[RFC PATCH v2 13/14] ARM: dts: suniv: add initial DTSI file for F1C100s

Maxime Ripard
2018-11-20T08:55:36Z

On Sun, Nov 18, 2018 at 05:17:12PM +0300, Mesih Kilinc wrote:
> F1C100s is one product with the suniv die, which has a 32MiB co-packaged
> DDR1 DRAM chip. As we have the support for suniv pin controller and CCU now, add a
> initial DTSI for it.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Signed-off-by: Mesih Kilinc <mesihkilnc@gmail.com>
> ---
> arch/arm/boot/dts/suniv-f1c100s.dtsi | 158 +++++++++++++++++++++++++++++++++++
> 1 file changed, 158 insertions(+)
> create mode 100644 arch/arm/boot/dts/suniv-f1c100s.dtsi
>
> diff --git a/arch/arm/boot/dts/suniv-f1c100s.dtsi b/arch/arm/boot/dts/suniv-f1c100s.dtsi
> new file mode 100644
> index 0000000..d98f658
> --- /dev/null
> +++ b/arch/arm/boot/dts/suniv-f1c100s.dtsi
> @@ -0,0 +1,158 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR X11)
> +/*
> + * Copyright 2018 Icenowy Zheng <icenowy@aosc.io>
> + * Copyright 2018 Mesih Kilinc <mesihkilinc@gmail.com>
> + */
> +
> +#include <dt-bindings/clock/suniv-ccu-f1c100s.h>
> +#include <dt-bindings/reset/suniv-ccu-f1c100s.h>
> +
> +/ {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + interrupt-parent = <&intc>;
> +
> + clocks {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + osc24M: clk-24M {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <24000000>;
> + clock-output-names = "osc24M";
> + };
> +
> + osc32k: clk-32k {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <32768>;
> + clock-output-names = "osc32k";
> + };
> +
> + fake100M: clk-100M {
> + #clock-cells = <0>;
> + compatible = "fixed-clock";
> + clock-frequency = <100000000>;
> + clock-output-names = "fake-100M";
> + };

Why do you need that fake clock?

> + };
> +
> + cpus {
> + #address-cells = <0>;
> + #size-cells = <0>;
> +
> + cpu {
> + compatible = "arm,arm926ej-s";
> + device_type = "cpu";
> + };
> + };
> +
> + soc {
> + compatible = "simple-bus";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + sram-controller at 1c00000 {
> + compatible = "allwinner,sun4i-a10-sram-controller";

You should have a compatible for that SoC there (possibly keeping the
A10 compatible if that makes sense).

> + reg = <0x01c00000 0x30>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + sram_d: sram at 10000 {
> + compatible = "mmio-sram";
> + reg = <0x00010000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x00010000 0x1000>;
> +
> + otg_sram: sram-section at 0 {
> + compatible = "allwinner,sun4i-a10-sram-d";

Ditto

> + reg = <0x0000 0x1000>;
> + status = "disabled";
> + };
> + };
> + };
> +
> + ccu: clock at 1c20000 {
> + compatible = "allwinner,suniv-f1c100s-ccu";
> + reg = <0x01c20000 0x400>;
> + clocks = <&osc24M>, <&osc32k>;
> + clock-names = "hosc", "losc";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> + intc: interrupt-controller at 1c20400 {
> + compatible = "allwinner,suniv-f1c100s-ic";
> + reg = <0x01c20400 0x400>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + };
> +
> + pio: pinctrl at 1c20800 {
> + compatible = "allwinner,suniv-f1c100s-pinctrl";
> + reg = <0x01c20800 0x400>;
> + interrupts = <38>, <39>, <40>;
> + clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc32k>;
> + clock-names = "apb", "hosc", "losc";
> + gpio-controller;
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + #gpio-cells = <3>;
> +
> + uart0_pins_a: uart-pins-pe {
> + pins = "PE0", "PE1";
> + function = "uart0";
> + };
> + };
> +
> + timer at 1c20c00 {
> + compatible = "allwinner,suniv-f1c100s-timer";
> + reg = <0x01c20c00 0x90>;
> + interrupts = <13>;
> + clocks = <&osc24M>;
> + };
> +
> + wdt: watchdog at 1c20ca0 {
> + compatible = "allwinner,sun6i-a31-wdt";

Ditto.

Thanks!
Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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