From: Yifeng Zhao <yifeng.zhao@rock-chips.com>
To: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
robh+dt@kernel.org
Cc: devicetree@vger.kernel.org,
Yifeng Zhao <yifeng.zhao@rock-chips.com>,
linux-mtd@lists.infradead.org, heiko@sntech.de,
linux-rockchip@lists.infradead.org
Subject: [PATCH v4 2/3] dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller
Date: Fri, 20 Mar 2020 17:33:41 +0800 [thread overview]
Message-ID: <20200320093342.15470-3-yifeng.zhao@rock-chips.com> (raw)
In-Reply-To: <20200320093342.15470-1-yifeng.zhao@rock-chips.com>
Documentation support for Rockchip RK3xxx NAND flash controllers
Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
---
Changes in v4:
- The compatible define with rkxx_nfc
- Add assigned-clocks
- Fix some wrong define
Changes in v3:
- Change the title for the dt-bindings
Changes in v2: None
.../bindings/mtd/rockchip,nand.yaml | 101 ++++++++++++++++++
1 file changed, 101 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nand.yaml
diff --git a/Documentation/devicetree/bindings/mtd/rockchip,nand.yaml b/Documentation/devicetree/bindings/mtd/rockchip,nand.yaml
new file mode 100644
index 000000000000..907af0d52b6b
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/rockchip,nand.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mtd/rockchip,nand.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip SoCs NAND FLASH Controller (NFC) Device Tree Bindings
+
+allOf:
+ - $ref: "nand-controller.yaml"
+
+maintainers:
+ - Yifeng Zhao <yifeng.zhao@rock-chips.com>
+
+properties:
+ "#address-cells": true
+ "#size-cells": true
+
+ compatible:
+ enum:
+ - rockchip,px30_nfc
+ - rockchip,rk3308_nfc
+ - rockchip,rv1108_nfc
+ - rockchip,rk3066_nfc
+ - rockchip,rk3188_nfc
+ - rockchip,rk3288_nfc
+ - rockchip,rk3368_nfc
+ - rockchip,rk2928_nfc
+ - rockchip,rk3036_nfc
+ - rockchip,rk3128_nfc
+ - rockchip,rk3228_nfc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: Module Clock
+ - description: Bus Clock
+
+ clock-names:
+ items:
+ - const: nfc
+ - const: ahb
+
+patternProperties:
+ "^nand@[0-3]$":
+ type: object
+ properties:
+ reg:
+ minimum: 0
+ maximum: 3
+
+ nand-ecc-step-size:
+ const: 1024
+
+ nand-ecc-strength:
+ enum: [16, 24 , 40, 60, 70]
+
+ nand-bus-width:
+ const: 8
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/rk3308-cru.h>
+ nfc: nand-controller@ff4b0000 {
+ compatible = "rockchip,nfc";
+ reg = <0x0 0xff4b0000 0x0 0x4000>;
+ interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru SCLK_NANDC>, <&cru HCLK_NANDC>;
+ clock-names = "nfc", "ahb";
+ assigned-clocks = <&clks SCLK_NANDC>;
+ assigned-clock-rates = <150000000>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&flash_csn0 &flash_rdy &flash_ale &flash_cle
+ &flash_wrn &flash_rdn &flash_bus8>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ nand@0 {
+ reg = <0>;
+ nand-ecc-mode = "hw";
+ nand-ecc-strength = <16>;
+ nand-ecc-step-size = <1024>;
+ nand-bus-width = <8>;
+ };
+ };
+
+...
--
2.17.1
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next prev parent reply other threads:[~2020-03-20 9:45 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-20 9:33 [PATCH v4 0/3] Add Rockchip NFC drivers for RK3308 and others Yifeng Zhao
2020-03-20 9:33 ` [PATCH v4 1/3] mtd: rawnand: rockchip: NFC drivers for RK3308, RK3188 " Yifeng Zhao
2020-03-20 9:33 ` Yifeng Zhao [this message]
2020-03-20 15:32 ` [PATCH v4 2/3] dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller Johan Jonker
2020-03-30 23:24 ` Rob Herring
2020-03-20 9:33 ` [PATCH v4 3/3] MAINTAINERS: add maintainers to rockchip nfc Yifeng Zhao
2020-03-20 10:18 ` [PATCH v4 0/3] Add Rockchip NFC drivers for RK3308 and others Miquel Raynal
2020-03-23 1:33 ` 赵仪峰
2020-03-23 10:37 ` Miquel Raynal
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