Hi Akash,
Am Freitag, 14. September 2018, 14:09:09 CEST schrieb Akash Gajjar:
> Rockpro64 board is a rockchip RK3399 based board from pine64.org.
> This commit adds initial device tree support for Rockpro64 board.
>
> Signed-off-by: Akash Gajjar <akash_gaj...@mentor.com>
generally the patch looks great already. Hopefully we will get an Ack
from the dt-maintaintainers for the binding and I noticed two small
issues I'll describe below.
> ---
> Documentation/devicetree/bindings/arm/rockchip.txt | 4 +
> arch/arm64/boot/dts/rockchip/Makefile | 1 +
> arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts | 770
> +++++++++++++++++++++
> 3 files changed, 775 insertions(+)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
>
> diff --git a/Documentation/devicetree/bindings/arm/rockchip.txt
> b/Documentation/devicetree/bindings/arm/rockchip.txt
> index acfd3c7..ac95183 100644
> --- a/Documentation/devicetree/bindings/arm/rockchip.txt
> +++ b/Documentation/devicetree/bindings/arm/rockchip.txt
> @@ -160,6 +160,10 @@ Rockchip platforms device tree bindings
> Required root node properties:
> - compatible = "pine64,rock64", "rockchip,rk3328";
>
> +- Pine64 RockPro64 board:
> + Required root node properties:
> + - compatible = "pine64,rockpro64", "rockchip,rk3399";
> +
> - Rockchip PX3 Evaluation board:
> Required root node properties:
> - compatible = "rockchip,px3-evb", "rockchip,px3", "rockchip,rk3188";
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile
> b/arch/arm64/boot/dts/rockchip/Makefile
> index b0092d9..03d523a 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -14,5 +14,6 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-firefly.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-gru-bob.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-gru-kevin.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> new file mode 100644
> index 0000000..9e2d4d9
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> @@ -0,0 +1,770 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd.
Rockchip copyright from 2017? Where is the original
dts coming from?
> + */
> +
> +/dts-v1/;
> +#include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/pwm/pwm.h>
> +#include "rk3399.dtsi"
> +#include "rk3399-opp.dtsi"
> +
> +/ {
> + model = "Pine64 RockPro64";
> + compatible = "pine64,rockpro64", "rockchip,rk3399";
> +
> + chosen {
> + stdout-path = "serial2:1500000n8";
> + };
> +
> + backlight: backlight {
> + compatible = "pwm-backlight";
> + enable-gpios = <&gpio1 RK_PB5 GPIO_ACTIVE_HIGH>;
> + 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>;
with recent additions to the pwm-backlight we shouldn't need the
long brightness-levels table and default-brightness-level anymore.
Heiko
