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    Subject[PATCH v7 0/3] ARM: rk3288 : Add PM Domain support
    Date
    From: "jinkun.hong" <jinkun.hong@rock-chips.com>

    Add power domain drivers based on generic power domain for Rockchip platform,
    and support RK3288.

    https://chromium-review.googlesource.com/#/c/220253/9
    This is the GPU driver, add the following information in DT,
    and it can support the PMDOMAIN.

    gpu: gpu@ffa30000 {
    compatible = "arm,malit764",
    "arm,malit76x",
    "arm,malit7xx",
    "arm,mali-midgard";
    reg = <0xffa30000 0x10000>;
    interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
    <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
    <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
    interrupt-names = "JOB", "MMU", "GPU";
    clocks = <&cru ACLK_GPU>;
    clock-names = "aclk_gpu";
    operating-points = <
    /* KHz uV */
    100000 800000
    200000 850000
    300000 950000
    400000 1000000
    600000 1150000
    >;
    power-domains = <&gpu_power>;
    status = "disabled";
    };

    Based on:
    - [PATCH v1 1/4] PM / clock_ops: Add pm_clk_add_clk()
    http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg735599.html

    Changes in v7:
    - Delete unused variables

    Changes in v6:
    - delete pmu_lock
    - modify dev_lock using mutex
    - pm_clk_resume(pd->dev) change to pm_clk_resume(ed->dev)
    - pm_clk_suspend(pd->dev) change to pm_clk_suspend(ed->dev)
    - add devm_kfree(pd->dev, de) in rockchip_pm_domain_detach_dev

    Changes in v5:
    - delete idle_lock
    - add timeout in rockchip_pmu_set_idle_request()

    Changes in v4:
    - use list storage dev

    Changes in v3:
    - change use pm_clk_resume() and pm_clk_suspend()
    - DT structure has changed
    - Decomposition power-controller, changed to multiple controller
    (gpu-power-controller, hevc-power-controller)

    Changes in v2:
    - remove the "pd->pd.of_node = np"
    - move clocks to "optional"
    - make pd_vio clocks all one entry per line and alphabetize.
    - power: power-controller move back to pinctrl: pinctrl.

    jinkun.hong (3):
    power-domain: add power domain drivers for Rockchip platform
    dt-bindings: add document of Rockchip power domain
    ARM: dts: add rk3288 power-domain node

    .../bindings/arm/rockchip/power_domain.txt | 46 +++
    arch/arm/boot/dts/rk3288.dtsi | 24 ++
    arch/arm/mach-rockchip/Kconfig | 1 +
    arch/arm/mach-rockchip/Makefile | 1 +
    arch/arm/mach-rockchip/pm_domains.c | 355 ++++++++++++++++++++
    5 files changed, 427 insertions(+)
    create mode 100644 Documentation/devicetree/bindings/arm/rockchip/power_domain.txt
    create mode 100644 arch/arm/mach-rockchip/pm_domains.c

    --
    1.7.9.5



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