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Diffstat (limited to 'Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt')
-rw-r--r-- | Documentation/devicetree/bindings/soc/qcom/qcom,smem.txt | 57 |
1 files changed, 0 insertions, 57 deletions
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>; - }; - }; |