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Date: Tue, 6 Jun 2017 02:53:58 +0200
From: Andreas Färber <afaerber@...e.de>
To: linux-arm-kernel@...ts.infradead.org
Cc: mp-cs@...ions-semi.com, Thomas Liau <thomas.liau@...ions-semi.com>,
张东风 <zhangdf@...ions-semi.com>,
刘炜 <liuwei@...ions-semi.com>,
张天益 <tyzhang@...ions-semi.com>,
96boards@...obotics.com, support@...aker.org,
linux-kernel@...r.kernel.org,
Andreas Färber <afaerber@...e.de>,
Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
Rob Herring <robh@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>,
linux-serial@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-pm@...r.kernel.org, "Rafael J . Wysocki" <rjw@...ysocki.net>,
Kevin Hilman <khilman@...nel.org>,
Ulf Hansson <ulf.hansson@...aro.org>,
linux-doc@...r.kernel.org, Jonathan Corbet <corbet@....net>,
devicetree@...r.kernel.org
Subject: [PATCH v4 00/28] ARM: Initial Actions Semi S500 and S900 enablement
Hello,
This patch series adds initial support for Actions Semiconductor S500 (ARMv7)
and S900 (ARMv8) SoCs.
v4 refactors the clocksource driver again and fixes power-gating for CPU2/CPU3.
With this v4 I would like to start applying initial patches to my tree for 4.13.
@Actions: Last call for comments on vendor prefix and SoC bindings!
@uCRobotics: Last call for comments on vendor prefix and board bindings!
@LeMaker: Last call for comments on module and board bindings!
Work branch for testing:
https://github.com/afaerber/linux/commits/bg96-next
Booting from U-Boot to initrd is straightforward on both boards:
https://en.opensuse.org/HCL:Guitar
https://en.opensuse.org/HCL:Bubblegum-96
Have a lot of fun!
Cheers,
Andreas
v3 -> v4:
* Revert to hardcoded TIMER0/1 in clocksource (Daniel)
* Make power domains CPU2 and CPU3 always-on
* Clean up SMP vs. PM domains code duplication
* Extend earlycon documentation (Jonathan)
* Update MAINTAINERS with SPS files
v2 -> v3:
* Clocksource fix
* Clocksource cleanups (Daniel)
* Serial cleanups
* Add S500 CPU enable-method
* Add power domain driver
* Rework clocksource for S900 compatibility
v1 -> v2:
* S900 DT fixes (Mark)
* Kconfig name changes (Arnd)
* Bubblegum-96 .dts rename
* Vendor prefix rename
* Minor cleanups
* Add serial driver
* Add MAINTAINERS section
* Use SPDX-License-Identifier in DT (Rob)
* Add clocksource driver
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Olof Johansson <olof@...om.net>
Cc: Rob Herring <robh@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: mp-cs@...ions-semi.com
Cc: Thomas Liau <thomas.liau@...ions-semi.com>
Cc: 96boards@...obotics.com
Cc: support@...aker.org
Cc: linux-serial@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-pm@...r.kernel.org
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Kevin Hilman <khilman@...nel.org>
Cc: Ulf Hansson <ulf.hansson@...aro.org>
Cc: linux-doc@...r.kernel.org
Cc: Jonathan Corbet <corbet@....net>
Cc: devicetree@...r.kernel.org
Andreas Färber (28):
dt-bindings: Add vendor prefix for Actions Semi
dt-bindings: arm: Document Actions Semi S500
dt-bindings: timer: Document Owl timer
clocksource: Add Owl timer
clocksource: owl: Add S900 support
ARM: Prepare Actions Semi S500
ARM64: Prepare Actions Semi S900
dt-bindings: serial: Document Actions Semi Owl UARTs
tty: serial: Add Actions Semi Owl UART earlycon
Documentation: kernel-parameters: Document owl earlycon
ARM: dts: Add Actions Semi S500 and LeMaker Guitar
dt-bindings: Add vendor prefix for uCRobotics
dt-bindings: arm: Document Actions Semi S900
ARM64: dts: Add Actions Semi S900 and Bubblegum-96
MAINTAINERS: Add Actions Semi Owl section
tty: serial: owl: Implement console driver
ARM64: dts: actions: s900-bubblegum-96: Add fake uart5 clock
ARM: dts: s500-guitar-bb-rev-b: Add fake uart3 clock
dt-bindings: arm: cpus: Add S500 enable-method
ARM: owl: Implement CPU enable-method for S500
ARM: dts: s500: Set CPU enable-method
dt-bindings: power: Add Owl SPS power domains
soc: actions: Add Owl SPS
MAINTAINERS: Update Actions Semi section with SPS
ARM: dts: s500: Add SPS node
ARM: dts: s500: Set power domains for CPU2 and CPU3
soc: actions: owl-sps: Factor out owl_sps_set_pg() for power-gating
ARM: owl: smp: Implement SPS power-gating for CPU2 and CPU3
Documentation/admin-guide/kernel-parameters.txt | 6 +
Documentation/devicetree/bindings/arm/actions.txt | 39 ++
Documentation/devicetree/bindings/arm/cpus.txt | 1 +
.../devicetree/bindings/power/actions,owl-sps.txt | 17 +
.../bindings/serial/actions,owl-uart.txt | 16 +
.../bindings/timer/actions,owl-timer.txt | 20 +
.../devicetree/bindings/vendor-prefixes.txt | 2 +
MAINTAINERS | 13 +
arch/arm/Kconfig | 2 +
arch/arm/Makefile | 1 +
arch/arm/boot/dts/Makefile | 2 +
arch/arm/boot/dts/s500-guitar-bb-rev-b.dts | 33 +
arch/arm/boot/dts/s500-guitar.dtsi | 22 +
arch/arm/boot/dts/s500.dtsi | 189 ++++++
arch/arm/mach-actions/Kconfig | 16 +
arch/arm/mach-actions/Makefile | 4 +
arch/arm/mach-actions/headsmp.S | 68 ++
arch/arm/mach-actions/owl.c | 28 +
arch/arm/mach-actions/platsmp.c | 198 ++++++
arch/arm64/Kconfig.platforms | 6 +
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/actions/Makefile | 5 +
arch/arm64/boot/dts/actions/s900-bubblegum-96.dts | 42 ++
arch/arm64/boot/dts/actions/s900.dtsi | 164 +++++
drivers/clocksource/Kconfig | 7 +
drivers/clocksource/Makefile | 1 +
drivers/clocksource/owl-timer.c | 172 +++++
drivers/soc/Kconfig | 1 +
drivers/soc/Makefile | 1 +
drivers/soc/actions/Kconfig | 16 +
drivers/soc/actions/Makefile | 2 +
drivers/soc/actions/owl-sps-helper.c | 51 ++
drivers/soc/actions/owl-sps.c | 224 +++++++
drivers/tty/serial/Kconfig | 19 +
drivers/tty/serial/Makefile | 1 +
drivers/tty/serial/owl-uart.c | 724 +++++++++++++++++++++
include/dt-bindings/power/s500-powergate.h | 19 +
include/linux/soc/actions/owl-sps.h | 11 +
include/uapi/linux/serial_core.h | 3 +
39 files changed, 2147 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/actions.txt
create mode 100644 Documentation/devicetree/bindings/power/actions,owl-sps.txt
create mode 100644 Documentation/devicetree/bindings/serial/actions,owl-uart.txt
create mode 100644 Documentation/devicetree/bindings/timer/actions,owl-timer.txt
create mode 100644 arch/arm/boot/dts/s500-guitar-bb-rev-b.dts
create mode 100644 arch/arm/boot/dts/s500-guitar.dtsi
create mode 100644 arch/arm/boot/dts/s500.dtsi
create mode 100644 arch/arm/mach-actions/Kconfig
create mode 100644 arch/arm/mach-actions/Makefile
create mode 100644 arch/arm/mach-actions/headsmp.S
create mode 100644 arch/arm/mach-actions/owl.c
create mode 100644 arch/arm/mach-actions/platsmp.c
create mode 100644 arch/arm64/boot/dts/actions/Makefile
create mode 100644 arch/arm64/boot/dts/actions/s900-bubblegum-96.dts
create mode 100644 arch/arm64/boot/dts/actions/s900.dtsi
create mode 100644 drivers/clocksource/owl-timer.c
create mode 100644 drivers/soc/actions/Kconfig
create mode 100644 drivers/soc/actions/Makefile
create mode 100644 drivers/soc/actions/owl-sps-helper.c
create mode 100644 drivers/soc/actions/owl-sps.c
create mode 100644 drivers/tty/serial/owl-uart.c
create mode 100644 include/dt-bindings/power/s500-powergate.h
create mode 100644 include/linux/soc/actions/owl-sps.h
--
2.12.3
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