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3fd0a4222b
1. Use upstream accepted NVMEM patches 2. Minor fix for BCM4908 partitioning 3. Support for Linksys firmware partitions on Northstar Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
120 lines
3.1 KiB
Diff
120 lines
3.1 KiB
Diff
From ac42c46f983e4a9003a7bb91ad44a23ab7b8f534 Mon Sep 17 00:00:00 2001
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From: Ansuel Smith <ansuelsmth@gmail.com>
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Date: Fri, 12 Mar 2021 07:28:21 +0100
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Subject: [PATCH] dt-bindings: mtd: Document use of nvmem-cells compatible
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Document nvmem-cells compatible used to treat mtd partitions as a
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nvmem provider.
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Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Link: https://lore.kernel.org/linux-mtd/20210312062830.20548-3-ansuelsmth@gmail.com
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---
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.../bindings/mtd/partitions/nvmem-cells.yaml | 99 +++++++++++++++++++
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1 file changed, 99 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/mtd/partitions/nvmem-cells.yaml
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@@ -0,0 +1,99 @@
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/mtd/partitions/nvmem-cells.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: Nvmem cells
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+
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+description: |
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+ Any partition containing the compatible "nvmem-cells" will register as a
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+ nvmem provider.
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+ Each direct subnodes represents a nvmem cell following the nvmem binding.
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+ Nvmem binding to declare nvmem-cells can be found in:
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+ Documentation/devicetree/bindings/nvmem/nvmem.yaml
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+
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+maintainers:
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+ - Ansuel Smith <ansuelsmth@gmail.com>
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+
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+allOf:
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+ - $ref: /schemas/nvmem/nvmem.yaml#
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+
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+properties:
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+ compatible:
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+ const: nvmem-cells
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+
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+required:
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+ - compatible
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+
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+additionalProperties: true
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+
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+examples:
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+ - |
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+ partitions {
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+ compatible = "fixed-partitions";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ /* ... */
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+
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+ };
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+ art: art@1200000 {
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+ compatible = "nvmem-cells";
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+ reg = <0x1200000 0x0140000>;
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+ label = "art";
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+ read-only;
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ macaddr_gmac1: macaddr_gmac1@0 {
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+ reg = <0x0 0x6>;
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+ };
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+
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+ macaddr_gmac2: macaddr_gmac2@6 {
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+ reg = <0x6 0x6>;
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+ };
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+
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+ pre_cal_24g: pre_cal_24g@1000 {
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+ reg = <0x1000 0x2f20>;
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+ };
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+
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+ pre_cal_5g: pre_cal_5g@5000{
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+ reg = <0x5000 0x2f20>;
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+ };
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+ };
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+ - |
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+ partitions {
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+ compatible = "fixed-partitions";
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ partition@0 {
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+ label = "bootloader";
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+ reg = <0x000000 0x100000>;
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+ read-only;
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+ };
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+
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+ firmware@100000 {
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+ compatible = "brcm,trx";
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+ label = "firmware";
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+ reg = <0x100000 0xe00000>;
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+ };
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+
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+ calibration@f00000 {
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+ compatible = "nvmem-cells";
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+ label = "calibration";
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+ reg = <0xf00000 0x100000>;
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+ ranges = <0 0xf00000 0x100000>;
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ wifi0@0 {
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+ reg = <0x000000 0x080000>;
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+ };
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+
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+ wifi1@80000 {
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+ reg = <0x080000 0x080000>;
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+ };
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+ };
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+ };
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