D4 = reg value is 3
+ D5 = reg value is 4
+ D6 = reg value is 5
+ D7 = reg value is 6
+ D8 = reg value is 7
+ D9 = reg value is 8
Optional properties:
- enable-gpio: GPIO attached to the chip's enable pin
@@ -35,23 +49,28 @@ example 1) LP5521
on channel 0.
lp5521@32 {
+ #address-cells = <1>;
+ #size-cells = <0>;
compatible = "national,lp5521";
reg = <0x32>;
label = "lp5521_pri";
clock-mode = /bits/ 8 <2>;
chan0 {
s/chan0/chan@0/

The same applies to the remaining occurrences in this file and to
the other patches from the patch set as already pointed out.

Ack. I have made the same change across all the DT patches in this series

Dan


+ reg = <0>;
led-cur = /bits/ 8 <0x2f>;
max-cur = /bits/ 8 <0x5f>;
linux,default-trigger = "heartbeat";
};