[v11] arm64: j721s2: Add support for additional IPs

[PATCH v11 3/8] arm64: dts: ti: k3-j721s2-mcu-wakeup: Add support of OSPI

Posted by Ravi Gunasekaran 2 years, 11 months ago

From: Aswath Govindraju <a-govindraju@ti.com>

Add support for two instance of OSPI in J721S2 SoC.

Reviewed-by: Vaishnav Achath <vaishnav.a@ti.com>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
Signed-off-by: Matt Ranostay <mranostay@ti.com>
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
---
Changes from v10:
* Documented the reason for disabling the nodes by default.
* Removed Link tag from commmit message

Changes from v9:
* Disabled fss, ospi nodes by default in common DT file

Changes from v8:
* Updated "ranges" property to fix dtbs warnings

Changes from v7:
* Removed "reg" property from syscon node
* Renamed the "syscon" node to "bus" to after change in
  compatible property

Changes from v6:
* Fixed the syscon node's compatible property

Changes from v5:
* Updated the syscon node's compatible property
* Removed Cc tags from commit message

Changes from v4:
* No change

Changes from v3:
* No change

Changes from v2:
* No change

Changes from v1:
* No change

 .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi     | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
index 0af242aa9816..5005a3ebbd34 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -306,4 +306,66 @@
 			ti,cpts-periodic-outputs = <2>;
 		};
 	};
+
+	fss: bus@47000000 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
+			 <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>,
+			 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>;
+
+		/*
+		 * Disable the node by default in the common include file.
+		 * And enable it in the board specific DT file where the
+		 * pinmux property is added.
+		 */
+		status = "disabled";
+
+		ospi0: spi@47040000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x00 0x47040000 0x00 0x100>,
+			      <0x05 0x00000000 0x01 0x00000000>;
+			interrupts = <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 109 5>;
+			assigned-clocks = <&k3_clks 109 5>;
+			assigned-clock-parents = <&k3_clks 109 7>;
+			assigned-clock-rates = <166666666>;
+			power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/*
+			 * Disable the node by default in the common include
+			 * file. And enable it in the board specific DT file
+			 * where the pinmux property is added.
+			 */
+			status = "disabled";
+		};
+
+		ospi1: spi@47050000 {
+			compatible = "ti,am654-ospi", "cdns,qspi-nor";
+			reg = <0x00 0x47050000 0x00 0x100>,
+			      <0x07 0x00000000 0x01 0x00000000>;
+			interrupts = <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>;
+			cdns,fifo-depth = <256>;
+			cdns,fifo-width = <4>;
+			cdns,trigger-address = <0x0>;
+			clocks = <&k3_clks 110 5>;
+			power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			/*
+			 * Disable the node by default in the common include
+			 * file. And enable it in the board specific DT file
+			 * where the pinmux property is added.
+			 */
+			status = "disabled";
+		};
+
+	};
 };
-- 
2.17.1

Re: [PATCH v11 3/8] arm64: dts: ti: k3-j721s2-mcu-wakeup: Add support of OSPI

Posted by Krzysztof Kozlowski 2 years, 11 months ago

On 24/02/2023 11:24, Ravi Gunasekaran wrote:
> From: Aswath Govindraju <a-govindraju@ti.com>
> 
> Add support for two instance of OSPI in J721S2 SoC.
> 
> Reviewed-by: Vaishnav Achath <vaishnav.a@ti.com>
> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
> Signed-off-by: Matt Ranostay <mranostay@ti.com>
> Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
> ---
> Changes from v10:
> * Documented the reason for disabling the nodes by default.
> * Removed Link tag from commmit message
> 
> Changes from v9:
> * Disabled fss, ospi nodes by default in common DT file
> 
> Changes from v8:
> * Updated "ranges" property to fix dtbs warnings
> 
> Changes from v7:
> * Removed "reg" property from syscon node
> * Renamed the "syscon" node to "bus" to after change in
>   compatible property
> 
> Changes from v6:
> * Fixed the syscon node's compatible property
> 
> Changes from v5:
> * Updated the syscon node's compatible property
> * Removed Cc tags from commit message
> 
> Changes from v4:
> * No change
> 
> Changes from v3:
> * No change
> 
> Changes from v2:
> * No change
> 
> Changes from v1:
> * No change
> 
>  .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi     | 62 +++++++++++++++++++
>  1 file changed, 62 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> index 0af242aa9816..5005a3ebbd34 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
> @@ -306,4 +306,66 @@
>  			ti,cpts-periodic-outputs = <2>;
>  		};
>  	};
> +
> +	fss: bus@47000000 {
> +		compatible = "simple-bus";
> +		#address-cells = <2>;
> +		#size-cells = <2>;
> +		ranges = <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
> +			 <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>,
> +			 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>;
> +
> +		/*
> +		 * Disable the node by default in the common include file.
> +		 * And enable it in the board specific DT file where the
> +		 * pinmux property is added.

Why? Bus does not need pinmux.

> +		 */
> +		status = "disabled";
> +
> +		ospi0: spi@47040000 {
> +			compatible = "ti,am654-ospi", "cdns,qspi-nor";
> +			reg = <0x00 0x47040000 0x00 0x100>,
> +			      <0x05 0x00000000 0x01 0x00000000>;
> +			interrupts = <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>;
> +			cdns,fifo-depth = <256>;
> +			cdns,fifo-width = <4>;
> +			cdns,trigger-address = <0x0>;
> +			clocks = <&k3_clks 109 5>;
> +			assigned-clocks = <&k3_clks 109 5>;
> +			assigned-clock-parents = <&k3_clks 109 7>;
> +			assigned-clock-rates = <166666666>;
> +			power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			/*
> +			 * Disable the node by default in the common include
> +			 * file. And enable it in the board specific DT file
> +			 * where the pinmux property is added.

Isn't this comment obvious? It's what we do everywhere on every platform
every SoC?

> +			 */
> +			status = "disabled";
> +		};
> +
> +		ospi1: spi@47050000 {
> +			compatible = "ti,am654-ospi", "cdns,qspi-nor";
> +			reg = <0x00 0x47050000 0x00 0x100>,
> +			      <0x07 0x00000000 0x01 0x00000000>;
> +			interrupts = <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>;
> +			cdns,fifo-depth = <256>;
> +			cdns,fifo-width = <4>;
> +			cdns,trigger-address = <0x0>;
> +			clocks = <&k3_clks 110 5>;
> +			power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			/*
> +			 * Disable the node by default in the common include
> +			 * file. And enable it in the board specific DT file
> +			 * where the pinmux property is added.
> +			 */
> +			status = "disabled";
> +		};
> +

No need for blank line.

> +	};
>  };

Best regards,
Krzysztof

Re: [EXTERNAL] Re: [PATCH v11 3/8] arm64: dts: ti: k3-j721s2-mcu-wakeup: Add support of OSPI

Posted by Ravi Gunasekaran 2 years, 11 months ago


On 24/02/23 4:39 pm, Krzysztof Kozlowski wrote:
> On 24/02/2023 11:24, Ravi Gunasekaran wrote:
>> From: Aswath Govindraju <a-govindraju@ti.com>
>>
>> Add support for two instance of OSPI in J721S2 SoC.
>>
>> Reviewed-by: Vaishnav Achath <vaishnav.a@ti.com>
>> Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
>> Signed-off-by: Matt Ranostay <mranostay@ti.com>
>> Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
>> ---
>> Changes from v10:
>> * Documented the reason for disabling the nodes by default.
>> * Removed Link tag from commmit message
>>

[...]

>>
>>  .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi     | 62 +++++++++++++++++++
>>  1 file changed, 62 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>> index 0af242aa9816..5005a3ebbd34 100644
>> --- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>> +++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>> @@ -306,4 +306,66 @@
>>  			ti,cpts-periodic-outputs = <2>;
>>  		};
>>  	};
>> +
>> +	fss: bus@47000000 {
>> +		compatible = "simple-bus";
>> +		#address-cells = <2>;
>> +		#size-cells = <2>;
>> +		ranges = <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
>> +			 <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>,
>> +			 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>;
>> +
>> +		/*
>> +		 * Disable the node by default in the common include file.
>> +		 * And enable it in the board specific DT file where the
>> +		 * pinmux property is added.
> 
> Why? Bus does not need pinmux.

Right. The comment is invalid for the bus node. Will remove it in the next
series.

> 
>> +		 */
>> +		status = "disabled";
>> +
>> +		ospi0: spi@47040000 {
>> +			compatible = "ti,am654-ospi", "cdns,qspi-nor";
>> +			reg = <0x00 0x47040000 0x00 0x100>,
>> +			      <0x05 0x00000000 0x01 0x00000000>;
>> +			interrupts = <GIC_SPI 840 IRQ_TYPE_LEVEL_HIGH>;
>> +			cdns,fifo-depth = <256>;
>> +			cdns,fifo-width = <4>;
>> +			cdns,trigger-address = <0x0>;
>> +			clocks = <&k3_clks 109 5>;
>> +			assigned-clocks = <&k3_clks 109 5>;
>> +			assigned-clock-parents = <&k3_clks 109 7>;
>> +			assigned-clock-rates = <166666666>;
>> +			power-domains = <&k3_pds 109 TI_SCI_PD_EXCLUSIVE>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +
>> +			/*
>> +			 * Disable the node by default in the common include
>> +			 * file. And enable it in the board specific DT file
>> +			 * where the pinmux property is added.
> 
> Isn't this comment obvious? It's what we do everywhere on every platform
> every SoC?
> 

Noted. Will remove the elaborate comment.

>> +			 */
>> +			status = "disabled";
>> +		};
>> +
>> +		ospi1: spi@47050000 {
>> +			compatible = "ti,am654-ospi", "cdns,qspi-nor";
>> +			reg = <0x00 0x47050000 0x00 0x100>,
>> +			      <0x07 0x00000000 0x01 0x00000000>;
>> +			interrupts = <GIC_SPI 841 IRQ_TYPE_LEVEL_HIGH>;
>> +			cdns,fifo-depth = <256>;
>> +			cdns,fifo-width = <4>;
>> +			cdns,trigger-address = <0x0>;
>> +			clocks = <&k3_clks 110 5>;
>> +			power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>;
>> +			#address-cells = <1>;
>> +			#size-cells = <0>;
>> +
>> +			/*
>> +			 * Disable the node by default in the common include
>> +			 * file. And enable it in the board specific DT file
>> +			 * where the pinmux property is added.
>> +			 */
>> +			status = "disabled";
>> +		};
>> +
> 
> No need for blank line.

Will remove the blank line.

> 
>> +	};
>>  };
> 
> Best regards,
> Krzysztof
> 

-- 
Regards,
Ravi