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 <[email protected]> > Signed-off-by: Mesih Kilinc <[email protected]> > --- > 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 <[email protected]> > + * Copyright 2018 Mesih Kilinc <[email protected]> > + */ > + > +#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@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@10000 {
> + compatible = "mmio-sram";
> + reg = <0x00010000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x00010000 0x1000>;
> +
> + otg_sram: sram-section@0 {
> + compatible =
> "allwinner,sun4i-a10-sram-d";
Ditto
> + reg = <0x0000 0x1000>;
> + status = "disabled";
> + };
> + };
> + };
> +
> + ccu: clock@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@1c20400 {
> + compatible = "allwinner,suniv-f1c100s-ic";
> + reg = <0x01c20400 0x400>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + };
> +
> + pio: pinctrl@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@1c20c00 {
> + compatible = "allwinner,suniv-f1c100s-timer";
> + reg = <0x01c20c00 0x90>;
> + interrupts = <13>;
> + clocks = <&osc24M>;
> + };
> +
> + wdt: watchdog@1c20ca0 {
> + compatible = "allwinner,sun6i-a31-wdt";
Ditto.
Thanks!
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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