Hi Jagan,
Am Montag, 20. Juli 2020, 12:55:29 CEST schrieb Jagan Teki:
> Rock PI 4 has 3 variants of hardware platforms called
> RockPI 4A, 4B, and 4C.
>
> - Rock PI 4A has no Wif/BT.
> - Rock PI 4B has AP6256 Wifi/BT, PoE.
> - Rock PI 4C has AP6256 Wifi/BT, PoE, miniDP, USB Host enable
> GPIO pin change compared to 4B, 4C
>
> So move common nodes, properties into dtsi file and include
> on respective variant dts files.
>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/rockchip/Makefile | 2 +-
> .../{rk3399-rock-pi-4.dts => rk3399-rock-pi-4.dtsi} | 3 ---
> arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts | 13 +++++++++++++
> 3 files changed, 14 insertions(+), 4 deletions(-)
> rename arch/arm64/boot/dts/rockchip/{rk3399-rock-pi-4.dts => rk3399-rock-pi-4.dtsi} (99%)
> create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts
>
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index b87b1f773083..42f9e1861461 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -33,7 +33,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-pinebook-pro.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-puma-haikou.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-roc-pc-mezzanine.dtb
> -dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4a.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock960.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64-v2.dtb
> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
> similarity index 99%
> rename from arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
> rename to arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
> index 3923ec01ef66..c39334b139cc 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi
> @@ -11,9 +11,6 @@
> #include "rk3399-opp.dtsi"
>
> / {
> - model = "Radxa ROCK Pi 4";
> - compatible = "radxa,rockpi4", "rockchip,rk3399";
> -
> chosen {
> stdout-path = "serial2:1500000n8";
> };
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts
> new file mode 100644
> index 000000000000..d96dd3ebd3e0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts
> @@ -0,0 +1,13 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2019 Akash Gajjar <Akash_Gajjar@xxxxxxxxxx>
> + * Copyright (c) 2019 Pragnesh Patel <Pragnesh_Patel@xxxxxxxxxx>
> + */
> +
> +/dts-v1/;
> +#include "rk3399-rock-pi-4.dtsi"
> +
> +/ {
> + model = "Radxa ROCK Pi 4A";
> + compatible = "radxa,rockpi4", "rockchip,rk3399";
please add a new compatible for the board variants, so ideally we'd get
something like:
compatible = "radxa,rockpi4a", "radxa,rockpi4", "rockchip,rk3399";
Same for the other 2 board variants + adding them to the binding doc.
Thanks
Heiko
