diff mbox series

[2/5] arm64: dts: HiSilicon: Add support for HiKey 970 PCIe controller hardware

Message ID 884b83c1aed70735883e15f032f9668ebfd77a01.1637063775.git.mchehab+huawei@kernel.org (mailing list archive)
State New, archived
Headers show
Series Hikey960/970 Enable USB and PCI on such boards | expand

Commit Message

Mauro Carvalho Chehab Nov. 16, 2021, 11:59 a.m. UTC
From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

Add DTS bindings for the HiKey 970 board's PCIe hardware.

Co-developed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---

To mailbombing on a large number of people, only mailing lists were C/C on the cover.
See [PATCH 0/5] at: https://lore.kernel.org/all/cover.1637063775.git.mchehab+huawei@kernel.org/

 arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 107 ++++++++++++++++++++++
 1 file changed, 107 insertions(+)

Comments

Wei Xu Dec. 7, 2021, 8:09 a.m. UTC | #1
Hi Mauro,

On 2021/11/16 19:59, Mauro Carvalho Chehab wrote:
> From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> 
> Add DTS bindings for the HiKey 970 board's PCIe hardware.
> 
> Co-developed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> ---
> 
> To mailbombing on a large number of people, only mailing lists were C/C on the cover.
> See [PATCH 0/5] at: https://lore.kernel.org/all/cover.1637063775.git.mchehab+huawei@kernel.org/
> 
>  arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 107 ++++++++++++++++++++++
>  1 file changed, 107 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> index 636c8817df7e..225dccbcb064 100644
> --- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> +++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> @@ -176,6 +176,12 @@ sctrl: sctrl@fff0a000 {
>  			#clock-cells = <1>;
>  		};
>  
> +		pmctrl: pmctrl@fff31000 {
> +			compatible = "hisilicon,hi3670-pmctrl", "syscon";

The "hi3670-pmctrl" is not documented in the devicetree binding documents yet.
Could we remove this part this time?
Thanks!

Best Regards,
Wei
Mauro Carvalho Chehab Dec. 7, 2021, 8:39 a.m. UTC | #2
Em Tue, 7 Dec 2021 16:09:16 +0800
Wei Xu <xuwei5@hisilicon.com> escreveu:

> Hi Mauro,
> 
> On 2021/11/16 19:59, Mauro Carvalho Chehab wrote:
> > From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > 
> > Add DTS bindings for the HiKey 970 board's PCIe hardware.
> > 
> > Co-developed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
> > ---
> > 
> > To mailbombing on a large number of people, only mailing lists were C/C on the cover.
> > See [PATCH 0/5] at: https://lore.kernel.org/all/cover.1637063775.git.mchehab+huawei@kernel.org/
> > 
> >  arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 107 ++++++++++++++++++++++
> >  1 file changed, 107 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> > index 636c8817df7e..225dccbcb064 100644
> > --- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> > +++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
> > @@ -176,6 +176,12 @@ sctrl: sctrl@fff0a000 {
> >  			#clock-cells = <1>;
> >  		};
> >  
> > +		pmctrl: pmctrl@fff31000 {
> > +			compatible = "hisilicon,hi3670-pmctrl", "syscon";  
> 
> The "hi3670-pmctrl" is not documented in the devicetree binding documents yet.
> Could we remove this part this time?

Without that, the PCI PHY won't work.

IMO, the best would be to just add this compatible to hi3670-clock,
where it belongs.

Just sent a patch.

Regards,
Mauro
Wei Xu Dec. 7, 2021, 8:46 a.m. UTC | #3
Hi Mauro,

On 2021/12/7 16:39, Mauro Carvalho Chehab wrote:
> Em Tue, 7 Dec 2021 16:09:16 +0800
> Wei Xu <xuwei5@hisilicon.com> escreveu:
> 
>> Hi Mauro,
>>
>> On 2021/11/16 19:59, Mauro Carvalho Chehab wrote:
>>> From: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
>>>
>>> Add DTS bindings for the HiKey 970 board's PCIe hardware.
>>>
>>> Co-developed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
>>> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
>>> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
>>> ---
>>>
>>> To mailbombing on a large number of people, only mailing lists were C/C on the cover.
>>> See [PATCH 0/5] at: https://lore.kernel.org/all/cover.1637063775.git.mchehab+huawei@kernel.org/
>>>
>>>  arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 107 ++++++++++++++++++++++
>>>  1 file changed, 107 insertions(+)
>>>
>>> diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
>>> index 636c8817df7e..225dccbcb064 100644
>>> --- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
>>> +++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
>>> @@ -176,6 +176,12 @@ sctrl: sctrl@fff0a000 {
>>>  			#clock-cells = <1>;
>>>  		};
>>>  
>>> +		pmctrl: pmctrl@fff31000 {
>>> +			compatible = "hisilicon,hi3670-pmctrl", "syscon";  
>>
>> The "hi3670-pmctrl" is not documented in the devicetree binding documents yet.
>> Could we remove this part this time?
> 
> Without that, the PCI PHY won't work.
> 
> IMO, the best would be to just add this compatible to hi3670-clock,
> where it belongs.
> 
> Just sent a patch.

Got it.
Thanks!

Best Regards,
Wei

> 
> Regards,
> Mauro
> 
> .
>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
index 636c8817df7e..225dccbcb064 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
@@ -176,6 +176,12 @@  sctrl: sctrl@fff0a000 {
 			#clock-cells = <1>;
 		};
 
+		pmctrl: pmctrl@fff31000 {
+			compatible = "hisilicon,hi3670-pmctrl", "syscon";
+			reg = <0x0 0xfff31000 0x0 0x1000>;
+			#clock-cells = <1>;
+		};
+
 		iomcu: iomcu@ffd7e000 {
 			compatible = "hisilicon,hi3670-iomcu", "syscon";
 			reg = <0x0 0xffd7e000 0x0 0x1000>;
@@ -659,6 +665,107 @@  gpio28: gpio@fff1d000 {
 			clock-names = "apb_pclk";
 		};
 
+		pcie_phy: pcie-phy@fc000000 {
+			compatible = "hisilicon,hi970-pcie-phy";
+			reg = <0x0 0xfc000000 0x0 0x80000>;
+
+			phy-supply = <&ldo33>;
+
+			clocks = <&crg_ctrl HI3670_CLK_GATE_PCIEPHY_REF>,
+				 <&crg_ctrl HI3670_CLK_GATE_PCIEAUX>,
+				 <&crg_ctrl HI3670_PCLK_GATE_PCIE_PHY>,
+				 <&crg_ctrl HI3670_PCLK_GATE_PCIE_SYS>,
+				 <&crg_ctrl HI3670_ACLK_GATE_PCIE>;
+			clock-names = "phy_ref", "aux",
+				      "apb_phy", "apb_sys",
+				      "aclk";
+
+			/* vboost iboost pre post main */
+			hisilicon,eye-diagram-param = <0xffffffff 0xffffffff
+						       0xffffffff 0xffffffff
+						       0xffffffff>;
+
+			#phy-cells = <0>;
+		};
+
+		pcie@f4000000 {
+			compatible = "hisilicon,kirin970-pcie";
+			reg = <0x0 0xf4000000 0x0 0x1000000>,
+			      <0x0 0xfc180000 0x0 0x1000>,
+			      <0x0 0xf5000000 0x0 0x2000>;
+			reg-names = "dbi", "apb", "config";
+			#address-cells = <3>;
+			#size-cells = <2>;
+			device_type = "pci";
+			phys = <&pcie_phy>;
+			ranges = <0x02000000 0x0 0x00000000
+				  0x0 0xf6000000
+				  0x0 0x02000000>;
+			num-lanes = <1>;
+			#interrupt-cells = <1>;
+			interrupts = <GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi";
+			interrupt-map-mask = <0 0 0 7>;
+			interrupt-map = <0x0 0 0 1
+					 &gic GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
+					<0x0 0 0 2
+					 &gic GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
+					<0x0 0 0 3
+					 &gic GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>,
+					<0x0 0 0 4
+					 &gic GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>;
+			reset-gpios = <&gpio7 0 0>;
+			hisilicon,clken-gpios = <&gpio27 3 0>, <&gpio17 0 0>,
+						<&gpio20 6 0>;
+			pcie@0,0 { // Lane 0: PCIe switch: Bus 1, Device 0
+				reg = <0 0 0 0 0>;
+				compatible = "pciclass,0604";
+				device_type = "pci";
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+
+				pcie@0,0 { // Lane 0: upstream
+					reg = <0 0 0 0 0>;
+					compatible = "pciclass,0604";
+					device_type = "pci";
+					#address-cells = <3>;
+					#size-cells = <2>;
+					ranges;
+
+					pcie@1,0 { // Lane 4: M.2
+						reg = <0x0800 0 0 0 0>;
+						compatible = "pciclass,0604";
+						device_type = "pci";
+						reset-gpios = <&gpio3 1 0>;
+						#address-cells = <3>;
+						#size-cells = <2>;
+						ranges;
+					};
+
+					pcie@5,0 { // Lane 5: Mini PCIe
+						reg = <0x2800 0 0 0 0>;
+						compatible = "pciclass,0604";
+						device_type = "pci";
+						reset-gpios = <&gpio27 4 0 >;
+						#address-cells = <3>;
+						#size-cells = <2>;
+						ranges;
+					};
+
+					pcie@7,0 { // Lane 6: Ethernet
+						reg = <0x3800 0 0 0 0>;
+						compatible = "pciclass,0604";
+						device_type = "pci";
+						reset-gpios = <&gpio25 2 0 >;
+						#address-cells = <3>;
+						#size-cells = <2>;
+						ranges;
+					};
+				};
+			};
+		};
+
 		/* UFS */
 		ufs: ufs@ff3c0000 {
 			compatible = "hisilicon,hi3670-ufs", "jedec,ufs-2.1";