Up till now there was no single generic method to bind devices to their power domains using Device Tree. Each platform has been doing this using its own way, example of which are Exynos power domain bindings [1] and look-up code [2]. This series is intended to change this and provide generic DT bindings for power domain specification and generic code performing look-up of power domains and binding them to devices. Patches 1, 2, 3 are not directly related to this series, but they are dependencies of further patches making mach-s3c64xx a user of introduced code. Patch 4 is the most important part of this series, as it's the one introducing $subject. Further patches are fixing and adding two users, mach-exynos (removing the legacy code) and mach-s3c64xx (no DT support for power domains before). Last two patches are adding display support for Mini6410 board, including a node for display controller (FIMD) which is a power domain consumer. Successfully tested on S3C6410-based Mini6410 board. Tomasz Figa (10): ARM: s3c64xx: pm: Use name field of generic_pm_domain ARM: s3c64xx: pm: Add always_on field to s3c64xx_pm_domain struct ARM: s3c64xx: pm: Add pwr_stat bit for domain G base: power: Add generic OF-based power domain look-up ARM: exynos: Move to generic power domain bindings ARM: s3c64xx: pm: Add device tree based power domain instantiation ARM: s3c64xx: dt: Enable SoC-level power management ARM: dts: s3c64xx: Add nodes for power domains ARM: dts: s3c64xx: Add node for display controller ARM: dts: s3c6410-mini6410: Add support for LCD screen .../bindings/arm/exynos/power_domain.txt | 12 +- .../devicetree/bindings/power/power_domain.txt | 51 ++++ arch/arm/boot/dts/s3c6400.dtsi | 1 + arch/arm/boot/dts/s3c6410-mini6410.dts | 33 ++ arch/arm/boot/dts/s3c6410.dtsi | 1 + arch/arm/boot/dts/s3c64xx.dtsi | 13 + arch/arm/mach-exynos/pm_domains.c | 80 +---- arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c | 8 + arch/arm/mach-s3c64xx/pm.c | 106 +++++-- drivers/base/power/domain.c | 339 +++++++++++++++++++++ include/dt-bindings/arm/s3c64xx-power-domains.h | 26 ++ include/linux/pm_domain.h | 34 +++ kernel/power/Kconfig | 4 + 13 files changed, 597 insertions(+), 111 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/power_domain.txt create mode 100644 include/dt-bindings/arm/s3c64xx-power-domains.h -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
 |