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-rw-r--r--target/linux/generic/backport-5.15/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch117
1 files changed, 117 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch b/target/linux/generic/backport-5.15/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch
new file mode 100644
index 0000000000..0eb4c637cf
--- /dev/null
+++ b/target/linux/generic/backport-5.15/406-v5.13-0003-dt-bindings-mtd-Document-use-of-nvmem-cells-compatib.patch
@@ -0,0 +1,117 @@
+From 377aa0135dc8489312edd3184d143ce3a89ff7ee Mon Sep 17 00:00:00 2001
+From: Ansuel Smith <ansuelsmth@gmail.com>
+Date: Fri, 12 Mar 2021 07:28:21 +0100
+Subject: [PATCH] dt-bindings: mtd: Document use of nvmem-cells compatible
+
+Document nvmem-cells compatible used to treat mtd partitions as a
+nvmem provider.
+
+Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+Reviewed-by: Rob Herring <robh@kernel.org>
+---
+ .../bindings/mtd/partitions/nvmem-cells.yaml | 99 +++++++++++++++++++
+ 1 file changed, 99 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
+
+--- /dev/null
++++ b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
+@@ -0,0 +1,99 @@
++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
++%YAML 1.2
++---
++$id: http://devicetree.org/schemas/mtd/partitions/nvmem-cells.yaml#
++$schema: http://devicetree.org/meta-schemas/core.yaml#
++
++title: Nvmem cells
++
++description: |
++ Any partition containing the compatible "nvmem-cells" will register as a
++ nvmem provider.
++ Each direct subnodes represents a nvmem cell following the nvmem binding.
++ Nvmem binding to declare nvmem-cells can be found in:
++ Documentation/devicetree/bindings/nvmem/nvmem.yaml
++
++maintainers:
++ - Ansuel Smith <ansuelsmth@gmail.com>
++
++allOf:
++ - $ref: /schemas/nvmem/nvmem.yaml#
++
++properties:
++ compatible:
++ const: nvmem-cells
++
++required:
++ - compatible
++
++additionalProperties: true
++
++examples:
++ - |
++ partitions {
++ compatible = "fixed-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ /* ... */
++
++ };
++ art: art@1200000 {
++ compatible = "nvmem-cells";
++ reg = <0x1200000 0x0140000>;
++ label = "art";
++ read-only;
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ macaddr_gmac1: macaddr_gmac1@0 {
++ reg = <0x0 0x6>;
++ };
++
++ macaddr_gmac2: macaddr_gmac2@6 {
++ reg = <0x6 0x6>;
++ };
++
++ pre_cal_24g: pre_cal_24g@1000 {
++ reg = <0x1000 0x2f20>;
++ };
++
++ pre_cal_5g: pre_cal_5g@5000{
++ reg = <0x5000 0x2f20>;
++ };
++ };
++ - |
++ partitions {
++ compatible = "fixed-partitions";
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ partition@0 {
++ label = "bootloader";
++ reg = <0x000000 0x100000>;
++ read-only;
++ };
++
++ firmware@100000 {
++ compatible = "brcm,trx";
++ label = "firmware";
++ reg = <0x100000 0xe00000>;
++ };
++
++ calibration@f00000 {
++ compatible = "nvmem-cells";
++ label = "calibration";
++ reg = <0xf00000 0x100000>;
++ ranges = <0 0xf00000 0x100000>;
++ #address-cells = <1>;
++ #size-cells = <1>;
++
++ wifi0@0 {
++ reg = <0x000000 0x080000>;
++ };
++
++ wifi1@80000 {
++ reg = <0x080000 0x080000>;
++ };
++ };
++ };