From: "jinkun.hong" <jinkun.hong@rock-chips.com> To: linus.walleij@linaro.org, linux-arm-kernel@lists.infradead.org Cc: Russell King <linux@arm.linux.org.uk>, Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>, Mark Rutland <mark.rutland@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Kumar Gala <galak@codeaurora.org>, Grant Likely <grant.likely@linaro.org>, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Randy Dunlap <rdunlap@infradead.org>, linux-doc@vger.kernel.org, dianders@chromium.org, Heiko Stuebner <heiko@sntech.de>, linux-rockchip@lists.infradead.org, Ulf Hansson <ulf.hansson@linaro.org>, "jinkun.hong" <jinkun.hong@rock-chips.com>, Jack Dai <jack.dai@rock-chips.com> Subject: [PATCH v3 2/3] dt-bindings: add document of Rockchip power domain Date: Thu, 16 Oct 2014 04:02:32 -0700 [thread overview] Message-ID: <1413457353-4222-3-git-send-email-jinkun.hong@rock-chips.com> (raw) In-Reply-To: <1413457353-4222-1-git-send-email-jinkun.hong@rock-chips.com> From: "jinkun.hong" <jinkun.hong@rock-chips.com> Signed-off-by: Jack Dai <jack.dai@rock-chips.com> Signed-off-by: jinkun.hong <jinkun.hong@rock-chips.com> --- Changes in v3: - DT structure has changed Changes in v2: - move clocks to "optional" .../bindings/arm/rockchip/power_domain.txt | 46 ++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/rockchip/power_domain.txt diff --git a/Documentation/devicetree/bindings/arm/rockchip/power_domain.txt b/Documentation/devicetree/bindings/arm/rockchip/power_domain.txt new file mode 100644 index 0000000..f8357b3 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/rockchip/power_domain.txt @@ -0,0 +1,46 @@ +* Rockchip Power Domains + +Rockchip processors include support for multiple power domains which can be +powered up/down by software based on different application scenes to save power. + +Required properties for power domain controller: +- compatible: should be one of the following. + * rockchip,rk3288-power-gpu - for rk3288 type gpu power domain. + * rockchip,rk3288-power-hevc - for rk3288 type hevc power domain. + * rockchip,rk3288-power-video - for rk3288 type video power domain. + * rockchip,rk3288-power-vio - for rk3288 type vio power domain. +- rockchip,pmu: phandle referencing a syscon providing the pmu registers +- #power-domain-cells: Number of cells in a power-domain specifier. + should be 0. + +Example: + + gpu_power: gpu-power-controller { + compatible = "rockchip,rk3288-power-gpu"; + rockchip,pmu = <&pmu>; + #power-domain-cells = <0>; + }; + + hevc_power: hevc-power-controller { + compatible = "rockchip,rk3288-power-hevc"; + rockchip,pmu = <&pmu>; + #power-domain-cells = <0>; + }; + + video_power: video-power-controller { + compatible = "rockchip,rk3288-power-video"; + rockchip,pmu = <&pmu>; + #power-domain-cells = <0>; + }; + + vio_power: vio-power-controller { + compatible = "rockchip,rk3288-power-vio"; + rockchip,pmu = <&pmu>; + #power-domain-cells = <0>; + }; + + gpu: gpu@0xffa30000 { + ... + power-domains = <&gpu_power>; + ... + }; -- 1.7.9.5
WARNING: multiple messages have this Message-ID (diff)
From: jinkun.hong@rock-chips.com (jinkun.hong) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 2/3] dt-bindings: add document of Rockchip power domain Date: Thu, 16 Oct 2014 04:02:32 -0700 [thread overview] Message-ID: <1413457353-4222-3-git-send-email-jinkun.hong@rock-chips.com> (raw) In-Reply-To: <1413457353-4222-1-git-send-email-jinkun.hong@rock-chips.com> From: "jinkun.hong" <jinkun.hong@rock-chips.com> Signed-off-by: Jack Dai <jack.dai@rock-chips.com> Signed-off-by: jinkun.hong <jinkun.hong@rock-chips.com> --- Changes in v3: - DT structure has changed Changes in v2: - move clocks to "optional" .../bindings/arm/rockchip/power_domain.txt | 46 ++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/rockchip/power_domain.txt diff --git a/Documentation/devicetree/bindings/arm/rockchip/power_domain.txt b/Documentation/devicetree/bindings/arm/rockchip/power_domain.txt new file mode 100644 index 0000000..f8357b3 --- /dev/null +++ b/Documentation/devicetree/bindings/arm/rockchip/power_domain.txt @@ -0,0 +1,46 @@ +* Rockchip Power Domains + +Rockchip processors include support for multiple power domains which can be +powered up/down by software based on different application scenes to save power. + +Required properties for power domain controller: +- compatible: should be one of the following. + * rockchip,rk3288-power-gpu - for rk3288 type gpu power domain. + * rockchip,rk3288-power-hevc - for rk3288 type hevc power domain. + * rockchip,rk3288-power-video - for rk3288 type video power domain. + * rockchip,rk3288-power-vio - for rk3288 type vio power domain. +- rockchip,pmu: phandle referencing a syscon providing the pmu registers +- #power-domain-cells: Number of cells in a power-domain specifier. + should be 0. + +Example: + + gpu_power: gpu-power-controller { + compatible = "rockchip,rk3288-power-gpu"; + rockchip,pmu = <&pmu>; + #power-domain-cells = <0>; + }; + + hevc_power: hevc-power-controller { + compatible = "rockchip,rk3288-power-hevc"; + rockchip,pmu = <&pmu>; + #power-domain-cells = <0>; + }; + + video_power: video-power-controller { + compatible = "rockchip,rk3288-power-video"; + rockchip,pmu = <&pmu>; + #power-domain-cells = <0>; + }; + + vio_power: vio-power-controller { + compatible = "rockchip,rk3288-power-vio"; + rockchip,pmu = <&pmu>; + #power-domain-cells = <0>; + }; + + gpu: gpu at 0xffa30000 { + ... + power-domains = <&gpu_power>; + ... + }; -- 1.7.9.5
next prev parent reply other threads:[~2014-10-16 11:03 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-10-16 11:02 [PATCH v3 0/3] ARM: rk3288 : Add PM Domain support jinkun.hong 2014-10-16 11:02 ` jinkun.hong 2014-10-16 11:02 ` [PATCH v3 1/3] power-domain: add power domain drivers for Rockchip platform jinkun.hong 2014-10-16 11:02 ` jinkun.hong 2014-10-16 13:06 ` Ulf Hansson 2014-10-16 13:06 ` Ulf Hansson 2014-10-16 13:06 ` Ulf Hansson 2014-10-17 13:56 ` Geert Uytterhoeven 2014-10-17 13:56 ` Geert Uytterhoeven 2014-10-17 13:56 ` Geert Uytterhoeven 2014-10-16 11:02 ` jinkun.hong [this message] 2014-10-16 11:02 ` [PATCH v3 2/3] dt-bindings: add document of Rockchip power domain jinkun.hong 2014-10-16 11:02 ` [PATCH v3 3/3] ARM: dts: add rk3288 power-domain node jinkun.hong 2014-10-16 11:02 ` jinkun.hong
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