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SubjectRe: [PATCH 1/3] dt-bindings: power: add Amlogic secure power domains bindings
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Hi Rob,

Thanks for your review.

I'm sorry to reply so late, for I've been on vacation in the last week.

On 2019/10/2 6:09, Rob Herring wrote:
> On Thu, Sep 19, 2019 at 08:11:02AM -0400, Jianxin Pan wrote:
>> Add the bindings for the Amlogic Secure power domains, controlling the
>> secure power domains.
>>
>> The bindings targets the Amlogic A1 and C1 compatible SoCs, in which the
>> power domain registers are in secure world.
>>
>> Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
>> Signed-off-by: Zhiqiang Liang <zhiqiang.liang@amlogic.com>
>> ---
>> .../bindings/power/amlogic,meson-sec-pwrc.yaml | 32 ++++++++++++++++++++++
>> include/dt-bindings/power/meson-a1-power.h | 32 ++++++++++++++++++++++
>> 2 files changed, 64 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
>> create mode 100644 include/dt-bindings/power/meson-a1-power.h
>>
>> diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml b/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
>> new file mode 100644
>> index 00000000..327e0d9
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
>> @@ -0,0 +1,32 @@
>> +# SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +# Copyright (c) 2019 Amlogic, Inc
>> +# Author: Jianxin Pan <jianxin.pan@amlogic.com>
>> +%YAML 1.2
>> +---
>> +$id: "http://devicetree.org/schemas/power/amlogic,meson-sec-pwrc.yaml#"
>> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
>> +
>> +title: Amlogic Meson Secure Power Domains
>> +
>> +maintainers:
>> + - Jianxin Pan <jianxin.pan@amlogic.com>
>> +
>> +description: |+
>> + A1/C1 series The Secure Power Domains node should be the child of a syscon
>> + node with the required property.
>
> 'a syscon node' is not specific enough. It must be a specific node.
>
I will fix this.
In A1/C1, power control is in secure domain, and syscon parent is not needed.
>> +
>> +properties:
>> + compatible:
>> + enum:
>> + - amlogic,meson-a1-pwrc
>> +
>> +required:
>> + - compatible
>> +
>> +examples:
>> + - |
>> + pwrc: power-controller {
>> + compatible = "amlogic,meson-a1-pwrc";
>
> But why do you need this node? It has no resources.
>
> #power-domain-cells needed?
I will add #power-domain-cells and secure-monitor here.
Thank you for the review.
>
>> + };
>> +
>> +
>> diff --git a/include/dt-bindings/power/meson-a1-power.h b/include/dt-bindings/power/meson-a1-power.h
>> new file mode 100644
>> index 00000000..6cf50bf
>> --- /dev/null
>> +++ b/include/dt-bindings/power/meson-a1-power.h
>> @@ -0,0 +1,32 @@
>> +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
>> +/*
>> + * Copyright (c) 2019 Amlogic, Inc.
>> + * Author: Jianxin Pan <jianxin.pan@amlogic.com>
>> + */
>> +
>> +#ifndef _DT_BINDINGS_MESON_A1_POWER_H
>> +#define _DT_BINDINGS_MESON_A1_POWER_H
>> +
>> +#define PWRC_DSPA_ID 8
>> +#define PWRC_DSPB_ID 9
>> +#define PWRC_UART_ID 10
>> +#define PWRC_DMC_ID 11
>> +#define PWRC_I2C_ID 12
>> +#define PWRC_PSRAM_ID 13
>> +#define PWRC_ACODEC_ID 14
>> +#define PWRC_AUDIO_ID 15
>> +#define PWRC_OTP_ID 16
>> +#define PWRC_DMA_ID 17
>> +#define PWRC_SD_EMMC_ID 18
>> +#define PWRC_RAMA_ID 19
>> +#define PWRC_RAMB_ID 20
>> +#define PWRC_IR_ID 21
>> +#define PWRC_SPICC_ID 22
>> +#define PWRC_SPIFC_ID 23
>> +#define PWRC_USB_ID 24
>> +#define PWRC_NIC_ID 25
>> +#define PWRC_PDMIN_ID 26
>> +#define PWRC_RSA_ID 27
>> +#define PWRC_MAX_ID 28
>> +
>> +#endif
>> --
>> 2.7.4
>>
>
> .
>

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