[PATCH v3 3/3] arm64: dts: mediatek: mt8186: Add svs node

Rohit Agarwal posted 3 patches 4 weeks ago
There is a newer version of this series
[PATCH v3 3/3] arm64: dts: mediatek: mt8186: Add svs node
Posted by Rohit Agarwal 4 weeks ago
Add clock/irq/efuse setting in svs nodes for mt8186 SoC.

Signed-off-by: Rohit Agarwal <rohiagar@chromium.org>
---
 arch/arm64/boot/dts/mediatek/mt8186.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
index e27c69ec8bdd..a51f3d8ce745 100644
--- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
@@ -1361,6 +1361,18 @@ spi0: spi@1100a000 {
 			status = "disabled";
 		};
 
+		svs: svs@1100b000 {
+			compatible = "mediatek,mt8186-svs";
+			reg = <0 0x1100b000 0 0x400>;
+			interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH 0>;
+			clocks = <&infracfg_ao CLK_INFRA_AO_THERM>;
+			clock-names = "main";
+			nvmem-cells = <&svs_calibration>, <&lvts_e_data1>;
+			nvmem-cell-names = "svs-calibration-data", "t-calibration-data";
+			resets = <&infracfg_ao MT8186_INFRA_PTP_CTRL_RST>;
+			reset-names = "svs_rst";
+		};
+
 		pwm0: pwm@1100e000 {
 			compatible = "mediatek,mt8186-disp-pwm", "mediatek,mt8183-disp-pwm";
 			reg = <0 0x1100e000 0 0x1000>;
@@ -1676,6 +1688,14 @@ efuse: efuse@11cb0000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 
+			lvts_e_data1: data@1cc {
+				reg = <0x1cc 0x14>;
+			};
+
+			svs_calibration: calib@550 {
+				reg = <0x550 0x50>;
+			};
+
 			gpu_speedbin: gpu-speedbin@59c {
 				reg = <0x59c 0x4>;
 				bits = <0 3>;
-- 
2.46.0.295.g3b9ea8a38a-goog
Re: [PATCH v3 3/3] arm64: dts: mediatek: mt8186: Add svs node
Posted by Nícolas F. R. A. Prado 4 weeks ago
On Thu, Aug 22, 2024 at 06:46:50AM +0000, Rohit Agarwal wrote:
> Add clock/irq/efuse setting in svs nodes for mt8186 SoC.
> 
> Signed-off-by: Rohit Agarwal <rohiagar@chromium.org>
> ---
>  arch/arm64/boot/dts/mediatek/mt8186.dtsi | 20 ++++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> index e27c69ec8bdd..a51f3d8ce745 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
> @@ -1361,6 +1361,18 @@ spi0: spi@1100a000 {
>  			status = "disabled";
>  		};
>  
> +		svs: svs@1100b000 {

There's already another node at address 1100b000:

		lvts: thermal-sensor@1100b000

You should set the starting address of the SVS to 1100bc00 and decrease the
iospace for lvts to avoid intersection. See this commit for a similar change on
mt8195:
https://lore.kernel.org/all/20231121125044.78642-21-angelogioacchino.delregno@collabora.com/

Thanks,
Nícolas
Re: [PATCH v3 3/3] arm64: dts: mediatek: mt8186: Add svs node
Posted by Rohit Agarwal 3 weeks, 6 days ago
On 22/08/24 9:36 PM, Nícolas F. R. A. Prado wrote:
> On Thu, Aug 22, 2024 at 06:46:50AM +0000, Rohit Agarwal wrote:
>> Add clock/irq/efuse setting in svs nodes for mt8186 SoC.
>>
>> Signed-off-by: Rohit Agarwal <rohiagar@chromium.org>
>> ---
>>   arch/arm64/boot/dts/mediatek/mt8186.dtsi | 20 ++++++++++++++++++++
>>   1 file changed, 20 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/mediatek/mt8186.dtsi b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
>> index e27c69ec8bdd..a51f3d8ce745 100644
>> --- a/arch/arm64/boot/dts/mediatek/mt8186.dtsi
>> +++ b/arch/arm64/boot/dts/mediatek/mt8186.dtsi
>> @@ -1361,6 +1361,18 @@ spi0: spi@1100a000 {
>>   			status = "disabled";
>>   		};
>>   
>> +		svs: svs@1100b000 {
> There's already another node at address 1100b000:
>
> 		lvts: thermal-sensor@1100b000
>
> You should set the starting address of the SVS to 1100bc00 and decrease the
> iospace for lvts to avoid intersection. See this commit for a similar change on
> mt8195:
> https://lore.kernel.org/all/20231121125044.78642-21-angelogioacchino.delregno@collabora.com/
Sure. Will update this according to the reference.

Thanks,
Rohit.