Message ID | 20160827134103.28160-2-xzy.xu@rock-chips.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On 2016/8/27 21:41, Ziyuan Xu wrote: > Add power domain as a optional property for sdhci-of-arasan, which can > be truned off in the so-called unused condition, such as suspend and > remove. Aim to lower power requirements. > > Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com> > > --- > > Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > index 3404afa..3f5189c 100644 > --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt > @@ -1,12 +1,14 @@ > Device Tree Bindings for the Arasan SDHCI Controller > > - The bindings follow the mmc[1], clock[2], interrupt[3] and phy[4] bindings. > + The bindings follow the mmc[1], clock[2], interrupt[3], phy[4] and power > + domain[5] bindings. > Only deviations are documented here. > > [1] Documentation/devicetree/bindings/mmc/mmc.txt > [2] Documentation/devicetree/bindings/clock/clock-bindings.txt > [3] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt > [4] Documentation/devicetree/bindings/phy/phy-bindings.txt > + [5] Documentation/devicetree/bindings/power/power_domain.txt > > Required Properties: > - compatible: Compatibility string. One of: > @@ -36,6 +38,8 @@ Optional Properties: > - #clock-cells: If specified this should be the value <0>. With this property > in place we will export a clock representing the Card Clock. This clock > is expected to be consumed by our PHY. You must also specify > + - power-domains: A phandle of and PM domain as specifier defined by bindings A phandle of what? > + of the power controller specified by phandle. > > Example: > sdhci@e0100000 { It would be nice to add the example code. >
On 2016年08月27日 22:50, Shawn Lin wrote: > On 2016/8/27 21:41, Ziyuan Xu wrote: >> Add power domain as a optional property for sdhci-of-arasan, which can >> be truned off in the so-called unused condition, such as suspend and >> remove. Aim to lower power requirements. >> >> Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com> >> >> --- >> >> Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 6 +++++- >> 1 file changed, 5 insertions(+), 1 deletion(-) >> >> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt >> b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt >> index 3404afa..3f5189c 100644 >> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt >> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt >> @@ -1,12 +1,14 @@ >> Device Tree Bindings for the Arasan SDHCI Controller >> >> - The bindings follow the mmc[1], clock[2], interrupt[3] and phy[4] >> bindings. >> + The bindings follow the mmc[1], clock[2], interrupt[3], phy[4] and >> power >> + domain[5] bindings. >> Only deviations are documented here. >> >> [1] Documentation/devicetree/bindings/mmc/mmc.txt >> [2] Documentation/devicetree/bindings/clock/clock-bindings.txt >> [3] >> Documentation/devicetree/bindings/interrupt-controller/interrupts.txt >> [4] Documentation/devicetree/bindings/phy/phy-bindings.txt >> + [5] Documentation/devicetree/bindings/power/power_domain.txt >> >> Required Properties: >> - compatible: Compatibility string. One of: >> @@ -36,6 +38,8 @@ Optional Properties: >> - #clock-cells: If specified this should be the value <0>. With >> this property >> in place we will export a clock representing the Card Clock. >> This clock >> is expected to be consumed by our PHY. You must also specify >> + - power-domains: A phandle of and PM domain as specifier defined >> by bindings > > A phandle of what? That's a typo. > >> + of the power controller specified by phandle. >> >> Example: >> sdhci@e0100000 { > > It would be nice to add the example code. Okay, I will show a sample code in V2. Thanks, shawn. > >> > >
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt index 3404afa..3f5189c 100644 --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt @@ -1,12 +1,14 @@ Device Tree Bindings for the Arasan SDHCI Controller - The bindings follow the mmc[1], clock[2], interrupt[3] and phy[4] bindings. + The bindings follow the mmc[1], clock[2], interrupt[3], phy[4] and power + domain[5] bindings. Only deviations are documented here. [1] Documentation/devicetree/bindings/mmc/mmc.txt [2] Documentation/devicetree/bindings/clock/clock-bindings.txt [3] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt [4] Documentation/devicetree/bindings/phy/phy-bindings.txt + [5] Documentation/devicetree/bindings/power/power_domain.txt Required Properties: - compatible: Compatibility string. One of: @@ -36,6 +38,8 @@ Optional Properties: - #clock-cells: If specified this should be the value <0>. With this property in place we will export a clock representing the Card Clock. This clock is expected to be consumed by our PHY. You must also specify + - power-domains: A phandle of and PM domain as specifier defined by bindings + of the power controller specified by phandle. Example: sdhci@e0100000 {
Add power domain as a optional property for sdhci-of-arasan, which can be truned off in the so-called unused condition, such as suspend and remove. Aim to lower power requirements. Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com> --- Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)