From 3adfbaf0123bdbf2d2d191d6ed854469ba043e06 Mon Sep 17 00:00:00 2001 From: Chaoyi Chen Date: Tue, 11 Mar 2025 02:19:59 +0000 Subject: [PATCH] arm64: dts: rockchip: Add backlight for rv1126b-evb Change-Id: I9252ca0ea4f18ea8cdde86f7b40395be6817d118 Signed-off-by: Chaoyi Chen --- arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi | 39 +++++++++++++++++++ .../boot/dts/rockchip/rv1126b-evb1-v10.dts | 9 +++++ .../boot/dts/rockchip/rv1126b-evb2-v10.dts | 8 ++++ 3 files changed, 56 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi b/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi index 4f87eb12ef3f..e928916220ce 100644 --- a/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi +++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb.dtsi @@ -10,6 +10,45 @@ bootargs = "earlycon=uart8250,mmio32,0x20810000 console=ttyFIQ0 root=/dev/mmcblk0p5 rootfstype=ext4 rootwait snd_soc_core.prealloc_buffer_size_kbytes=16 coherent_pool=32K"; }; + backlight: backlight { + compatible = "pwm-backlight"; + brightness-levels = < + 0 20 20 21 21 22 22 23 + 23 24 24 25 25 26 26 27 + 27 28 28 29 29 30 30 31 + 31 32 32 33 33 34 34 35 + 35 36 36 37 37 38 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>; + }; + vcc12v_dcin: vcc12v-dcin { compatible = "regulator-fixed"; regulator-name = "vcc12v_dcin"; diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts index 29e783e0529b..3762ab4577e3 100644 --- a/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb1-v10.dts @@ -12,6 +12,10 @@ compatible = "rockchip,rv1126b-evb1-v10", "rockchip,rv1126b"; }; +&backlight { + pwms = <&pwm2_8ch_4 0 25000 0>; +}; + &i2c0 { status = "okay"; @@ -132,3 +136,8 @@ }; }; }; + +&pwm2_8ch_4 { + pinctrl-0 = <&pwm2m1_ch4_pins>; + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10.dts b/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10.dts index f34bd8152220..d61b01ddb07f 100644 --- a/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rv1126b-evb2-v10.dts @@ -156,6 +156,10 @@ }; }; +&backlight { + pwms = <&pwm2_8ch_7 0 25000 0>; +}; + &pwm0_8ch_0 { status = "okay"; }; @@ -167,3 +171,7 @@ &pwm0_8ch_2 { status = "okay"; }; + +&pwm2_8ch_7 { + status = "okay"; +};