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From: Kevin Hilman <khilman@baylibre.com>
To: Jianxin Pan <jianxin.pan@amlogic.com>, linux-amlogic@lists.infradead.org
Cc: devicetree@vger.kernel.org, Hanjie Lin <hanjie.lin@amlogic.com>,
	Victor Wan <victor.wan@amlogic.com>,
	Jianxin Pan <jianxin.pan@amlogic.com>,
	linux-pm@vger.kernel.org,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Neil Armstrong <narmstrong@baylibre.com>,
	linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
	Jian Hu <jian.hu@amlogic.com>,
	Xingyu Chen <xingyu.chen@amlogic.com>,
	linux-arm-kernel@lists.infradead.org,
	Jerome Brunet <jbrunet@baylibre.com>
Subject: Re: [PATCH v4 2/4] firmware: meson_sm: Add secure power domain support
Date: Sat, 09 Nov 2019 21:11:09 +0100
Message-ID: <7hk188stcy.fsf@baylibre.com> (raw)
In-Reply-To: <1572868028-73076-3-git-send-email-jianxin.pan@amlogic.com>

Jianxin Pan <jianxin.pan@amlogic.com> writes:

> The Amlogic Meson A1/C1 Secure Monitor implements calls to control power
> domain.
>
> Signed-off-by: Jianxin Pan <jianxin.pan@amlogic.com>
> ---
>  drivers/firmware/meson/meson_sm.c       | 2 ++
>  include/linux/firmware/meson/meson_sm.h | 2 ++
>  2 files changed, 4 insertions(+)
>
> diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c
> index 1d5b4d7..7ec09f5 100644
> --- a/drivers/firmware/meson/meson_sm.c
> +++ b/drivers/firmware/meson/meson_sm.c
> @@ -44,6 +44,8 @@ static const struct meson_sm_chip gxbb_chip = {
>  		CMD(SM_EFUSE_WRITE,	0x82000031),
>  		CMD(SM_EFUSE_USER_MAX,	0x82000033),
>  		CMD(SM_GET_CHIP_ID,	0x82000044),
> +		CMD(SM_PWRC_SET,	0x82000093),
> +		CMD(SM_PWRC_GET,	0x82000095),
>  		{ /* sentinel */ },
>  	},
>  };
> diff --git a/include/linux/firmware/meson/meson_sm.h b/include/linux/firmware/meson/meson_sm.h
> index 6669e2a..4ed3989 100644
> --- a/include/linux/firmware/meson/meson_sm.h
> +++ b/include/linux/firmware/meson/meson_sm.h
> @@ -12,6 +12,8 @@ enum {
>  	SM_EFUSE_WRITE,
>  	SM_EFUSE_USER_MAX,
>  	SM_GET_CHIP_ID,
> +	SM_PWRC_SET,
> +	SM_PWRC_GET,

These new IDs are unique to the A1/C1 family.  Maybe we should add a
prefix to better indicate that.  Maybe:

       SM_A1_PWRC_SET,
       SM_A1_PWRC_GET,

Thoughts?

Kevin

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Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-04 11:47 [PATCH v4 0/4] arm64: meson: add support for A1 Power Domains Jianxin Pan
2019-11-04 11:47 ` [PATCH v4 1/4] dt-bindings: power: add Amlogic secure power domains bindings Jianxin Pan
2019-11-04 11:47 ` [PATCH v4 2/4] firmware: meson_sm: Add secure power domain support Jianxin Pan
2019-11-09 20:11   ` Kevin Hilman [this message]
2019-11-11 10:46     ` Jianxin Pan
2019-11-11 14:40       ` Kevin Hilman
2019-11-11 14:59         ` Jianxin Pan
2019-11-04 11:47 ` [PATCH v4 3/4] soc: amlogic: Add support for Secure power domains controller Jianxin Pan
2019-11-09 20:09   ` Kevin Hilman
2019-11-11 11:53     ` Jianxin Pan
2019-11-11 14:44       ` Kevin Hilman
2019-11-11 15:00         ` Jianxin Pan
2019-11-04 11:47 ` [PATCH v4 4/4] arm64: dts: meson: a1: add secure power domain controller Jianxin Pan

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