[PATCH v2 0/4] Enable ath10k wcn3990 wifi driver support on sdm845

[PATCH v2 0/4] Enable ath10k wcn3990 wifi driver support on sdm845

[Govind Singh]

This series enables ath10k wifi driver support for WCN3990 target
on sdm845 SOC. This series also updates the missing dt binding documentation
and adds optional iommu property.

sdm845 dtsi changes in this series are based on top of
https://patchwork.kernel.org/cover/10573121/ change.

Changes since v1:
	Listed no of interrupts/clocks for each set of compatible.
	Added missing 'wifi' label to sdm845.dtsi.

Govind Singh (4):
  dt: bindings: add missing dt properties for WCN3990 wifi node
  dts: arm64/sdm845: Add WCN3990 WLAN module device node
  dt: bindings: add bindings for wifi iommu node
  dts: arm64/sdm845: Enable iommu for WCN3990 wifi module device node

 .../bindings/net/wireless/qcom,ath10k.txt     | 34 +++++++++++++++----
 arch/arm64/boot/dts/qcom/sdm845-mtp.dts       |  7 ++++
 arch/arm64/boot/dts/qcom/sdm845.dtsi          | 27 +++++++++++++++
 3 files changed, 61 insertions(+), 7 deletions(-)

-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

[PATCH v2 1/4] dt: bindings: add missing dt properties for WCN3990 wifi node

[Govind Singh]

Add missing optional properties in WCN3990 wifi node.

Signed-off-by: Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
 .../bindings/net/wireless/qcom,ath10k.txt     | 28 ++++++++++++++-----
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index 7fd4e8ce4149..f831bb1c5952 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -37,12 +37,20 @@ Optional properties:
 - clocks: List of clock specifiers, must contain an entry for each required
           entry in clock-names.
 - clock-names: Should contain the clock names "wifi_wcss_cmd", "wifi_wcss_ref",
-               "wifi_wcss_rtc".
-- interrupts: List of interrupt lines. Must contain an entry
-	      for each entry in the interrupt-names property.
+	       "wifi_wcss_rtc" for "qcom,ipq4019-wifi" compatible target and
+	       "cxo_ref_clk_pin", "smmu_aggre2_noc_clk" for "qcom,wcn3990-wifi"
+	       compatible target.
+- interrupts: reference to the list of 17 interrupt no's for "qcom,ipq4019-wifi"
+	      compatible target.
+	      reference to the list of 12 interrupt no's for "qcom,wcn3990-wifi"
+	      compatible target.
+	      Must contain interrupt-names property per entry for
+	      "qcom,ath10k", "qcom,ipq4019-wifi" compatible targets.
+
 - interrupt-names: Must include the entries for MSI interrupt
 		   names ("msi0" to "msi15") and legacy interrupt
-		   name ("legacy"),
+		   name ("legacy") for "qcom,ath10k", "qcom,ipq4019-wifi"
+		   compatible targets.
 - qcom,msi_addr: MSI interrupt address.
 - qcom,msi_base: Base value to add before writing MSI data into
 		MSI address register.
@@ -55,7 +63,8 @@ Optional properties:
 - qcom,ath10k-pre-calibration-data : pre calibration data as an array,
 				     the length can vary between hw versions.
 - <supply-name>-supply: handle to the regulator device tree node
-			   optional "supply-name" is "vdd-0.8-cx-mx".
+			   optional "supply-name" are "vdd-0.8-cx-mx",
+			   "vdd-1.8-xo", "vdd-1.3-rfa" and "vdd-3.3-ch0".
 
 Example (to supply the calibration data alone):
 
@@ -133,8 +142,10 @@ wifi@18000000 {
 		compatible = "qcom,wcn3990-wifi";
 		reg = <0x18800000 0x800000>;
 		reg-names = "membase";
-		clocks = <&clock_gcc clk_aggre2_noc_clk>;
-		clock-names = "smmu_aggre2_noc_clk"
+		clocks = <&clock_gcc clk_aggre2_noc_clk>,
+			 <&clock_gcc clk_rf_clk2_pin>;
+		clock-names = "smmu_aggre2_noc_clk",
+			      "cxo_ref_clk_pin";
 		interrupts =
 			   <0 130 0 /* CE0 */ >,
 			   <0 131 0 /* CE1 */ >,
@@ -149,4 +160,7 @@ wifi@18000000 {
 			   <0 140 0 /* CE10 */ >,
 			   <0 141 0 /* CE11 */ >;
 		vdd-0.8-cx-mx-supply = <&pm8998_l5>;
+		vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
+		vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
+		vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
 };
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

[PATCH v2 2/4] dts: arm64/sdm845: Add WCN3990 WLAN module device node

[Govind Singh]

Add device node for the ath10k SNOC platform driver probe
and add resources required for WCN3990 on SDM845 soc.

Signed-off-by: Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
 arch/arm64/boot/dts/qcom/sdm845-mtp.dts |  7 +++++++
 arch/arm64/boot/dts/qcom/sdm845.dtsi    | 26 +++++++++++++++++++++++++
 2 files changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
index eedfaf8922e2..4de57f7df93c 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
@@ -440,3 +440,10 @@
 		bias-pull-up;
 	};
 };
+
+&wifi {
+	vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>;
+	vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
+	vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
+	vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
+};
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index e080072cdfdb..36c716cf3a0c 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -86,6 +86,11 @@
 			reg = <0 0x86200000 0 0x2d00000>;
 			no-map;
 		};
+
+		wlan_msa_mem: reserved-memory@96700000 {
+			no-map;
+			reg = <0 0x96700000 0 0x100000>;
+		};
 	};
 
 	cpus {
@@ -1200,5 +1205,26 @@
 				status = "disabled";
 			};
 		};
+
+		wifi: wifi@18800000 {
+			compatible = "qcom,wcn3990-wifi";
+			status = "disabled";
+			reg = <0x18800000 0x800000>;
+			reg-names = "membase";
+			memory-region = <&wlan_msa_mem>;
+			interrupts =
+				<0 413 0 /* CE0 */ >,
+				<0 414 0 /* CE1 */ >,
+				<0 415 0 /* CE2 */ >,
+				<0 416 0 /* CE3 */ >,
+				<0 417 0 /* CE4 */ >,
+				<0 418 0 /* CE5 */ >,
+				<0 420 0 /* CE6 */ >,
+				<0 421 0 /* CE7 */ >,
+				<0 422 0 /* CE8 */ >,
+				<0 423 0 /* CE9 */ >,
+				<0 424 0 /* CE10 */ >,
+				<0 425 0 /* CE11 */ >;
+		};
 	};
 };
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

[PATCH v2 3/4] dt: bindings: add bindings for wifi iommu node

[Govind Singh]

WCN3990 wifi module can optionally make use of the IOMMU.
Add binding documentation for phandle to the IOMMU and
the stream id of wifi iommu block.

Signed-off-by: Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
 .../devicetree/bindings/net/wireless/qcom,ath10k.txt        | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
index f831bb1c5952..2a2f44c461f7 100644
--- a/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
+++ b/Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt
@@ -65,6 +65,11 @@ Optional properties:
 - <supply-name>-supply: handle to the regulator device tree node
 			   optional "supply-name" are "vdd-0.8-cx-mx",
 			   "vdd-1.8-xo", "vdd-1.3-rfa" and "vdd-3.3-ch0".
+- iommus:
+	Usage: optional
+	Value type: <prop-encoded-array>
+	Definition: A list of phandle and IOMMU specifier pairs
+	            for "qcom,wcn3990-wifi" compatible target.
 
 Example (to supply the calibration data alone):
 
@@ -163,4 +168,5 @@ wifi@18000000 {
 		vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
 		vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
 		vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
+		iommus = <&apps_smmu 0x0040 0x1>;
 };
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

[PATCH v2 4/4] dts: arm64/sdm845: Enable iommu for WCN3990 wifi module device node

[Govind Singh]

WCN3990 wifi module can optionally make use of the IOMMU.
Add phandle to the iommu and stream id of wifi iommu block.

Signed-off-by: Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 36c716cf3a0c..f02da46542cc 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1225,6 +1225,7 @@
 				<0 423 0 /* CE9 */ >,
 				<0 424 0 /* CE10 */ >,
 				<0 425 0 /* CE11 */ >;
+			iommus = <&apps_smmu 0x0040 0x1>;
 		};
 	};
 };
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

Re: [PATCH v2 2/4] dts: arm64/sdm845: Add WCN3990 WLAN module device node

[Brian Norris]

+ linux-msm, linux-soc

Hi Govind,

On Mon, Oct 01, 2018 at 04:56:34PM +0530, Govind Singh wrote:
> Add device node for the ath10k SNOC platform driver probe
> and add resources required for WCN3990 on SDM845 soc.
> 
> Signed-off-by: Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845-mtp.dts |  7 +++++++
>  arch/arm64/boot/dts/qcom/sdm845.dtsi    | 26 +++++++++++++++++++++++++
>  2 files changed, 33 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> index eedfaf8922e2..4de57f7df93c 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> @@ -440,3 +440,10 @@
>  		bias-pull-up;
>  	};
>  };
> +
> +&wifi {

You missed overriding 'status':

	status = "okay";

Also, I think pinctrl overrides are purposely kept separate from other
node modifications here (see the /* PINCTRL - ... */ comment header). So
&wifi should probably be just after the &usb_2_qmpphy override I
currently see in linux-next.

Brian

> +	vdd-0.8-cx-mx-supply = <&vreg_l5a_0p8>;
> +	vdd-1.8-xo-supply = <&vreg_l7a_1p8>;
> +	vdd-1.3-rfa-supply = <&vreg_l17a_1p3>;
> +	vdd-3.3-ch0-supply = <&vreg_l25a_3p3>;
> +};
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index e080072cdfdb..36c716cf3a0c 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -86,6 +86,11 @@
>  			reg = <0 0x86200000 0 0x2d00000>;
>  			no-map;
>  		};
> +
> +		wlan_msa_mem: reserved-memory@96700000 {
> +			no-map;
> +			reg = <0 0x96700000 0 0x100000>;
> +		};
>  	};
>  
>  	cpus {
> @@ -1200,5 +1205,26 @@
>  				status = "disabled";
>  			};
>  		};
> +
> +		wifi: wifi@18800000 {
> +			compatible = "qcom,wcn3990-wifi";
> +			status = "disabled";
> +			reg = <0x18800000 0x800000>;
> +			reg-names = "membase";
> +			memory-region = <&wlan_msa_mem>;
> +			interrupts =
> +				<0 413 0 /* CE0 */ >,
> +				<0 414 0 /* CE1 */ >,
> +				<0 415 0 /* CE2 */ >,
> +				<0 416 0 /* CE3 */ >,
> +				<0 417 0 /* CE4 */ >,
> +				<0 418 0 /* CE5 */ >,
> +				<0 420 0 /* CE6 */ >,
> +				<0 421 0 /* CE7 */ >,
> +				<0 422 0 /* CE8 */ >,
> +				<0 423 0 /* CE9 */ >,
> +				<0 424 0 /* CE10 */ >,
> +				<0 425 0 /* CE11 */ >;
> +		};
>  	};
>  };
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
> 

Re: [PATCH v2 0/4] Enable ath10k wcn3990 wifi driver support on sdm845

[Brian Norris]

+ linux-arm-msm, linux-soc

The MSM list should definitely be included for updates to Qualcomm DTS
files. Probably linux-soc too, if I'm reading MAINTAINERS correctly.

Brian

On Mon, Oct 1, 2018 at 4:26 AM Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> wrote:
>
> This series enables ath10k wifi driver support for WCN3990 target
> on sdm845 SOC. This series also updates the missing dt binding documentation
> and adds optional iommu property.
>
> sdm845 dtsi changes in this series are based on top of
> https://patchwork.kernel.org/cover/10573121/ change.
>
> Changes since v1:
>         Listed no of interrupts/clocks for each set of compatible.
>         Added missing 'wifi' label to sdm845.dtsi.
>
> Govind Singh (4):
>   dt: bindings: add missing dt properties for WCN3990 wifi node
>   dts: arm64/sdm845: Add WCN3990 WLAN module device node
>   dt: bindings: add bindings for wifi iommu node
>   dts: arm64/sdm845: Enable iommu for WCN3990 wifi module device node
>
>  .../bindings/net/wireless/qcom,ath10k.txt     | 34 +++++++++++++++----
>  arch/arm64/boot/dts/qcom/sdm845-mtp.dts       |  7 ++++
>  arch/arm64/boot/dts/qcom/sdm845.dtsi          | 27 +++++++++++++++
>  3 files changed, 61 insertions(+), 7 deletions(-)
>
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>

Re: [PATCH v2 4/4] dts: arm64/sdm845: Enable iommu for WCN3990 wifi module device node

[Brian Norris]

+ linux-msm, linux-soc

On Mon, Oct 01, 2018 at 04:56:36PM +0530, Govind Singh wrote:
> WCN3990 wifi module can optionally make use of the IOMMU.
> Add phandle to the iommu and stream id of wifi iommu block.
> 
> Signed-off-by: Govind Singh <govinds-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
> ---
>  arch/arm64/boot/dts/qcom/sdm845.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> index 36c716cf3a0c..f02da46542cc 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> @@ -1225,6 +1225,7 @@
>  				<0 423 0 /* CE9 */ >,
>  				<0 424 0 /* CE10 */ >,
>  				<0 425 0 /* CE11 */ >;
> +			iommus = <&apps_smmu 0x0040 0x1>;

I don't see an apps_smmu label in any of the sdm845 files yet. I don't
think this piece has landed in any -next tree yet. So your patch won't
work.

I think maybe you should just defer sending this particular patch
upstream until the dependency is worked out.

Brian

>  		};
>  	};
>  };
> -- 
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>