blob: 77c9bf91a54d9e35b0e56b3d7746759d64b72ed5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
From 86864bf8f40e84dc881c197ef470a88668329dbf Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Mon, 7 Aug 2023 21:21:45 +0100
Subject: [PATCH 12/15] dt-bindings: mmc: mmc-card: add block device nodes
Add nodes representing the block devices exposed by an MMC device
including an example involving nvmem-cells.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
.../devicetree/bindings/mmc/mmc-card.yaml | 45 +++++++++++++++++++
1 file changed, 45 insertions(+)
--- a/Documentation/devicetree/bindings/mmc/mmc-card.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-card.yaml
@@ -26,6 +26,18 @@ properties:
Use this to indicate that the mmc-card has a broken hpi
implementation, and that hpi should not be used.
+ block:
+ $ref: /schemas/block/block-device.yaml#
+ description:
+ Represents the block storage provided by an SD card or the
+ main hardware partition of an eMMC.
+
+patternProperties:
+ '^boot[0-9]+':
+ $ref: /schemas/block/block-device.yaml#
+ description:
+ Represents a boot hardware partition on an eMMC.
+
required:
- compatible
- reg
@@ -42,6 +54,39 @@ examples:
compatible = "mmc-card";
reg = <0>;
broken-hpi;
+
+ block {
+ partitions {
+ cal_data: block-partition-rf {
+ partnum = <3>;
+ partname = "rf";
+
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ eeprom@0 {
+ reg = <0x0 0x1000>;
+ };
+ };
+ };
+ };
+ };
+
+ boot1 {
+ nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ macaddr: macaddr@a {
+ compatible = "mac-base";
+ reg = <0xa 0x6>;
+ #nvmem-cell-cells = <1>;
+ };
+ };
+ };
};
};
|
