[PATCH v4 2/3] arm64: dts: Add ZTE ZX296718 SoC dts and Makefile
Shawn Guo
shawnguo at kernel.org
Fri Sep 9 04:53:36 PDT 2016
A bit more comments as below ...
On Tue, Sep 06, 2016 at 02:04:20PM +0800, Jun Nie wrote:
> + soc {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "simple-bus";
> + interrupt-parent = <&gic>;
> + ranges;
> +
> + timer {
> + compatible = "arm,armv8-timer";
> + interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
> + <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
Affinity bits are missing for PPI interrupt. You can use a bit help
from defines in include/dt-bindings/interrupt-controller/arm-gic.h.
> + };
> +
> + pmu {
> + compatible = "arm,cortex-a53-pmu";
> + interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
> + };
There are no unit-address for timer and pmu, so we should probably move
them out of soc simple-bus and put them directly under root.
> +
> + aon_sysctrl: aon-sysctrl at 116000 {
> + compatible = "zte,zx296718-aon-sysctrl", "syscon";
> + reg = <0x116000 0x1000>;
> + };
> +
> + uart0: uart at 11f000 {
> + compatible = "arm,pl011", "arm,primecell";
> + arm,primecell-periphid = <0x001feffe>;
> + reg = <0x11f000 0x1000>;
> + interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc24m>;
> + clock-names = "apb_pclk";
> + status = "disabled";
> + };
> +
> + dma: dma-controller at 1460000 {
> + compatible = "zte,zx296702-dma";
> + reg = <0x01460000 0x1000>;
> + interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&osc24m>;
> + clock-names = "dmaclk";
> + #dma-cells = <1>;
> + dma-channels = <32>;
> + dma-requests = <32>;
> + };
> +
> + sysctrl: sysctrl at 1463000 {
> + compatible = "zte,zx296718-sysctrl", "syscon";
> + reg = <0x1463000 0x1000>;
> + };
> +
> + gic: interrupt-controller at 2a00000 {
> + compatible = "arm,gic-v3";
> + #interrupt-cells = <3>;
> + #address-cells = <0>;
> + #redistributor-regions = <6>;
> + redistributor-stride = <0x0 0x40000>;
> + interrupt-controller;
> + reg = <0x02a00000 0x10000>,
> + <0x02b00000 0x20000>,
> + <0x02b20000 0x20000>,
> + <0x02b40000 0x20000>,
> + <0x02b60000 0x20000>,
> + <0x02b80000 0x20000>,
> + <0x02ba0000 0x20000>;
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
Affinity bits are missing.
Shawn
> + };
> + };
> +};
> --
> 1.9.1
>
>
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