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SubjectRe: [PATCH v4 2/4] firmware: meson_sm: Add secure power domain support
Date
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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