Re: [PATCH] arm64: dts: rockchip: add initial dts support for Rockpro64 board

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Am Samstag, 15. September 2018, 11:03:57 CEST schrieb agajjar:
> Hi Heiko,
> 
> On 9/14/2018 11:23 PM, Heiko Stuebner wrote:
> > 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_Gajjar@xxxxxxxxxx>
> > 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?
> 
> Rockpro64 board is similar to firefly rk-3399 board. DTS is taken from 
> firefly board and it is booting fine with minimal changes.
> 
> Should I continue with the rockchip rights or update with the mine copy 
> rights?

I guess, you could keep the old one and add a second line for 2018 and
your copyright, as you also added changes to it.


> >> + */
> >> +
> >> +/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.
> some device support is also needs to be added in this dts. In upcoming 
> patch-sets I will update those changes.

cool, thanks.


Heiko





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