[src/trunk]: src/sys/arch/arm/dts Add backlight node and enable pwm

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/0a23afd8d544
branches:  trunk
changeset: 361654:0a23afd8d544
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun May 06 10:43:52 2018 +0000

description:
Add backlight node and enable pwm

diffstat:

 sys/arch/arm/dts/sun50i-a64-pinebook.dts |  17 ++++++++++++++++-
 1 files changed, 16 insertions(+), 1 deletions(-)

diffs (45 lines):

diff -r 2121191387a1 -r 0a23afd8d544 sys/arch/arm/dts/sun50i-a64-pinebook.dts
--- a/sys/arch/arm/dts/sun50i-a64-pinebook.dts  Sun May 06 10:43:32 2018 +0000
+++ b/sys/arch/arm/dts/sun50i-a64-pinebook.dts  Sun May 06 10:43:52 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: sun50i-a64-pinebook.dts,v 1.7 2018/05/05 11:16:30 jmcneill Exp $ */
+/* $NetBSD: sun50i-a64-pinebook.dts,v 1.8 2018/05/06 10:43:52 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2017 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -34,6 +34,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/linux-event-codes.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pwm/pwm.h>
 
 / {
        model = "Pine64 Pinebook";
@@ -63,6 +64,14 @@
                };
        };
 
+       backlight: backlight {
+               compatible = "pwm-backlight";
+               pwms = <&pwm 0 50000 0>;
+               brightness-levels = <0 30 40 50 60 70 80 90 100>;
+               default-brightness-level = <6>;
+               enable-gpios = <&pio 3 23 GPIO_ACTIVE_HIGH>;    /* PD23 */
+       };
+
        reg_vcc3v3: vcc3v3 {
                regulator-fixed;
                regulator-name = "vcc3v3";
@@ -136,6 +145,12 @@
        status = "okay";
 };
 
+&pwm {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pwm0_pins>;
+       status = "okay";
+};
+
 &r_rsb {
        status = "okay";