linux-kernel - [PATCH v4 2/4] firmware: meson_sm: Add secure power domain support

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Message-ID: <1572868028-73076-3-git-send-email-jianxin.pan@amlogic.com>
Date:   Mon, 4 Nov 2019 19:47:06 +0800
From:   Jianxin Pan <jianxin.pan@...ogic.com>
To:     Kevin Hilman <khilman@...libre.com>,
        <linux-amlogic@...ts.infradead.org>
CC:     Jianxin Pan <jianxin.pan@...ogic.com>,
        Rob Herring <robh+dt@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, Jian Hu <jian.hu@...ogic.com>,
        Hanjie Lin <hanjie.lin@...ogic.com>,
        Victor Wan <victor.wan@...ogic.com>,
        Xingyu Chen <xingyu.chen@...ogic.com>
Subject: [PATCH v4 2/4] firmware: meson_sm: Add secure power domain support

The Amlogic Meson A1/C1 Secure Monitor implements calls to control power
domain.

Signed-off-by: Jianxin Pan <jianxin.pan@...ogic.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,
 };
 
 struct meson_sm_firmware;
-- 
2.7.4