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.
This patchset is based on A1 DTB series at [0].
[0] https://lore.kernel.org/linux-amlogic/[email protected]
Jianxin Pan (3):
dt-bindings: power: add Amlogic secure power domains bindings
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 | 32 ++++
arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 6 +
drivers/soc/amlogic/Kconfig | 13 ++
drivers/soc/amlogic/Makefile | 1 +
drivers/soc/amlogic/meson-secure-pwrc.c | 182 +++++++++++++++++++++
include/dt-bindings/power/meson-a1-power.h | 32 ++++
6 files changed, 266 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
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2.7.4