| Message ID | 20170722185807.10504-2-martin.blumenstingl@googlemail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
Le 22/07/2017 20:58, Martin Blumenstingl a écrit : > The Amlogic Meson8/Meson8b/Meson8m2 clock controller provides some reset > lines. These are used for example to boot the secondary CPU cores. > > This patch describes the reset controller which is embedded into the > clock controller on these SoCs. > > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> > --- > Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt b/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt > index 606da38c0959..e1af4764114d 100644 > --- a/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt > +++ b/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt > @@ -16,18 +16,24 @@ Required Properties: > mapped region. > > - #clock-cells: should be 1. > +- #reset-cells: should be 1. > > Each clock is assigned an identifier and client nodes can use this identifier > to specify the clock which they consume. All available clocks are defined as > preprocessor macros in the dt-bindings/clock/meson8b-clkc.h header and can be > used in device tree sources. > +This is also valid for the reset lines provided by the clock controller: a > +preprocessor macro for each reset line is defined (in the same header file as > +the clock identifiers). > + > > Example: Clock controller node: > > clkc: clock-controller@c1104000 { > - #clock-cells = <1>; > compatible = "amlogic,meson8b-clkc"; > reg = <0xc1108000 0x4>, <0xc1104000 0x460>; > + #clock-cells = <1>; > + #reset-cells = <1>; > }; > > > Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt b/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt index 606da38c0959..e1af4764114d 100644 --- a/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt +++ b/Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt @@ -16,18 +16,24 @@ Required Properties: mapped region. - #clock-cells: should be 1. +- #reset-cells: should be 1. Each clock is assigned an identifier and client nodes can use this identifier to specify the clock which they consume. All available clocks are defined as preprocessor macros in the dt-bindings/clock/meson8b-clkc.h header and can be used in device tree sources. +This is also valid for the reset lines provided by the clock controller: a +preprocessor macro for each reset line is defined (in the same header file as +the clock identifiers). + Example: Clock controller node: clkc: clock-controller@c1104000 { - #clock-cells = <1>; compatible = "amlogic,meson8b-clkc"; reg = <0xc1108000 0x4>, <0xc1104000 0x460>; + #clock-cells = <1>; + #reset-cells = <1>; };
The Amlogic Meson8/Meson8b/Meson8m2 clock controller provides some reset lines. These are used for example to boot the secondary CPU cores. This patch describes the reset controller which is embedded into the clock controller on these SoCs. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> --- Documentation/devicetree/bindings/clock/amlogic,meson8b-clkc.txt | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)