[PATCH v2 1/2] Documentation: bindings: add dt doc for Rockchip PCIe controller
Shawn Lin
shawn.lin at rock-chips.com
Sat Jun 11 18:34:56 PDT 2016
在 2016/6/10 12:01, Doug Anderson 写道:
> Shawn,
>
> On Wed, Jun 8, 2016 at 1:05 AM, Shawn Lin <shawn.lin at rock-chips.com> wrote:
>> +pcie0: pcie at f8000000 {
>> + compatible = "rockchip,rk3399-pcie";
>> + #address-cells = <3>;
>> + #size-cells = <2>;
>> + clocks = <&cru ACLK_PCIE>, <&cru ACLK_PERF_PCIE>,
>> + <&cru PCLK_PCIE>;
>> + clock-names = "aclk", "aclk-perf",
>> + "hclk";
>
> Code also requires a "pm" clock.
>
>> + bus-range = <0x0 0x1>;
>> + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>,
>> + <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
>> + interrupt-names: "sys", "legacy", "client";
>
> Shouldn't be ":", should be "=".
>
>
>> + assigned-clocks = <&cru SCLK_PCIEPHY_REF>;
>> + assigned-clock-parents = <&cru SCLK_PCIEPHY_REF100M>;
>> + assigned-clock-rates = <100000000>;
>> + ep-gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
>> + ranges = < 0x82000000 0 0xfa000000 0x0 0xfa000000 0 0x600000
>> + 0x81000000 0 0xfa600000 0x0 0xfa600000 0 0x100000 >;
>
> nit: I don't thin it's common to have spaces before/after the ">" and "<".
> nit: Be consistent about 0 vs. 0x0 in ranges.
>
>
>> + num-lanes = <4>;
>> + reg = < 0x0 0xf8000000 0x0 0x2000000 >, < 0x0 0xfd000000 0x0 0x1000000 >;
>> + reg-name = "axi-base", "apb-base";
>
> Should be "reg-names" (with an "s")
>
>
>> + resets = <&cru SRST_PCIEPHY>, <&cru SRST_PCIE_CORE>, <&cru SRST_PCIE_MGMT>,
>> + <&cru SRST_PCIE_MGMT_STICKY>, <&cru SRST_PCIE_PIPE>;
>> + reset-names = "core", "mgmt", "mgmt-sticky", "pipe";
>
> You have 5 resets but 4 reset names. That doesn't seem right. Code
> shows you only getting 4, so presumably you need to remove the
> SRST_PCIEPHY one.
Thanks for catching these above as I forgot to rework the this sample.
>
>
> -Doug
>
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>
--
Best Regards
Shawn Lin
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