linux-kernel - Re: [PATCH v5 1/2] dt-bindings: timer: Add Ingenic X1000 OST bindings.

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Date:   Fri, 10 Jul 2020 21:57:10 +0800
From:   Zhou Yanjie <zhouyanjie@...yeetech.com>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        tglx@...utronix.de, daniel.lezcano@...aro.org,
        paul@...pouillou.net, dongsheng.qiu@...enic.com,
        aric.pzqi@...enic.com, rick.tyliu@...enic.com,
        yanfei.li@...enic.com, sernia.zhou@...mail.com,
        zhenwenjin@...il.com
Subject: Re: [PATCH v5 1/2] dt-bindings: timer: Add Ingenic X1000 OST
 bindings.

Hi Rob,

在 2020/7/10 上午6:49, Rob Herring 写道:
> On Sun, Jul 05, 2020 at 10:03:52PM +0800, 周琰杰 (Zhou Yanjie) wrote:
>> Add the OST bindings for the X10000 SoC from Ingenic.
>>
>> Tested-by: 周正 (Zhou Zheng) <sernia.zhou@...mail.com>
>> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
>> Reviewed-by: Paul Cercueil <paul@...pouillou.net>
>> ---
>>
>> Notes:
>>      v1->v2:
>>      No change.
>>      
>>      v2->v3:
>>      Fix wrong parameters in "clocks".
>>      
>>      v3->v4:
>>      1.Rename "ingenic,ost.yaml" to "ingenic,sysost.yaml".
>>      2.Rename "ingenic,ost.h" to "ingenic,sysost.h".
>>      3.Modify the description in "ingenic,sysost.yaml".
>>      
>>      v4->v5:
>>      No change.
>>
>>   .../devicetree/bindings/timer/ingenic,sysost.yaml  | 60 ++++++++++++++++++++++
>>   include/dt-bindings/clock/ingenic,sysost.h         | 12 +++++
>>   2 files changed, 72 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/timer/ingenic,sysost.yaml
>>   create mode 100644 include/dt-bindings/clock/ingenic,sysost.h
>>
>> diff --git a/Documentation/devicetree/bindings/timer/ingenic,sysost.yaml b/Documentation/devicetree/bindings/timer/ingenic,sysost.yaml
>> new file mode 100644
>> index 000000000000..03257ed806fc
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/timer/ingenic,sysost.yaml
>> @@ -0,0 +1,60 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/timer/ingenic,sysost.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Bindings for SYSOST in Ingenic XBurst family SoCs
>> +
>> +maintainers:
>> +  - 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
>> +
>> +description:
>> +  The SYSOST in an Ingenic SoC provides one 64bit timer for clocksource
>> +  and one or more 32bit timers for clockevent.
>> +
>> +properties:
>> +  compatible:
>> +    oneOf:
>> +
>> +      - enum:
> Only 1 entry, drop 'oneOf' and the blank line.


Sure.


>> +          - ingenic,x1000-ost
>> +          - ingenic,x2000-ost
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  clock-names:
>> +    const: ost
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +required:
>> +  - "#clock-cells"
>> +  - compatible
>> +  - reg
>> +  - clocks
>> +  - clock-names
>> +  - interrupts
> additionalProperties: false


Sure.

Thanks and best regards!


>> +
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/x1000-cgu.h>
>> +
>> +    ost: timer@...00000 {
>> +    		compatible = "ingenic,x1000-ost";
>> +    		reg = <0x12000000 0x3c>;
>> +
>> +    		#clock-cells = <1>;
>> +
>> +    		clocks = <&cgu X1000_CLK_OST>;
>> +    		clock-names = "ost";
>> +
>> +    		interrupt-parent = <&cpuintc>;
>> +    		interrupts = <3>;
>> +    	};
>> +...
>> diff --git a/include/dt-bindings/clock/ingenic,sysost.h b/include/dt-bindings/clock/ingenic,sysost.h
>> new file mode 100644
>> index 000000000000..9ac88e90babf
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/ingenic,sysost.h
>> @@ -0,0 +1,12 @@
>> +/* SPDX-License-Identifier: GPL-2.0 */
>> +/*
>> + * This header provides clock numbers for the ingenic,tcu DT binding.
>> + */
>> +
>> +#ifndef __DT_BINDINGS_CLOCK_INGENIC_OST_H__
>> +#define __DT_BINDINGS_CLOCK_INGENIC_OST_H__
>> +
>> +#define OST_CLK_PERCPU_TIMER	0
>> +#define OST_CLK_GLOBAL_TIMER	1
>> +
>> +#endif /* __DT_BINDINGS_CLOCK_INGENIC_OST_H__ */
>> -- 
>> 2.11.0
>>