Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Thu, Oct 18, 2018 at 09:31:35AM -0500, Rob Herring wrote: > On Tue, 16 Oct 2018 10:58:37 +0800, Guo Ren wrote: > > This patch adds the documentation to describe that how to add cpu nodes in > > dts for SMP. > > > > Signed-off-by: Guo Ren > > Cc: Rob Herring > > --- > > Changelog: > > - Add compatible. > > - Remove status part. > > --- > > --- > > Documentation/devicetree/bindings/csky/cpus.txt | 73 > > + > > 1 file changed, 73 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/csky/cpus.txt > > > > Reviewed-by: Rob Herring Thx Rob Best Regards Guo Ren
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Thu, Oct 18, 2018 at 09:31:35AM -0500, Rob Herring wrote: > On Tue, 16 Oct 2018 10:58:37 +0800, Guo Ren wrote: > > This patch adds the documentation to describe that how to add cpu nodes in > > dts for SMP. > > > > Signed-off-by: Guo Ren > > Cc: Rob Herring > > --- > > Changelog: > > - Add compatible. > > - Remove status part. > > --- > > --- > > Documentation/devicetree/bindings/csky/cpus.txt | 73 > > + > > 1 file changed, 73 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/csky/cpus.txt > > > > Reviewed-by: Rob Herring Thx Rob Best Regards Guo Ren
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Tue, 16 Oct 2018 10:58:37 +0800, Guo Ren wrote: > This patch adds the documentation to describe that how to add cpu nodes in > dts for SMP. > > Signed-off-by: Guo Ren > Cc: Rob Herring > --- > Changelog: > - Add compatible. > - Remove status part. > --- > --- > Documentation/devicetree/bindings/csky/cpus.txt | 73 > + > 1 file changed, 73 insertions(+) > create mode 100644 Documentation/devicetree/bindings/csky/cpus.txt > Reviewed-by: Rob Herring
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Tue, 16 Oct 2018 10:58:37 +0800, Guo Ren wrote: > This patch adds the documentation to describe that how to add cpu nodes in > dts for SMP. > > Signed-off-by: Guo Ren > Cc: Rob Herring > --- > Changelog: > - Add compatible. > - Remove status part. > --- > --- > Documentation/devicetree/bindings/csky/cpus.txt | 73 > + > 1 file changed, 73 insertions(+) > create mode 100644 Documentation/devicetree/bindings/csky/cpus.txt > Reviewed-by: Rob Herring
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Thu, Oct 18, 2018 at 11:21:30AM +0800, Guo Ren wrote: > On Wed, Oct 17, 2018 at 05:50:33PM +0200, Arnd Bergmann wrote: > > On Tue, Oct 16, 2018 at 5:30 AM Guo Ren wrote: > > > > > > This patch adds the documentation to describe that how to add cpu nodes in > > > dts for SMP. > > > > > > Signed-off-by: Guo Ren > > > Cc: Rob Herring > > > > I don't see anything wrong, but I'll let Rob or some other DT maintainer > > provide an Ack when they are happy. > Yes, Rob help a lot for reviewing the DT-docs of csky subsystem. Thx Bob :) Sorry, Thx Rob. > > Best Regards > Guo Ren
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Thu, Oct 18, 2018 at 11:21:30AM +0800, Guo Ren wrote: > On Wed, Oct 17, 2018 at 05:50:33PM +0200, Arnd Bergmann wrote: > > On Tue, Oct 16, 2018 at 5:30 AM Guo Ren wrote: > > > > > > This patch adds the documentation to describe that how to add cpu nodes in > > > dts for SMP. > > > > > > Signed-off-by: Guo Ren > > > Cc: Rob Herring > > > > I don't see anything wrong, but I'll let Rob or some other DT maintainer > > provide an Ack when they are happy. > Yes, Rob help a lot for reviewing the DT-docs of csky subsystem. Thx Bob :) Sorry, Thx Rob. > > Best Regards > Guo Ren
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Wed, Oct 17, 2018 at 05:50:33PM +0200, Arnd Bergmann wrote: > On Tue, Oct 16, 2018 at 5:30 AM Guo Ren wrote: > > > > This patch adds the documentation to describe that how to add cpu nodes in > > dts for SMP. > > > > Signed-off-by: Guo Ren > > Cc: Rob Herring > > I don't see anything wrong, but I'll let Rob or some other DT maintainer > provide an Ack when they are happy. Yes, Rob help a lot for reviewing the DT-docs of csky subsystem. Thx Bob :) Best Regards Guo Ren
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Wed, Oct 17, 2018 at 05:50:33PM +0200, Arnd Bergmann wrote: > On Tue, Oct 16, 2018 at 5:30 AM Guo Ren wrote: > > > > This patch adds the documentation to describe that how to add cpu nodes in > > dts for SMP. > > > > Signed-off-by: Guo Ren > > Cc: Rob Herring > > I don't see anything wrong, but I'll let Rob or some other DT maintainer > provide an Ack when they are happy. Yes, Rob help a lot for reviewing the DT-docs of csky subsystem. Thx Bob :) Best Regards Guo Ren
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Tue, Oct 16, 2018 at 5:30 AM Guo Ren wrote: > > This patch adds the documentation to describe that how to add cpu nodes in > dts for SMP. > > Signed-off-by: Guo Ren > Cc: Rob Herring I don't see anything wrong, but I'll let Rob or some other DT maintainer provide an Ack when they are happy. Arnd
Re: [PATCH V9 18/21] dt-bindings: csky CPU Bindings
On Tue, Oct 16, 2018 at 5:30 AM Guo Ren wrote: > > This patch adds the documentation to describe that how to add cpu nodes in > dts for SMP. > > Signed-off-by: Guo Ren > Cc: Rob Herring I don't see anything wrong, but I'll let Rob or some other DT maintainer provide an Ack when they are happy. Arnd
[PATCH V9 18/21] dt-bindings: csky CPU Bindings
This patch adds the documentation to describe that how to add cpu nodes in
dts for SMP.
Signed-off-by: Guo Ren
Cc: Rob Herring
---
Changelog:
- Add compatible.
- Remove status part.
---
---
Documentation/devicetree/bindings/csky/cpus.txt | 73 +
1 file changed, 73 insertions(+)
create mode 100644 Documentation/devicetree/bindings/csky/cpus.txt
diff --git a/Documentation/devicetree/bindings/csky/cpus.txt
b/Documentation/devicetree/bindings/csky/cpus.txt
new file mode 100644
index 000..ae79412
--- /dev/null
+++ b/Documentation/devicetree/bindings/csky/cpus.txt
@@ -0,0 +1,73 @@
+==
+C-SKY CPU Bindings
+==
+
+The device tree allows to describe the layout of CPUs in a system through
+the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
+defining properties for every cpu.
+
+Only SMP system need to care about the cpus node and single processor
+needn't define cpus node at all.
+
+=
+cpus and cpu node bindings definition
+=
+
+- cpus node
+
+ Description: Container of cpu nodes
+
+ The node name must be "cpus".
+
+ A cpus node must define the following properties:
+
+ - #address-cells
+ Usage: required
+ Value type:
+ Definition: must be set to 1
+ - #size-cells
+ Usage: required
+ Value type:
+ Definition: must be set to 0
+
+- cpu node
+
+ Description: Describes one of SMP cores
+
+ PROPERTIES
+
+ - device_type
+ Usage: required
+ Value type:
+ Definition: must be "cpu"
+ - reg
+ Usage: required
+ Value type:
+ Definition: CPU index
+ - compatible:
+ Usage: required
+ Value type:
+ Definition: must contain "csky", eg:
+ "csky,610"
+ "csky,807"
+ "csky,810"
+ "csky,860"
+
+Example:
+
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu@0 {
+ device_type = "cpu";
+ reg = <0>;
+ status = "ok";
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ reg = <1>;
+ status = "ok";
+ };
+ };
--
2.7.4
[PATCH V9 18/21] dt-bindings: csky CPU Bindings
This patch adds the documentation to describe that how to add cpu nodes in
dts for SMP.
Signed-off-by: Guo Ren
Cc: Rob Herring
---
Changelog:
- Add compatible.
- Remove status part.
---
---
Documentation/devicetree/bindings/csky/cpus.txt | 73 +
1 file changed, 73 insertions(+)
create mode 100644 Documentation/devicetree/bindings/csky/cpus.txt
diff --git a/Documentation/devicetree/bindings/csky/cpus.txt
b/Documentation/devicetree/bindings/csky/cpus.txt
new file mode 100644
index 000..ae79412
--- /dev/null
+++ b/Documentation/devicetree/bindings/csky/cpus.txt
@@ -0,0 +1,73 @@
+==
+C-SKY CPU Bindings
+==
+
+The device tree allows to describe the layout of CPUs in a system through
+the "cpus" node, which in turn contains a number of subnodes (ie "cpu")
+defining properties for every cpu.
+
+Only SMP system need to care about the cpus node and single processor
+needn't define cpus node at all.
+
+=
+cpus and cpu node bindings definition
+=
+
+- cpus node
+
+ Description: Container of cpu nodes
+
+ The node name must be "cpus".
+
+ A cpus node must define the following properties:
+
+ - #address-cells
+ Usage: required
+ Value type:
+ Definition: must be set to 1
+ - #size-cells
+ Usage: required
+ Value type:
+ Definition: must be set to 0
+
+- cpu node
+
+ Description: Describes one of SMP cores
+
+ PROPERTIES
+
+ - device_type
+ Usage: required
+ Value type:
+ Definition: must be "cpu"
+ - reg
+ Usage: required
+ Value type:
+ Definition: CPU index
+ - compatible:
+ Usage: required
+ Value type:
+ Definition: must contain "csky", eg:
+ "csky,610"
+ "csky,807"
+ "csky,810"
+ "csky,860"
+
+Example:
+
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cpu@0 {
+ device_type = "cpu";
+ reg = <0>;
+ status = "ok";
+ };
+
+ cpu@1 {
+ device_type = "cpu";
+ reg = <1>;
+ status = "ok";
+ };
+ };
--
2.7.4
