lkml.org 
[lkml]   [2019]   [Nov]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Subject[PATCH v5 0/4] arm64: meson: add support for A1 Power Domains
Date
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 v4 at [3]:
- add SM_A1_ prefix for PWRC_SET/GET
- rename variable and update comments

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
[3] https://lore.kernel.org/linux-amlogic/1572868028-73076-1-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

\
 
 \ /
  Last update: 2019-11-12 05:30    [W:0.066 / U:0.560 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site