On Thu, Feb 23, 2017 at 05:45:51PM +0100, Andreas Färber wrote:
> Add initial device trees for the RTD1295 SoC and the Zidoo X9S TV box.
>
> The CPUs lack the enable-method property because the vendor device tree
> uses a custom "rtk-spin-table" method and "psci" did not appear to work.
>
> The UARTs lack the interrupts properties because the vendor device tree
> connects them to a custom interrupt controller. earlycon works without.
>
> A list of memory reservations is adopted from v1.2.11 vendor device tree:
> 0x02200000 can be used for an initrd, 0x01b00000 is audio-related;
> ion-related 0x02600000, 0x02c00000 and 0x11000000 are left out;
> 0x10000000 is used for sharing the U-Boot environment; others remain
> to be investigated.
>
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
> Signed-off-by: Andreas Färber <afaerber@xxxxxxx>
> ---
> v1 -> v2:
> * Dropped 0x0000000010000000 /memreserve/
>
> arch/arm64/boot/dts/Makefile | 1 +
> arch/arm64/boot/dts/realtek/Makefile | 5 +
> arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts | 78 +++++++++++
> arch/arm64/boot/dts/realtek/rtd1295.dtsi | 162 ++++++++++++++++++++++
> 4 files changed, 246 insertions(+)
> create mode 100644 arch/arm64/boot/dts/realtek/Makefile
> create mode 100644 arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts
> create mode 100644 arch/arm64/boot/dts/realtek/rtd1295.dtsi
>
> diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
> index 080232b..78f7991 100644
> --- a/arch/arm64/boot/dts/Makefile
> +++ b/arch/arm64/boot/dts/Makefile
> @@ -14,6 +14,7 @@ dts-dirs += marvell
> dts-dirs += mediatek
> dts-dirs += nvidia
> dts-dirs += qcom
> +dts-dirs += realtek
> dts-dirs += renesas
> dts-dirs += rockchip
> dts-dirs += socionext
> diff --git a/arch/arm64/boot/dts/realtek/Makefile b/arch/arm64/boot/dts/realtek/Makefile
> new file mode 100644
> index 0000000..8521e92
> --- /dev/null
> +++ b/arch/arm64/boot/dts/realtek/Makefile
> @@ -0,0 +1,5 @@
> +dtb-$(CONFIG_ARCH_REALTEK) += rtd1295-zidoo-x9s.dtb
> +
> +always := $(dtb-y)
> +subdir-y := $(dts-dirs)
> +clean-files := *.dtb
> diff --git a/arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts b/arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts
> new file mode 100644
> index 0000000..53302bb
> --- /dev/null
> +++ b/arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts
> @@ -0,0 +1,78 @@
> +/*
> + * Copyright (c) 2016-2017 Andreas Färber
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
You can use SPDX tag here instead.
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
Unless you have >4GB regions, you don't really need 2 cells here.
> + ranges;
> +
> + tee@10100000 {
> + reg = <0x0 0x10100000 0x0 0xf00000>;
> + no-map;
> + };
> + };
> + soc {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <2>;
Same here. And use ranges to narrow the address space to what you need.
> + ranges;
> +
> + uart0: serial@98007800 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x0 0x98007800 0x0 0x400>,
> + <0x0 0x98007000 0x0 0x100>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clock-frequency = <27000000>;
> + status = "disabled";
> + };
> +
> + uart1: serial@9801b200 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x0 0x9801b200 0x0 0x100>,
> + <0x0 0x9801b00c 0x0 0x100>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clock-frequency = <432000000>;
> + status = "disabled";
> + };
> +
> + uart2: serial@9801b400 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x0 0x9801b400 0x0 0x100>,
> + <0x0 0x9801b00c 0x0 0x100>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clock-frequency = <432000000>;
> + status = "disabled";
> + };
> +
> + gic: interrupt-controller@ff011000 {
> + compatible = "arm,gic-400";
> + reg = <0x0 0xff011000 0x0 0x1000>,
> + <0x0 0xff012000 0x0 0x1000>;
You are missing some register ranges and the sizes may be wrong. Check
the binding doc.
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + };
> + };
> +};
> --
> 2.10.2
>
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