1*fcdc6d76SKomal Bajaj# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*fcdc6d76SKomal Bajaj%YAML 1.2 3*fcdc6d76SKomal Bajaj--- 4*fcdc6d76SKomal Bajaj$id: http://devicetree.org/schemas/nvmem/qcom,sec-qfprom.yaml# 5*fcdc6d76SKomal Bajaj$schema: http://devicetree.org/meta-schemas/core.yaml# 6*fcdc6d76SKomal Bajaj 7*fcdc6d76SKomal Bajajtitle: Qualcomm Technologies Inc, Secure QFPROM Efuse 8*fcdc6d76SKomal Bajaj 9*fcdc6d76SKomal Bajajmaintainers: 10*fcdc6d76SKomal Bajaj - Komal Bajaj <quic_kbajaj@quicinc.com> 11*fcdc6d76SKomal Bajaj 12*fcdc6d76SKomal Bajajdescription: 13*fcdc6d76SKomal Bajaj For some of the Qualcomm SoC's, it is possible that the qfprom region is 14*fcdc6d76SKomal Bajaj protected from non-secure access. In such situations, the OS have to use 15*fcdc6d76SKomal Bajaj secure calls to read the region. 16*fcdc6d76SKomal Bajaj 17*fcdc6d76SKomal BajajallOf: 18*fcdc6d76SKomal Bajaj - $ref: nvmem.yaml# 19*fcdc6d76SKomal Bajaj 20*fcdc6d76SKomal Bajajproperties: 21*fcdc6d76SKomal Bajaj compatible: 22*fcdc6d76SKomal Bajaj items: 23*fcdc6d76SKomal Bajaj - enum: 24*fcdc6d76SKomal Bajaj - qcom,qdu1000-sec-qfprom 25*fcdc6d76SKomal Bajaj - const: qcom,sec-qfprom 26*fcdc6d76SKomal Bajaj 27*fcdc6d76SKomal Bajaj reg: 28*fcdc6d76SKomal Bajaj items: 29*fcdc6d76SKomal Bajaj - description: The secure qfprom corrected region. 30*fcdc6d76SKomal Bajaj 31*fcdc6d76SKomal Bajajrequired: 32*fcdc6d76SKomal Bajaj - compatible 33*fcdc6d76SKomal Bajaj - reg 34*fcdc6d76SKomal Bajaj 35*fcdc6d76SKomal BajajunevaluatedProperties: false 36*fcdc6d76SKomal Bajaj 37*fcdc6d76SKomal Bajajexamples: 38*fcdc6d76SKomal Bajaj - | 39*fcdc6d76SKomal Bajaj soc { 40*fcdc6d76SKomal Bajaj #address-cells = <2>; 41*fcdc6d76SKomal Bajaj #size-cells = <2>; 42*fcdc6d76SKomal Bajaj 43*fcdc6d76SKomal Bajaj efuse@221c8000 { 44*fcdc6d76SKomal Bajaj compatible = "qcom,qdu1000-sec-qfprom", "qcom,sec-qfprom"; 45*fcdc6d76SKomal Bajaj reg = <0 0x221c8000 0 0x1000>; 46*fcdc6d76SKomal Bajaj #address-cells = <1>; 47*fcdc6d76SKomal Bajaj #size-cells = <1>; 48*fcdc6d76SKomal Bajaj 49*fcdc6d76SKomal Bajaj multi_chan_ddr: multi-chan-ddr@12b { 50*fcdc6d76SKomal Bajaj reg = <0x12b 0x1>; 51*fcdc6d76SKomal Bajaj bits = <0 2>; 52*fcdc6d76SKomal Bajaj }; 53*fcdc6d76SKomal Bajaj }; 54*fcdc6d76SKomal Bajaj }; 55*fcdc6d76SKomal Bajaj 56