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v0.7.0
v0.7.0
https://github.com/torvalds/linux
Tip revision: 7e57714cd0ad2d5bb90e50b5096a0e671dec1ef3 authored by Linus Torvalds on 27 February 2022, 22:36:33 UTC
Linux 5.17-rc6
Linux 5.17-rc6
Tip revision: 7e57714
rockchip,nand-controller.yaml
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mtd/rockchip,nand-controller.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Rockchip SoCs NAND FLASH Controller (NFC)
allOf:
- $ref: "nand-controller.yaml#"
maintainers:
- Heiko Stuebner <heiko@sntech.de>
properties:
compatible:
oneOf:
- const: rockchip,px30-nfc
- const: rockchip,rk2928-nfc
- const: rockchip,rv1108-nfc
- items:
- const: rockchip,rk3036-nfc
- const: rockchip,rk2928-nfc
- items:
- const: rockchip,rk3308-nfc
- const: rockchip,rv1108-nfc
reg:
maxItems: 1
interrupts:
maxItems: 1
clocks:
minItems: 1
items:
- description: Bus Clock
- description: Module Clock
clock-names:
minItems: 1
items:
- const: ahb
- const: nfc
assigned-clocks:
maxItems: 1
assigned-clock-rates:
maxItems: 1
power-domains:
maxItems: 1
patternProperties:
"^nand@[0-7]$":
type: object
properties:
reg:
minimum: 0
maximum: 7
nand-ecc-mode:
const: hw
nand-ecc-step-size:
const: 1024
nand-ecc-strength:
enum: [16, 24, 40, 60, 70]
description: |
The ECC configurations that can be supported are as follows.
NFC v600 ECC 16, 24, 40, 60
RK2928, RK3066, RK3188
NFC v622 ECC 16, 24, 40, 60
RK3036, RK3128
NFC v800 ECC 16
RK3308, RV1108
NFC v900 ECC 16, 40, 60, 70
RK3326, PX30
nand-bus-width:
const: 8
rockchip,boot-blks:
$ref: /schemas/types.yaml#/definitions/uint32
minimum: 2
default: 16
description:
The NFC driver need this information to select ECC
algorithms supported by the boot ROM.
Only used in combination with 'nand-is-boot-medium'.
rockchip,boot-ecc-strength:
enum: [16, 24, 40, 60, 70]
allOf:
- $ref: /schemas/types.yaml#/definitions/uint32
description: |
If specified it indicates that a different BCH/ECC setting is
supported by the boot ROM.
NFC v600 ECC 16, 24
RK2928, RK3066, RK3188
NFC v622 ECC 16, 24, 40, 60
RK3036, RK3128
NFC v800 ECC 16
RK3308, RV1108
NFC v900 ECC 16, 70
RK3326, PX30
Only used in combination with 'nand-is-boot-medium'.
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
unevaluatedProperties: false
examples:
- |
#include <dt-bindings/clock/rk3308-cru.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
nfc: nand-controller@ff4b0000 {
compatible = "rockchip,rk3308-nfc",
"rockchip,rv1108-nfc";
reg = <0xff4b0000 0x4000>;
interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&cru HCLK_NANDC>, <&cru SCLK_NANDC>;
clock-names = "ahb", "nfc";
assigned-clocks = <&clks SCLK_NANDC>;
assigned-clock-rates = <150000000>;
pinctrl-0 = <&flash_ale &flash_bus8 &flash_cle &flash_csn0
&flash_rdn &flash_rdy &flash_wrn>;
pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
nand@0 {
reg = <0>;
label = "rk-nand";
nand-bus-width = <8>;
nand-ecc-mode = "hw";
nand-ecc-step-size = <1024>;
nand-ecc-strength = <16>;
nand-is-boot-medium;
rockchip,boot-blks = <8>;
rockchip,boot-ecc-strength = <16>;
};
};
...