[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date: Thu, 10 Oct 2019 04:15:40 -0400
From: Jianxin Pan <jianxin.pan@...ogic.com>
To: Kevin Hilman <khilman@...libre.com>,
<inux-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 v2 0/4] arm64: meson: add support for A1 Power Domains
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 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
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 | 42 +++++
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 | 203 +++++++++++++++++++++
include/dt-bindings/power/meson-a1-power.h | 32 ++++
include/linux/firmware/meson/meson_sm.h | 2 +
8 files changed, 302 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
Powered by blists - more mailing lists