Thread (12 messages) 12 messages, 2 authors, 2020-07-16

Re: Re: [PATCH v7 1/8] dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller【请注意,邮件由robherring2@gmail.com代发】

From: Rob Herring <robh@kernel.org>
Date: 2020-07-16 16:33:37
Also in: linux-rockchip, lkml

On Wed, Jul 15, 2020 at 8:04 PM 赵仪峰 [off-list ref] wrote:
quoted hunk ↗ jump to hunk
Hi Rob,
quoted
On Wed, 15 Jul 2020 17:03:39 +0800, Yifeng Zhao wrote:
quoted
Documentation support for Rockchip RK3xxx NAND flash controllers

Signed-off-by: Yifeng Zhao <redacted>
---

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

My bot found errors running 'make dt_binding_check' on your patch:

/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.example.dt.yaml: example-0: nand-controller@ff4b0000:reg:0: [0, 4283105280, 0, 16384] is too long


See https://patchwork.ozlabs.org/patch/1329325

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure dt-schema is up to date:

pip3 install git+https://github.com/devicetree-org/dt-schema.git@master --upgrade

Please check and re-submit.
make ARCH=arm64 dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
  HOSTCC  scripts/basic/fixdep
  HOSTCC  scripts/dtc/dtc.o
  HOSTCC  scripts/dtc/flattree.o
  HOSTCC  scripts/dtc/fstree.o
  HOSTCC  scripts/dtc/data.o
  HOSTCC  scripts/dtc/livetree.o
  HOSTCC  scripts/dtc/treesource.o
  HOSTCC  scripts/dtc/srcpos.o
  HOSTCC  scripts/dtc/checks.o
  HOSTCC  scripts/dtc/util.o
  LEX     scripts/dtc/dtc-lexer.lex.c
  YACC    scripts/dtc/dtc-parser.tab.[ch]
  HOSTCC  scripts/dtc/dtc-lexer.lex.o
  HOSTCC  scripts/dtc/dtc-parser.tab.o
  HOSTCC  scripts/dtc/yamltree.o
  HOSTLD  scripts/dtc/dtc
  CHKDT   Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
  SCHEMA  Documentation/devicetree/bindings/processed-schema-examples.yaml
  DTC     Documentation/devicetree/bindings/mtd/rockchip,nand-controller.example.dt.yaml
  CHECK   Documentation/devicetree/bindings/mtd/rockchip,nand-controller.example.dt.yaml
/home/yifeng/work/linux/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.example.dt.yaml: example-0: nand-controller@ff4b0000:reg:0: [0, 4283105280, 0, 16384] is too long

I already ran the "make dt_binding_check" before submit this patch and found this issue.
The dts examples is for RK3308, ARCH=arm64, and the reg define is correct.
I thought there was something wrong with the check, or something configuration I missed.
Please give me some suggestions.

diff --git a/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
index 493705a55638..b9d7a8c79402 100644
--- a/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
+++ b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
@@ -132,7 +132,7 @@ examples:
     nfc: nand-controller@ff4b0000 {
       compatible = "rockchip,rk3308-nfc",
                    "rockchip,rv1108-nfc";
-      reg = <0x0 0xff4b0000 0x0 0x4000>;
+      reg = <0xff4b0000 0x4000>;
This is the right fix. Or you can define a parent node with cell sizes of 2.

The example is just an example and doesn't have to match exactly what
you do in the dts files.
       interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
       clocks = <&cru HCLK_NANDC>, <&cru SCLK_NANDC>;
       clock-names = "ahb", "nfc";
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