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From c39edb9f9dcb6c8a0ba0ebf5df9e0ac93ab94b82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
Date: Fri, 5 Mar 2021 19:32:35 +0100
Subject: [PATCH] dt-bindings: nvmem: add Broadcom's NVRAM
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Broadcom's NVRAM structure contains device data and can be accessed
using I/O mapping.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
.../devicetree/bindings/nvmem/brcm,nvram.yaml | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml
--- /dev/null
+++ b/Documentation/devicetree/bindings/nvmem/brcm,nvram.yaml
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/brcm,nvram.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Broadcom's NVRAM
+
+description: |
+ Broadcom's NVRAM is a structure containing device specific environment
+ variables. It is used for storing device configuration, booting parameters
+ and calibration data.
+
+ NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9
+ devices usiong I/O mapped memory.
+
+maintainers:
+ - Rafał Miłecki <rafal@milecki.pl>
+
+allOf:
+ - $ref: "nvmem.yaml#"
+
+properties:
+ compatible:
+ const: brcm,nvram
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ nvram@1eff0000 {
+ compatible = "brcm,nvram";
+ reg = <0x1eff0000 0x10000>;
+ };
|
