diff options
Diffstat (limited to 'dts/Bindings/soc/qcom/qcom,smem.yaml')
-rw-r--r-- | dts/Bindings/soc/qcom/qcom,smem.yaml | 40 |
1 files changed, 33 insertions, 7 deletions
diff --git a/dts/Bindings/soc/qcom/qcom,smem.yaml b/dts/Bindings/soc/qcom/qcom,smem.yaml index f7e17713b3..bc7815d985 100644 --- a/dts/Bindings/soc/qcom/qcom,smem.yaml +++ b/dts/Bindings/soc/qcom/qcom,smem.yaml @@ -1,23 +1,27 @@ # 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#" +$id: http://devicetree.org/schemas/soc/qcom/qcom,smem.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# -title: Qualcomm Shared Memory Manager binding +title: Qualcomm Shared Memory Manager maintainers: - Andy Gross <agross@kernel.org> - Bjorn Andersson <bjorn.andersson@linaro.org> -description: | - This binding describes the Qualcomm Shared Memory Manager, used to share data - between various subsystems and OSes in Qualcomm platforms. +description: + This binding describes the Qualcomm Shared Memory Manager, a region of + reserved-memory used to share data between various subsystems and OSes in + Qualcomm platforms. properties: compatible: const: qcom,smem + reg: + maxItems: 1 + memory-region: maxItems: 1 description: handle to memory reservation for main SMEM memory region. @@ -29,11 +33,19 @@ properties: $ref: /schemas/types.yaml#/definitions/phandle description: handle to RPM message memory resource + no-map: true + required: - compatible - - memory-region - hwlocks +oneOf: + - required: + - reg + - no-map + - required: + - memory-region + additionalProperties: false examples: @@ -43,6 +55,20 @@ examples: #size-cells = <1>; ranges; + smem@fa00000 { + compatible = "qcom,smem"; + reg = <0xfa00000 0x200000>; + no-map; + + hwlocks = <&tcsr_mutex 3>; + }; + }; + - | + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + smem_region: smem@fa00000 { reg = <0xfa00000 0x200000>; no-map; |