bindings/mtd/rockchip%2Cnand-controller.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mtd/rockchip,nand-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Rockchip SoCs NAND FLASH Controller (NFC)
10   - $ref: nand-controller.yaml#
13   - Heiko Stuebner <heiko@sntech.de>
18       - const: rockchip,px30-nfc
19       - const: rockchip,rk2928-nfc
20       - const: rockchip,rv1108-nfc
21       - items:
22           - enum:
23               - rockchip,rk3036-nfc
24               - rockchip,rk3128-nfc
25           - const: rockchip,rk2928-nfc
26       - items:
27           - const: rockchip,rk3308-nfc
28           - const: rockchip,rv1108-nfc
39       - description: Bus Clock
40       - description: Module Clock
42   clock-names:
45       - const: ahb
46       - const: nfc
48   assigned-clocks:
51   assigned-clock-rates:
54   power-domains:
58   "^nand@[0-7]$":
60     $ref: raw-nand-chip.yaml
66       nand-ecc-mode:
69       nand-ecc-step-size:
72       nand-ecc-strength:
75           The ECC configurations that can be supported are as follows.
76             NFC v600 ECC 16, 24, 40, 60
79             NFC v622 ECC 16, 24, 40, 60
82             NFC v800 ECC 16
85             NFC v900 ECC 16, 40, 60, 70
88       nand-bus-width:
91       rockchip,boot-blks:
96           The NFC driver need this information to select ECC
98           Only used in combination with 'nand-is-boot-medium'.
100       rockchip,boot-ecc-strength:
104           If specified it indicates that a different BCH/ECC setting is
106             NFC v600 ECC 16, 24
109             NFC v622 ECC 16, 24, 40, 60
112             NFC v800 ECC 16
115             NFC v900 ECC 16, 70
118           Only used in combination with 'nand-is-boot-medium'.
123   - compatible
124   - reg
125   - interrupts
126   - clocks
127   - clock-names
132   - |
133     #include <dt-bindings/clock/rk3308-cru.h>
134     #include <dt-bindings/interrupt-controller/arm-gic.h>
135     nfc: nand-controller@ff4b0000 {
136       compatible = "rockchip,rk3308-nfc",
137                    "rockchip,rv1108-nfc";
141       clock-names = "ahb", "nfc";
142       assigned-clocks = <&clks SCLK_NANDC>;
143       assigned-clock-rates = <150000000>;
145       pinctrl-0 = <&flash_ale &flash_bus8 &flash_cle &flash_csn0
147       pinctrl-names = "default";
149       #address-cells = <1>;
150       #size-cells = <0>;
152       nand@0 {
154         label = "rk-nand";
155         nand-bus-width = <8>;
156         nand-ecc-mode = "hw";
157         nand-ecc-step-size = <1024>;
158         nand-ecc-strength = <16>;
159         nand-is-boot-medium;
160         rockchip,boot-blks = <8>;
161         rockchip,boot-ecc-strength = <16>;