diff mbox series

[v2,1/3] dt-bindings: pwm: add support for MC33XS2410

Message ID 20240301111124.29283-2-dima.fedrau@gmail.com
State New
Headers
Series [v2,1/3] dt-bindings: pwm: add support for MC33XS2410 |

Commit Message

Dimitri Fedrau March 1, 2024, 11:11 a.m. UTC 
  Adding documentation for NXPs MC33XS2410 high side switch.

Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
---
 .../bindings/pwm/nxp,mc33xs2410.yaml          | 118 ++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pwm/nxp,mc33xs2410.yaml

Comments

Krzysztof Kozlowski March 1, 2024, 12:30 p.m. UTC | #1 
On 01/03/2024 12:11, Dimitri Fedrau wrote:
> Adding documentation for NXPs MC33XS2410 high side switch.
> 
> Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
> ---
>  .../bindings/pwm/nxp,mc33xs2410.yaml          | 118 ++++++++++++++++++
>  1 file changed, 118 insertions(+)


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


---

This is an automated instruction, just in case, because many review tags
are being ignored. If you know the process, you can skip it (please do
not feel offended by me posting it here - no bad intentions intended).
If you do not know the process, here is a short explanation:

Please add Acked-by/Reviewed-by/Tested-by tags when posting new
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can help here. However, there's no need to repost patches *only* to add
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https://elixir.bootlin.com/linux/v6.5-rc3/source/Documentation/process/submitting-patches.rst#L577

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/pwm/nxp,mc33xs2410.yaml b/Documentation/devicetree/bindings/pwm/nxp,mc33xs2410.yaml
new file mode 100644
index 000000000000..1729fe5c3dfb
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/nxp,mc33xs2410.yaml
@@ -0,0 +1,118 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/nxp,mc33xs2410.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: High-side switch MC33XS2410
+
+maintainers:
+  - Dimitri Fedrau <dima.fedrau@gmail.com>
+
+allOf:
+  - $ref: pwm.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+
+properties:
+  compatible:
+    const: nxp,mc33xs2410
+
+  reg:
+    maxItems: 1
+
+  spi-max-frequency:
+    maximum: 10000000
+
+  spi-cpha: true
+
+  spi-cs-setup-delay-ns:
+    minimum: 100
+    default: 100
+
+  spi-cs-hold-delay-ns:
+    minimum: 10
+    default: 10
+
+  spi-cs-inactive-delay-ns:
+    minimum: 300
+    default: 300
+
+  reset-gpios:
+    description:
+      GPIO connected to the active low reset pin.
+    maxItems: 1
+
+  "#pwm-cells":
+    const: 3
+
+  pwm-names:
+    items:
+      - const: di0
+      - const: di1
+      - const: di2
+      - const: di3
+
+  pwms:
+    description:
+      Direct inputs(di0-3) are used to directly turn-on or turn-off the
+      outputs.
+    maxItems: 4
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    description:
+      The external clock can be used if the internal clock doesn't meet
+      timing requirements over temperature and voltage operating range.
+    maxItems: 1
+
+  vdd-supply:
+    description:
+      Logic supply voltage
+
+  vspi-supply:
+    description:
+      Supply voltage for SPI
+
+  vpwr-supply:
+    description:
+      Power switch supply
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+       pwm@0 {
+           compatible = "nxp,mc33xs2410";
+           reg = <0x0>;
+           spi-max-frequency = <4000000>;
+           spi-cpha;
+           spi-cs-setup-delay-ns = <100>;
+           spi-cs-hold-delay-ns = <10>;
+           spi-cs-inactive-delay-ns = <300>;
+           reset-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>;
+           #pwm-cells = <3>;
+           pwm-names = "di0", "di1", "di2", "di3";
+           pwms = <&pwm0 0 1000000>,
+                  <&pwm1 0 1000000>,
+                  <&pwm2 0 1000000>,
+                  <&pwm3 0 1000000>;
+           interrupt-parent = <&gpio0>;
+           interrupts = <31 IRQ_TYPE_LEVEL_LOW>;
+           clocks = <&clk_ext_fixed>;
+           vdd-supply = <&reg_3v3>;
+           vspi-supply = <&reg_3v3>;
+           vpwr-supply = <&reg_24v0>;
+       };
+    };