On Mon, Jun 22, 2020 at 1:59 AM Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> wrote: > > Migrate the Qualcomm TCSR mutex binding to YAML to allow validation. > > Reviewed-by: Vinod Koul <vkoul@xxxxxxxxxx> > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> > --- > > Changes since v1: > - Actually remove the old binding doc > > .../bindings/hwlock/qcom-hwspinlock.txt | 39 -------------- > .../bindings/hwlock/qcom-hwspinlock.yaml | 51 +++++++++++++++++++ > 2 files changed, 51 insertions(+), 39 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.txt > create mode 100644 Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml [...] > diff --git a/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml > new file mode 100644 > index 000000000000..71e63b52edd5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml > @@ -0,0 +1,51 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm Hardware Mutex Block > + > +maintainers: > + - Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> > + > +description: > + The hardware block provides mutexes utilized between different processors on > + the SoC as part of the communication protocol used by these processors. > + > +properties: > + compatible: > + enum: > + - qcom,sfpb-mutex > + - qcom,tcsr-mutex > + > + '#hwlock-cells': > + const: 1 > + > + syscon: > + $ref: "/schemas/types.yaml#/definitions/phandle-array" > + description: > + Should be a triple of phandle referencing the TCSR mutex syscon, offset > + of first mutex within the syscon and stride between each mutex. > + > +required: > + - compatible > + - '#hwlock-cells' > + - syscon > + > +additionalProperties: false > + > +examples: > + - | > + tcsr_mutex_block: syscon@fd484000 { > + compatible = "syscon"; 'syscon' alone now generates warnings. Can you drop this node or add a specific compatible. > + reg = <0xfd484000 0x2000>; > + }; > + > + hwlock { > + compatible = "qcom,tcsr-mutex"; > + syscon = <&tcsr_mutex_block 0 0x80>; > + > + #hwlock-cells = <1>; > + }; > +... > -- > 2.26.2 >
