Files
android_kernel_samsung_sm87…/bindings/memory-controllers/ddr/jedec,lpddr5.yaml
Melody Olvera 6f18ce8026 dt-bindings: Add devicetree bindings
Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").

Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
2023-04-03 15:40:37 -07:00

47 lines
1.0 KiB
YAML

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,lpddr5.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: LPDDR5 SDRAM compliant to JEDEC JESD209-5
maintainers:
- Krzysztof Kozlowski <krzk@kernel.org>
allOf:
- $ref: jedec,lpddr-props.yaml#
properties:
compatible:
items:
- pattern: "^lpddr5-[0-9a-f]{2},[0-9a-f]{4}$"
- const: jedec,lpddr5
serial-id:
$ref: /schemas/types.yaml#/definitions/uint32-array
description:
Serial IDs read from Mode Registers 47 through 54. One byte per uint32
cell (i.e. <MR47 MR48 MR49 MR50 MR51 MR52 MR53 MR54>).
maxItems: 8
items:
minimum: 0
maximum: 255
required:
- compatible
- density
- io-width
unevaluatedProperties: false
examples:
- |
lpddr {
compatible = "lpddr5-01,0200", "jedec,lpddr5";
density = <8192>;
io-width = <8>;
revision-id = <2 0>;
serial-id = <3 1 0 0 0 0 0 0>;
};