diff mbox series

[v10,1/8] dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller

Message ID 20200930020710.7394-2-yifeng.zhao@rock-chips.com (mailing list archive)
State New, archived
Headers show
Series Add Rockchip NFC drivers for RK3308 and others | expand

Commit Message

Yifeng Zhao Sept. 30, 2020, 2:07 a.m. UTC 
Documentation support for Rockchip RK3xxx NAND flash controllers

Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
---

Changes in v10: None
Changes in v9: None
Changes in v8:
- Fix make dt_binding_check error

Changes in v7:
- Fix some wrong define

Changes in v6:
- Fix some wrong define
- Modified the definition of compatible

Changes in v5:
- Fix some wrong define.
- Add boot-medium define.
- Remove some compatible define.

Changes in v4:
- The compatible define with rkxx_nfc.
- Add assigned-clocks.
- Fix some wrong defineChanges in.

Changes in v3:
- Change the title for the dt-bindings.

Changes in v2: None

 .../mtd/rockchip,nand-controller.yaml         | 162 ++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml

Comments

Rob Herring Oct. 5, 2020, 2:41 p.m. UTC | #1 
On Wed, 30 Sep 2020 10:07:07 +0800, Yifeng Zhao wrote:
> Documentation support for Rockchip RK3xxx NAND flash controllers
> 
> Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
> ---
> 
> Changes in v10: None
> Changes in v9: None
> Changes in v8:
> - Fix make dt_binding_check error
> 
> Changes in v7:
> - Fix some wrong define
> 
> Changes in v6:
> - Fix some wrong define
> - Modified the definition of compatible
> 
> Changes in v5:
> - Fix some wrong define.
> - Add boot-medium define.
> - Remove some compatible define.
> 
> Changes in v4:
> - The compatible define with rkxx_nfc.
> - Add assigned-clocks.
> - Fix some wrong defineChanges in.
> 
> Changes in v3:
> - Change the title for the dt-bindings.
> 
> Changes in v2: None
> 
>  .../mtd/rockchip,nand-controller.yaml         | 162 ++++++++++++++++++
>  1 file changed, 162 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
> 

Reviewed-by: Rob Herring <robh@kernel.org>
Kever Yang Oct. 14, 2020, 12:25 a.m. UTC | #2 
On 2020/9/30 上午10:07, Yifeng Zhao wrote:
> Documentation support for Rockchip RK3xxx NAND flash controllers
>
> Signed-off-by: Yifeng Zhao <yifeng.zhao@rock-chips.com>
> ---
>
> Changes in v10: None
> Changes in v9: None
> Changes in v8:
> - Fix make dt_binding_check error
>
> Changes in v7:
> - Fix some wrong define
>
> Changes in v6:
> - Fix some wrong define
> - Modified the definition of compatible
>
> Changes in v5:
> - Fix some wrong define.
> - Add boot-medium define.
> - Remove some compatible define.
>
> Changes in v4:
> - The compatible define with rkxx_nfc.
> - Add assigned-clocks.
> - Fix some wrong defineChanges in.
>
> Changes in v3:
> - Change the title for the dt-bindings.
>
> Changes in v2: None
>
>   .../mtd/rockchip,nand-controller.yaml         | 162 ++++++++++++++++++
>   1 file changed, 162 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml

Looks good to me,

Reviewed-by: Kever Yang<kever.yang@rock-chips.com>

Thanks,
- Kever

>
> diff --git a/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
> new file mode 100644
> index 000000000000..b9d7a8c79402
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
> @@ -0,0 +1,162 @@
> +# 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:
> +        minimum: 2
> +        default: 16
> +        allOf:
> +        - $ref: /schemas/types.yaml#/definitions/uint32
> +        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>;
> +      };
> +    };
> +
> +...
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
new file mode 100644
index 000000000000..b9d7a8c79402
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
@@ -0,0 +1,162 @@ 
+# 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:
+        minimum: 2
+        default: 16
+        allOf:
+        - $ref: /schemas/types.yaml#/definitions/uint32
+        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>;
+      };
+    };
+
+...