Since the cpuboot memory region is not part of the RAM SoC, move cpuboot
in a deidicated syscon node.
This patch helps to keep backward-compatibility with older version of
uboot codebase where we have a limit of 8 reserved-memory dts child
nodes.
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
.../arm/mediatek/mediatek,mt7622-wed.yaml | 12 +++--
.../mediatek/mediatek,mt7986-wo-cpuboot.yaml | 45 +++++++++++++++++++
2 files changed, 53 insertions(+), 4 deletions(-)
create mode 100644 Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
index 5c223cb063d4..7f6638d43854 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt7622-wed.yaml
@@ -35,7 +35,6 @@ properties:
- description: firmware ILM region
- description: firmware DLM region
- description: firmware CPU DATA region
- - description: firmware BOOT region
memory-region-names:
items:
@@ -43,12 +42,15 @@ properties:
- const: wo-ilm
- const: wo-dlm
- const: wo-data
- - const: wo-boot
mediatek,wo-ccif:
$ref: /schemas/types.yaml#/definitions/phandle
description: mediatek wed-wo controller interface.
+ mediatek,wo-cpuboot:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: mediatek wed-wo cpuboot controller interface.
+
allOf:
- if:
properties:
@@ -60,6 +62,7 @@ allOf:
memory-region-names: false
memory-region: false
mediatek,wo-ccif: false
+ mediatek,wo-cpuboot: false
required:
- compatible
@@ -95,9 +98,10 @@ examples:
interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>;
memory-region = <&wo_emi>, <&wo_ilm>, <&wo_dlm>,
- <&wo_data>, <&wo_boot>;
+ <&wo_data>;
memory-region-names = "wo-emi", "wo-ilm", "wo-dlm",
- "wo-data", "wo-boot";
+ "wo-data";
mediatek,wo-ccif = <&wo_ccif0>;
+ mediatek,wo-cpuboot = <&wo_cpuboot>;
};
};
diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml
new file mode 100644
index 000000000000..1b45c8a86989
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml
@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/mediatek/mediatek,mt7986-wo-cpuboot.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Wireless Ethernet Dispatch (WED) WO Boot firmware interface for MT7986
+
+maintainers:
+ - Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
+ - Felix Fietkau <nbd@xxxxxxxx>
+
+description:
+ The MediaTek wo-cpuboot provides a configuration interface for WED WO
+ controller boot firmware. WED is used to perform offload rx packet
+ processing (e.g. 802.11 aggregation packet reordering or rx header
+ translation) on MT7986 soc.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt7986-wo-cpuboot
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ syscon@15194000 {
+ compatible = "mediatek,mt7986-wo-cpuboot", "syscon";
+ reg = <0 0x15194000 0 0x1000>;
+ };
+ };
--
2.39.2
