linux-kernel - [PATCH v3 3/4] arm64: dts: rockchip: add backlight support for rk3399 evb board

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Message-Id: <1466564076-18306-1-git-send-email-ykk@rock-chips.com>
Date:	Wed, 22 Jun 2016 10:54:36 +0800
From:	Yakir Yang <ykk@...k-chips.com>
To:	Heiko Stuebner <heiko@...ech.de>,
	Kumar Gala <galak@...eaurora.org>,
	Rob Herring <robh+dt@...nel.org>,
	Olof Johansson <olof@...om.net>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>
Cc:	Mark Yao <mark.yao@...k-chips.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	Yakir Yang <ykk@...k-chips.com>
Subject: [PATCH v3 3/4] arm64: dts: rockchip: add backlight support for rk3399 evb board

Add backlight node for evb board, perpare for panel device node.

Signed-off-by: Yakir Yang <ykk@...k-chips.com>
---
Changes in v3: None
Changes in v2:
- provide some minimal patch description (Heiko)

 arch/arm64/boot/dts/rockchip/rk3399-evb.dts | 40 +++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
index 1a3eb14..31d9e27 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-evb.dts
@@ -75,6 +75,46 @@
 		regulator-always-on;
 		regulator-boot-on;
 	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm0 0 25000 0>;
+		brightness-levels = <
+			  0   1   2   3   4   5   6   7
+			  8   9  10  11  12  13  14  15
+			 16  17  18  19  20  21  22  23
+			 24  25  26  27  28  29  30  31
+			 32  33  34  35  36  37  38  39
+			 40  41  42  43  44  45  46  47
+			 48  49  50  51  52  53  54  55
+			 56  57  58  59  60  61  62  63
+			 64  65  66  67  68  69  70  71
+			 72  73  74  75  76  77  78  79
+			 80  81  82  83  84  85  86  87
+			 88  89  90  91  92  93  94  95
+			 96  97  98  99 100 101 102 103
+			104 105 106 107 108 109 110 111
+			112 113 114 115 116 117 118 119
+			120 121 122 123 124 125 126 127
+			128 129 130 131 132 133 134 135
+			136 137 138 139 140 141 142 143
+			144 145 146 147 148 149 150 151
+			152 153 154 155 156 157 158 159
+			160 161 162 163 164 165 166 167
+			168 169 170 171 172 173 174 175
+			176 177 178 179 180 181 182 183
+			184 185 186 187 188 189 190 191
+			192 193 194 195 196 197 198 199
+			200 201 202 203 204 205 206 207
+			208 209 210 211 212 213 214 215
+			216 217 218 219 220 221 222 223
+			224 225 226 227 228 229 230 231
+			232 233 234 235 236 237 238 239
+			240 241 242 243 244 245 246 247
+			248 249 250 251 252 253 254 255>;
+		default-brightness-level = <200>;
+		enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
+	};
 };
 
 &pwm0 {
-- 
1.9.1