On 12/28/2016 01:32 AM, Krzysztof Kozlowski wrote:
> On Mon, Dec 26, 2016 at 02:20:29PM +0900, Jaehoon Chung wrote:
>> Add the Exxynos5433 pcie node for TM2.
>> This pcie device is used for supporting WiFi.
>>
>> And some gpios are already requested from pinctrl. so it doesn't need to
>> initialize.
>> GPJ2-0 is used for supplying to WiFi PCIe chip.
>>
>> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
>> ---
>> arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi | 7 +++++++
>> arch/arm64/boot/dts/exynos/exynos5433-tm2.dts | 11 +++++++++--
>> arch/arm64/boot/dts/exynos/exynos5433.dtsi | 23 ++++++++++++++++++++++
>> 3 files changed, 39 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi
>> index ad71247..3e8b728 100644
>> --- a/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi
>> +++ b/arch/arm64/boot/dts/exynos/exynos5433-pinctrl.dtsi
>> @@ -183,6 +183,13 @@
>> interrupt-controller;
>> #interrupt-cells = <2>;
>> };
>> +
>> + pcie_wlanen: pcie-wlanen {
>> + samsung,pins = "gpj2-0";
>> + samsung,pin-function = <0>;
>> + samsung,pin-pud = <3>;
>> + samsung,pin-drv = <3>;
>> + };
>> };
>>
>> &pinctrl_finger {
>> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
>> index f21bdc2..c84a2ad 100644
>> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
>> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2.dts
>> @@ -737,6 +737,15 @@
>> bus-width = <4>;
>> };
>>
>> +&pcie {
>> + assigned-clocks = <&cmu_fsys CLK_MOUT_SCLK_PCIE_100_USER>,
>> + <&cmu_top CLK_MOUT_SCLK_PCIE_100>;
>> + assigned-clock-parents = <&cmu_top CLK_SCLK_PCIE_100_FSYS>,
>> + <&cmu_top CLK_MOUT_BUS_PLL_USER>;
>> + assigned-clock-rates = <0>, <100000000>;
>> + status = "okay";
>> +};
>> +
>> &pinctrl_alive {
>> pinctrl-names = "default";
>> pinctrl-0 = <&initial_alive>;
>> @@ -836,7 +845,6 @@
>> pinctrl-0 = <&initial_ese>;
>>
>> initial_ese: initial-state {
>> - PIN(IN, gpj2-0, DOWN, LV1);
>> PIN(IN, gpj2-1, DOWN, LV1);
>> PIN(IN, gpj2-2, DOWN, LV1);
>> };
>> @@ -851,7 +859,6 @@
>> PIN(IN, gpr3-1, DOWN, LV1);
>> PIN(IN, gpr3-2, DOWN, LV1);
>> PIN(IN, gpr3-3, DOWN, LV1);
>> - PIN(IN, gpr3-7, NONE, LV1);
>> };
>> };
>>
>> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
>> index 2a15f18..da287f4 100644
>> --- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
>> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
>> @@ -1457,6 +1457,29 @@
>> samsung,fsys-sysreg = <&syscon_fsys>;
>> status = "okay";
>> };
>> +
>> + pcie: pcie@15700000 {
>> + compatible = "samsung,exynos5433-pcie", "snps,dw-pcie";
>> + #address-cells = <3>;
>> + #size-cells = <2>;
>> + device_type = "pci";
>> + interrupts = <GIC_SPI 245 IRQ_TYPE_LEVEL_HIGH>;
>> + interrupt-names = "intr";
>> + clocks = <&cmu_fsys CLK_PCIE>,
>> + <&cmu_fsys CLK_PCLK_PCIE_PHY>;
>
> Here and in the 'reg' property - indentation looks weird. Tabs+spaces
> but not aligned. Either you use spaces to align... or just don't care
> and use tabs. I prefer consistency and below the 'ranges' property is
> aligned.
Will fix.
>
>> + clock-names = "pcie", "pcie_bus";
>> + num-lanes = <1>;
>> + pinctrl-names = "default";
>> + phys = <&pcie_phy>;
>> + phy-names = "pcie-phy";
>> + pinctrl-0 = <&pcie_bus &pcie_wlanen>;
>> + reg = <0x156b0000 0x1000>, <0x15700000 0x1000>,
>> + <0x0c000000 0x1000>;
>> + reg-names = "elbi", "dbi", "config";
>
> This does not match the bindings documentation.
This is right. Bindings documentation is wrong. :)
And I will put the prefix as "dts" on subject, according to your other comment.
Best Regards,
Jaehoon Chung
>
> Best regards,
> Krzysztof
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