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Message-ID: <2506786.bBPgq83TQz@phil>
Date: Sat, 15 Sep 2018 20:47:33 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: agajjar <Akash_Gajjar@...tor.com>,
Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc: deepak_das@...tor.com, Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Jagan Teki <jagan@...rulasolutions.com>,
Levin Du <djw@...hip.com.cn>,
Ezequiel Garcia <ezequiel@...labora.com>,
Klaus Goger <klaus.goger@...obroma-systems.com>,
Arnd Bergmann <arnd@...db.de>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Shohei Maruyama <cheat.sc.linux@...look.com>,
Shawn Lin <shawn.lin@...k-chips.com>,
Heinrich Schuchardt <xypron.glpk@....de>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: rockchip: add initial dts support for Rockpro64 board
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@...tor.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?
>
> 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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