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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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dt-bindings: pwm: Add Loongson PWM controller

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

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://lore.kernel.org/r/57e0cbd4b7ce37da94094205e28a2ec2256c7175.1743403075.git.zhoubinbin@loongson.cn
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>

authored by

Binbin Zhou and committed by
Uwe Kleine-König 90cd430f 08d8c9f5

+73
+67
Documentation/devicetree/bindings/pwm/loongson,ls7a-pwm.yaml
··· 1 + # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2 + %YAML 1.2 3 + --- 4 + $id: http://devicetree.org/schemas/pwm/loongson,ls7a-pwm.yaml# 5 + $schema: http://devicetree.org/meta-schemas/core.yaml# 6 + 7 + title: Loongson PWM Controller 8 + 9 + maintainers: 10 + - Binbin Zhou <zhoubinbin@loongson.cn> 11 + 12 + description: 13 + The Loongson PWM has one pulse width output signal and one pulse input 14 + signal to be measured. 15 + It can be found on Loongson-2K series cpus and Loongson LS7A bridge chips. 16 + 17 + allOf: 18 + - $ref: pwm.yaml# 19 + 20 + properties: 21 + compatible: 22 + oneOf: 23 + - const: loongson,ls7a-pwm 24 + - items: 25 + - enum: 26 + - loongson,ls2k0500-pwm 27 + - loongson,ls2k1000-pwm 28 + - loongson,ls2k2000-pwm 29 + - const: loongson,ls7a-pwm 30 + 31 + reg: 32 + maxItems: 1 33 + 34 + interrupts: 35 + maxItems: 1 36 + 37 + clocks: 38 + maxItems: 1 39 + 40 + '#pwm-cells': 41 + description: 42 + The first cell must have a value of 0, which specifies the PWM output signal; 43 + The second cell is the period in nanoseconds; 44 + The third cell flag supported by this binding is PWM_POLARITY_INVERTED. 45 + const: 3 46 + 47 + required: 48 + - compatible 49 + - reg 50 + - interrupts 51 + - clocks 52 + 53 + additionalProperties: false 54 + 55 + examples: 56 + - | 57 + #include <dt-bindings/interrupt-controller/irq.h> 58 + #include <dt-bindings/clock/loongson,ls2k-clk.h> 59 + 60 + pwm@1fe22000 { 61 + compatible = "loongson,ls2k1000-pwm", "loongson,ls7a-pwm"; 62 + reg = <0x1fe22000 0x10>; 63 + interrupt-parent = <&liointc0>; 64 + interrupts = <24 IRQ_TYPE_LEVEL_HIGH>; 65 + clocks = <&clk LOONGSON2_APB_CLK>; 66 + #pwm-cells = <3>; 67 + };
+6
MAINTAINERS
··· 13912 13912 F: Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml 13913 13913 F: drivers/i2c/busses/i2c-ls2x.c 13914 13914 13915 + LOONGSON PWM DRIVER 13916 + M: Binbin Zhou <zhoubinbin@loongson.cn> 13917 + L: linux-pwm@vger.kernel.org 13918 + S: Maintained 13919 + F: Documentation/devicetree/bindings/pwm/loongson,ls7a-pwm.yaml 13920 + 13915 13921 LOONGSON-2 SOC SERIES CLOCK DRIVER 13916 13922 M: Yinbo Zhu <zhuyinbo@loongson.cn> 13917 13923 L: linux-clk@vger.kernel.org