* [PATCH v5 2/3] arm64: tegra: Add PWM controllers on Tegra234
2022-09-19 14:14 [PATCH v5 1/3] dt-bindings: pwm: tegra: Document Tegra234 pwm binding Sandipan Patra
@ 2022-09-19 14:14 ` Sandipan Patra
2022-09-20 16:00 ` Krzysztof Kozlowski
2022-11-03 11:50 ` Thierry Reding
2022-09-19 14:14 ` [PATCH v5 3/3] arm64: tegra: Add user PWM support on Jetson Orin Sandipan Patra
` (2 subsequent siblings)
3 siblings, 2 replies; 8+ messages in thread
From: Sandipan Patra @ 2022-09-19 14:14 UTC (permalink / raw)
To: thierry.reding, jonathanh, robh+dt, krzysztof.kozlowski+dt,
devicetree, linux-tegra, linux-kernel
Cc: bbasu, kyarlagadda, Sandipan Patra
Tegra234 has eight single-channel PWM controllers, one of them in the
AON block.
Signed-off-by: Sandipan Patra <spatra@nvidia.com>
---
V4->V5: Update compatable with Tegra234 and fallback
arch/arm64/boot/dts/nvidia/tegra234.dtsi | 88 +++++++++++++++++++++++-
1 file changed, 86 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
index 0170bfa8a467..b1b29e3c207c 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi
@@ -870,8 +870,8 @@
};
pwm1: pwm@3280000 {
- compatible = "nvidia,tegra194-pwm",
- "nvidia,tegra186-pwm";
+ compatible = "nvidia,tegra234-pwm",
+ "nvidia,tegra194-pwm";
reg = <0x3280000 0x10000>;
clocks = <&bpmp TEGRA234_CLK_PWM1>;
clock-names = "pwm";
@@ -881,6 +881,90 @@
#pwm-cells = <2>;
};
+ pwm2: pwm@3290000 {
+ compatible = "nvidia,tegra234-pwm",
+ "nvidia,tegra194-pwm";
+ reg = <0x3290000 0x10000>;
+ clocks = <&bpmp TEGRA234_CLK_PWM2>;
+ clock-names = "pwm";
+ resets = <&bpmp TEGRA234_RESET_PWM2>;
+ reset-names = "pwm";
+ status = "disabled";
+ #pwm-cells = <2>;
+ };
+
+ pwm3: pwm@32a0000 {
+ compatible = "nvidia,tegra234-pwm",
+ "nvidia,tegra194-pwm";
+ reg = <0x32a0000 0x10000>;
+ clocks = <&bpmp TEGRA234_CLK_PWM3>;
+ clock-names = "pwm";
+ resets = <&bpmp TEGRA234_RESET_PWM3>;
+ reset-names = "pwm";
+ status = "disabled";
+ #pwm-cells = <2>;
+ };
+
+ pwm4: pwm@c340000 {
+ compatible = "nvidia,tegra234-pwm",
+ "nvidia,tegra194-pwm";
+ reg = <0xc340000 0x10000>;
+ clocks = <&bpmp TEGRA234_CLK_PWM4>;
+ clock-names = "pwm";
+ resets = <&bpmp TEGRA234_RESET_PWM4>;
+ reset-names = "pwm";
+ status = "disabled";
+ #pwm-cells = <2>;
+ };
+
+ pwm5: pwm@32c0000 {
+ compatible = "nvidia,tegra234-pwm",
+ "nvidia,tegra194-pwm";
+ reg = <0x32c0000 0x10000>;
+ clocks = <&bpmp TEGRA234_CLK_PWM5>;
+ clock-names = "pwm";
+ resets = <&bpmp TEGRA234_RESET_PWM5>;
+ reset-names = "pwm";
+ status = "disabled";
+ #pwm-cells = <2>;
+ };
+
+ pwm6: pwm@32d0000 {
+ compatible = "nvidia,tegra234-pwm",
+ "nvidia,tegra194-pwm";
+ reg = <0x32d0000 0x10000>;
+ clocks = <&bpmp TEGRA234_CLK_PWM6>;
+ clock-names = "pwm";
+ resets = <&bpmp TEGRA234_RESET_PWM6>;
+ reset-names = "pwm";
+ status = "disabled";
+ #pwm-cells = <2>;
+ };
+
+ pwm7: pwm@32e0000 {
+ compatible = "nvidia,tegra234-pwm",
+ "nvidia,tegra194-pwm";
+ reg = <0x32e0000 0x10000>;
+ clocks = <&bpmp TEGRA234_CLK_PWM7>;
+ clock-names = "pwm";
+ resets = <&bpmp TEGRA234_RESET_PWM7>;
+ reset-names = "pwm";
+ status = "disabled";
+ #pwm-cells = <2>;
+ };
+
+ pwm8: pwm@32f0000 {
+ compatible = "nvidia,tegra234-pwm",
+ "nvidia,tegra194-pwm";
+ reg = <0x32f0000 0x10000>;
+ clocks = <&bpmp TEGRA234_CLK_PWM8>;
+ clock-names = "pwm";
+ resets = <&bpmp TEGRA234_RESET_PWM8>;
+ reset-names = "pwm";
+ status = "disabled";
+ #pwm-cells = <2>;
+ };
+
spi@3300000 {
compatible = "nvidia,tegra234-qspi";
reg = <0x3300000 0x1000>;
--
2.17.1
^ permalink raw reply related [flat|nested] 8+ messages in thread* [PATCH v5 3/3] arm64: tegra: Add user PWM support on Jetson Orin
2022-09-19 14:14 [PATCH v5 1/3] dt-bindings: pwm: tegra: Document Tegra234 pwm binding Sandipan Patra
2022-09-19 14:14 ` [PATCH v5 2/3] arm64: tegra: Add PWM controllers on Tegra234 Sandipan Patra
@ 2022-09-19 14:14 ` Sandipan Patra
2022-11-03 11:53 ` Thierry Reding
2022-09-20 16:00 ` [PATCH v5 1/3] dt-bindings: pwm: tegra: Document Tegra234 pwm binding Krzysztof Kozlowski
2022-11-03 11:49 ` Thierry Reding
3 siblings, 1 reply; 8+ messages in thread
From: Sandipan Patra @ 2022-09-19 14:14 UTC (permalink / raw)
To: thierry.reding, jonathanh, robh+dt, krzysztof.kozlowski+dt,
devicetree, linux-tegra, linux-kernel
Cc: bbasu, kyarlagadda, Sandipan Patra
Enable in device tree and use it to drive the PWM controllers on
40 pin header of Orin dev-kit.
Signed-off-by: Sandipan Patra <spatra@nvidia.com>
---
V1->V2: Overriding by node label instead of node path.
arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
index a85993c85e45..5108013a18c6 100644
--- a/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3737-0000.dtsi
@@ -3,3 +3,15 @@
/ {
compatible = "nvidia,p3737-0000";
};
+
+&pwm1 {
+ status = "okay";
+};
+
+&pwm5 {
+ status = "okay";
+};
+
+&pwm8 {
+ status = "okay";
+};
--
2.17.1
^ permalink raw reply related [flat|nested] 8+ messages in thread* Re: [PATCH v5 1/3] dt-bindings: pwm: tegra: Document Tegra234 pwm binding
2022-09-19 14:14 [PATCH v5 1/3] dt-bindings: pwm: tegra: Document Tegra234 pwm binding Sandipan Patra
2022-09-19 14:14 ` [PATCH v5 2/3] arm64: tegra: Add PWM controllers on Tegra234 Sandipan Patra
2022-09-19 14:14 ` [PATCH v5 3/3] arm64: tegra: Add user PWM support on Jetson Orin Sandipan Patra
@ 2022-09-20 16:00 ` Krzysztof Kozlowski
2022-11-03 11:49 ` Thierry Reding
3 siblings, 0 replies; 8+ messages in thread
From: Krzysztof Kozlowski @ 2022-09-20 16:00 UTC (permalink / raw)
To: Sandipan Patra, thierry.reding, jonathanh, robh+dt,
krzysztof.kozlowski+dt, devicetree, linux-tegra, linux-kernel
Cc: bbasu, kyarlagadda
On 19/09/2022 16:14, Sandipan Patra wrote:
> Add compatible for nvidia,tegra234-pwm with nvidia,tegra194-pwm as a
> fallback.
> The PWM controller blocks are identical to ones found on the
> Tegra194 SoC. No driver changes are required and compatible string
> "nvidia,tegra194-pwm" will be used as a fallback.
>
> Signed-off-by: Sandipan Patra <spatra@nvidia.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Best regards,
Krzysztof
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v5 1/3] dt-bindings: pwm: tegra: Document Tegra234 pwm binding
2022-09-19 14:14 [PATCH v5 1/3] dt-bindings: pwm: tegra: Document Tegra234 pwm binding Sandipan Patra
` (2 preceding siblings ...)
2022-09-20 16:00 ` [PATCH v5 1/3] dt-bindings: pwm: tegra: Document Tegra234 pwm binding Krzysztof Kozlowski
@ 2022-11-03 11:49 ` Thierry Reding
3 siblings, 0 replies; 8+ messages in thread
From: Thierry Reding @ 2022-11-03 11:49 UTC (permalink / raw)
To: Sandipan Patra
Cc: jonathanh, robh+dt, krzysztof.kozlowski+dt, devicetree,
linux-tegra, linux-kernel, bbasu, kyarlagadda
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On Mon, Sep 19, 2022 at 07:44:53PM +0530, Sandipan Patra wrote:
> Add compatible for nvidia,tegra234-pwm with nvidia,tegra194-pwm as a
> fallback.
> The PWM controller blocks are identical to ones found on the
> Tegra194 SoC. No driver changes are required and compatible string
> "nvidia,tegra194-pwm" will be used as a fallback.
>
> Signed-off-by: Sandipan Patra <spatra@nvidia.com>
> ---
> V3 -> V4: Mention fallback compatible
> V4 -> V5: Update Compatible with both Tegra234 and fallback
>
> Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt | 1 +
> 1 file changed, 1 insertion(+)
Applied, thanks.
Thierry
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^ permalink raw reply [flat|nested] 8+ messages in thread