1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 $id: "http://devicetree.org/schemas/soc/qcom/qcom,smem.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Qualcomm Shared Memory Manager binding
10 - Andy Gross <agross@kernel.org>
11 - Bjorn Andersson <bjorn.andersson@linaro.org>
14 This binding describes the Qualcomm Shared Memory Manager, a region of
15 reserved-memory used to share data between various subsystems and OSes in
27 description: handle to memory reservation for main SMEM memory region.
33 $ref: /schemas/types.yaml#/definitions/phandle
34 description: handle to RPM message memory resource
49 additionalProperties: false
59 compatible = "qcom,smem";
60 reg = <0xfa00000 0x200000>;
63 hwlocks = <&tcsr_mutex 3>;
72 smem_region: smem@fa00000 {
73 reg = <0xfa00000 0x200000>;
79 compatible = "qcom,smem";
81 memory-region = <&smem_region>;
82 qcom,rpm-msg-ram = <&rpm_msg_ram>;
84 hwlocks = <&tcsr_mutex 3>;
92 rpm_msg_ram: sram@fc428000 {
93 compatible = "qcom,rpm-msg-ram";
94 reg = <0xfc428000 0x4000>;