Commit 90cd430f authored by Binbin Zhou's avatar Binbin Zhou Committed by Uwe Kleine-König
Browse files

dt-bindings: pwm: Add Loongson PWM controller 



Add Loongson PWM controller binding with DT schema format using
json-schema.

Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
Signed-off-by: default avatarBinbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/57e0cbd4b7ce37da94094205e28a2ec2256c7175.1743403075.git.zhoubinbin@loongson.cn


Signed-off-by: default avatarUwe Kleine-König <ukleinek@kernel.org>
parent 08d8c9f5

Documentation/devicetree/bindings/pwm/loongson,ls7a-pwm.yaml

0 → 100644
+67 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/pwm/loongson,ls7a-pwm.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Loongson PWM Controller



maintainers:

  - Binbin Zhou <zhoubinbin@loongson.cn>



description:

  The Loongson PWM has one pulse width output signal and one pulse input

  signal to be measured.

  It can be found on Loongson-2K series cpus and Loongson LS7A bridge chips.



allOf:

  - $ref: pwm.yaml#



properties:

  compatible:

    oneOf:

      - const: loongson,ls7a-pwm

      - items:

          - enum:

              - loongson,ls2k0500-pwm

              - loongson,ls2k1000-pwm

              - loongson,ls2k2000-pwm

          - const: loongson,ls7a-pwm



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  clocks:

    maxItems: 1



  '#pwm-cells':

    description:

      The first cell must have a value of 0, which specifies the PWM output signal;

      The second cell is the period in nanoseconds;

      The third cell flag supported by this binding is PWM_POLARITY_INVERTED.

    const: 3



required:

  - compatible

  - reg

  - interrupts

  - clocks



additionalProperties: false



examples:

  - |

    #include <dt-bindings/interrupt-controller/irq.h>

    #include <dt-bindings/clock/loongson,ls2k-clk.h>



    pwm@1fe22000 {

        compatible = "loongson,ls2k1000-pwm", "loongson,ls7a-pwm";

        reg = <0x1fe22000 0x10>;

        interrupt-parent = <&liointc0>;

        interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;

        clocks = <&clk LOONGSON2_APB_CLK>;

        #pwm-cells = <3>;

    };

MAINTAINERS

+6 −0
Original line number Diff line number Diff line
@@ -13912,6 +13912,12 @@ S: Maintained 
F:	Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml

F:	drivers/i2c/busses/i2c-ls2x.c









LOONGSON PWM DRIVER









M:	Binbin Zhou <zhoubinbin@loongson.cn>









L:	linux-pwm@vger.kernel.org









S:	Maintained









F:	Documentation/devicetree/bindings/pwm/loongson,ls7a-pwm.yaml

















LOONGSON-2 SOC SERIES CLOCK DRIVER









M:	Yinbo Zhu <zhuyinbo@loongson.cn>









L:	linux-clk@vger.kernel.org