On Thu 10 Dec 18:10 CST 2020, Dmitry Baryshkov wrote:
> Convert soc/qcom/qcom,smem.txt bindings to YAML format.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Regards,
Bjorn
> ---
> .../bindings/soc/qcom/qcom,smem.txt | 57 ---------------
> .../bindings/soc/qcom/qcom,smem.yaml | 73 +++++++++++++++++++
> 2 files changed, 73 insertions(+), 57 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt
> create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,smem.yaml
>
> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt b/Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt
> deleted file mode 100644
> index 9326cdf6e1b1..000000000000
> --- a/Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt
> +++ /dev/null
> @@ -1,57 +0,0 @@
> -Qualcomm Shared Memory Manager binding
> -
> -This binding describes the Qualcomm Shared Memory Manager, used to share data
> -between various subsystems and OSes in Qualcomm platforms.
> -
> -- compatible:
> - Usage: required
> - Value type: <stringlist>
> - Definition: must be:
> - "qcom,smem"
> -
> -- memory-region:
> - Usage: required
> - Value type: <prop-encoded-array>
> - Definition: handle to memory reservation for main SMEM memory region.
> -
> -- qcom,rpm-msg-ram:
> - Usage: required
> - Value type: <prop-encoded-array>
> - Definition: handle to RPM message memory resource
> -
> -- hwlocks:
> - Usage: required
> - Value type: <prop-encoded-array>
> - Definition: reference to a hwspinlock used to protect allocations from
> - the shared memory
> -
> -= EXAMPLE
> -The following example shows the SMEM setup for MSM8974, with a main SMEM region
> -at 0xfa00000 and the RPM message ram at 0xfc428000:
> -
> - reserved-memory {
> - #address-cells = <1>;
> - #size-cells = <1>;
> - ranges;
> -
> - smem_region: smem@fa00000 {
> - reg = <0xfa00000 0x200000>;
> - no-map;
> - };
> - };
> -
> - smem@fa00000 {
> - compatible = "qcom,smem";
> -
> - memory-region = <&smem_region>;
> - qcom,rpm-msg-ram = <&rpm_msg_ram>;
> -
> - hwlocks = <&tcsr_mutex 3>;
> - };
> -
> - soc {
> - rpm_msg_ram: memory@fc428000 {
> - compatible = "qcom,rpm-msg-ram";
> - reg = <0xfc428000 0x4000>;
> - };
> - };
> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,smem.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,smem.yaml
> new file mode 100644
> index 000000000000..832bf54239c8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,smem.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/soc/qcom/qcom,smem.yaml#";
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#";
> +
> +title: Qualcomm Shared Memory Manager binding
> +
> +maintainers:
> + - Andy Gross <agross@xxxxxxxxxx>
> + - Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> +
> +description: |
> + This binding describes the Qualcomm Shared Memory Manager, used to share data
> + between various subsystems and OSes in Qualcomm platforms.
> +
> +properties:
> + compatible:
> + const: "qcom-smem"
> +
> + memory-region:
> + maxItems: 1
> + description: handle to memory reservation for main SMEM memory region.
> +
> + hwlocks:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: reference to a hwspinlock used to protect allocations from the shared memory
> +
> + qcom,rpm-msg-ram:
> + $ref: /schemas/types.yaml#/definitions/phandle
> + description: handle to RPM message memory resource
> +
> +required:
> + - compatible
> + - memory-region
> + - hwlocks
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + smem_region: smem@fa00000 {
> + reg = <0xfa00000 0x200000>;
> + no-map;
> + };
> + };
> +
> + smem {
> + compatible = "qcom,smem";
> +
> + memory-region = <&smem_region>;
> + qcom,rpm-msg-ram = <&rpm_msg_ram>;
> +
> + hwlocks = <&tcsr_mutex 3>;
> + };
> +
> + soc {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + rpm_msg_ram: sram@fc428000 {
> + compatible = "qcom,rpm-msg-ram";
> + reg = <0xfc428000 0x4000>;
> + };
> + };
> +
> +...
> --
> 2.29.2
>
