From: Jianxin Pan <jianxin.pan@amlogic.com>
To: Rob Herring <robh@kernel.org>
Cc: Kevin Hilman <khilman@baylibre.com>,
<linux-amlogic@lists.infradead.org>,
Zhiqiang Liang <zhiqiang.liang@amlogic.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
<linux-pm@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, Jian Hu <jian.hu@amlogic.com>,
Hanjie Lin <hanjie.lin@amlogic.com>,
Victor Wan <victor.wan@amlogic.com>,
Xingyu Chen <xingyu.chen@amlogic.com>
Subject: Re: [PATCH 1/3] dt-bindings: power: add Amlogic secure power domains bindings
Date: Thu, 10 Oct 2019 11:31:39 +0800 [thread overview]
Message-ID: <3152a4ac-5059-502b-3bf3-71f7e2d8118a@amlogic.com> (raw)
In-Reply-To: <5d93ce88.1c69fb81.aec64.6b1b@mx.google.com>
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
>>
>
> .
>
next prev parent reply other threads:[~2019-10-10 3:31 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-19 12:11 [PATCH 0/3] arm64: meson: add support for A1 Power Domains Jianxin Pan
2019-09-19 12:11 ` [PATCH 1/3] dt-bindings: power: add Amlogic secure power domains bindings Jianxin Pan
2019-09-19 20:06 ` Martin Blumenstingl
2019-09-20 7:37 ` Jianxin Pan
2019-10-01 22:09 ` Rob Herring
2019-10-10 3:31 ` Jianxin Pan [this message]
2019-09-19 12:11 ` [PATCH 2/3] soc: amlogic: Add support for Secure power domains controller Jianxin Pan
2019-09-19 20:03 ` Martin Blumenstingl
2019-09-20 7:58 ` Jianxin Pan
2019-09-25 22:41 ` Kevin Hilman
2019-09-26 9:17 ` Jianxin Pan
2019-09-26 16:23 ` Kevin Hilman
2019-09-19 12:11 ` [PATCH 3/3] arm64: dts: meson: a1: add secure power domain controller Jianxin Pan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3152a4ac-5059-502b-3bf3-71f7e2d8118a@amlogic.com \
--to=jianxin.pan@amlogic.com \
--cc=devicetree@vger.kernel.org \
--cc=hanjie.lin@amlogic.com \
--cc=jbrunet@baylibre.com \
--cc=jian.hu@amlogic.com \
--cc=khilman@baylibre.com \
--cc=linux-amlogic@lists.infradead.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=martin.blumenstingl@googlemail.com \
--cc=narmstrong@baylibre.com \
--cc=robh@kernel.org \
--cc=victor.wan@amlogic.com \
--cc=xingyu.chen@amlogic.com \
--cc=zhiqiang.liang@amlogic.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).