From: Jianxin Pan <jianxin.pan@amlogic.com>
To: Kevin Hilman <khilman@baylibre.com>, <linux-amlogic@lists.infradead.org>
Cc: Jianxin Pan <jianxin.pan@amlogic.com>,
Rob Herring <robh+dt@kernel.org>,
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: [PATCH v4 0/4] arm64: meson: add support for A1 Power Domains
Date: Mon, 4 Nov 2019 19:47:04 +0800 [thread overview]
Message-ID: <1572868028-73076-1-git-send-email-jianxin.pan@amlogic.com> (raw)
This patchset introduces a "Secure Power Doamin Controller". In A1/C1, power
controller registers such as PWRCTRL_FOCRSTN, PWRCTRL_PWR_OFF, PWRCTRL_MEM_PD
and PWRCTRL_ISO_EN, are in the secure domain, and should be accessed from ATF
by smc.
Changes since v3 at [2]:
- remove phandle to secure-monitor node
Changes since v2 at [1]:
- update domain id
- include dt-bindings in dts
Changes since v1 at [0]:
- use APIs from sm driver
- rename pwrc_secure_get_power as Kevin suggested
- add comments for always on domains
- replace arch_initcall_sync with builtin_platform_driver
- fix coding style
[0] https://lore.kernel.org/linux-amlogic/1568895064-4116-1-git-send-email-jianxin.pan@amlogic.com
[1] https://lore.kernel.org/linux-amlogic/1570695678-42623-1-git-send-email-jianxin.pan@amlogic.com
[2] https://lore.kernel.org/linux-amlogic/1571391167-79679-1-git-send-email-jianxin.pan@amlogic.com
Jianxin Pan (4):
dt-bindings: power: add Amlogic secure power domains bindings
firmware: meson_sm: Add secure power domain support
soc: amlogic: Add support for Secure power domains controller
arm64: dts: meson: a1: add secure power domain controller
.../bindings/power/amlogic,meson-sec-pwrc.yaml | 37 ++++
arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 7 +
drivers/firmware/meson/meson_sm.c | 2 +
drivers/soc/amlogic/Kconfig | 13 ++
drivers/soc/amlogic/Makefile | 1 +
drivers/soc/amlogic/meson-secure-pwrc.c | 204 +++++++++++++++++++++
include/dt-bindings/power/meson-a1-power.h | 32 ++++
include/linux/firmware/meson/meson_sm.h | 2 +
8 files changed, 298 insertions(+)
create mode 100644 Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml
create mode 100644 drivers/soc/amlogic/meson-secure-pwrc.c
create mode 100644 include/dt-bindings/power/meson-a1-power.h
--
2.7.4
next reply other threads:[~2019-11-04 11:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-04 11:47 Jianxin Pan [this message]
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
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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