summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml98
1 files changed, 98 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml b/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
new file mode 100644
index 000000000..1a18b6bab
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/qcom,qfprom.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies Inc, QFPROM Efuse bindings
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+allOf:
+ - $ref: "nvmem.yaml#"
+
+properties:
+ compatible:
+ const: qcom,qfprom
+
+ reg:
+ # If the QFPROM is read-only OS image then only the corrected region
+ # needs to be provided. If the QFPROM is writable then all 4 regions
+ # must be provided.
+ oneOf:
+ - items:
+ - description: The corrected region.
+ - items:
+ - description: The corrected region.
+ - description: The raw region.
+ - description: The config region.
+ - description: The security control region.
+
+ # Clock must be provided if QFPROM is writable from the OS image.
+ clocks:
+ maxItems: 1
+ clock-names:
+ const: core
+
+ # Supply reference must be provided if QFPROM is writable from the OS image.
+ vcc-supply:
+ description: Our power supply.
+
+ # Needed if any child nodes are present.
+ "#address-cells":
+ const: 1
+ "#size-cells":
+ const: 1
+
+required:
+ - compatible
+ - reg
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,gcc-sc7180.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ efuse@784000 {
+ compatible = "qcom,qfprom";
+ reg = <0 0x00784000 0 0x8ff>,
+ <0 0x00780000 0 0x7a0>,
+ <0 0x00782000 0 0x100>,
+ <0 0x00786000 0 0x1fff>;
+ clocks = <&gcc GCC_SEC_CTRL_CLK_SRC>;
+ clock-names = "core";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vcc-supply = <&vreg_l11a_1p8>;
+
+ hstx-trim-primary@25b {
+ reg = <0x25b 0x1>;
+ bits = <1 3>;
+ };
+ };
+ };
+
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ efuse@784000 {
+ compatible = "qcom,qfprom";
+ reg = <0 0x00784000 0 0x8ff>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ hstx-trim-primary@1eb {
+ reg = <0x1eb 0x1>;
+ bits = <1 4>;
+ };
+ };
+ };