Re: [PATCH 2/3] dt-bindings: i3c: Document Synopsys DesignWare I3C master bindings
From: vitor <hidden>
Date: 2018-08-08 16:59:38
Also in:
linux-doc, linux-gpio, linux-i2c, lkml
Hi Rob, On 25-07-2018 20:57, Rob Herring wrote:
On Fri, Jul 20, 2018 at 09:57:51PM +0100, Vitor soares wrote:quoted
This patch document Synopsys DesignWare I3C master DT bindings. Signed-off-by: Vitor soares <redacted> --- .../devicetree/bindings/i3c/snps,dw-i3c-master.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txtdiff --git a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt new file mode 100644 index 0000000..7f5c8b0 --- /dev/null +++ b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt@@ -0,0 +1,43 @@ +Bindings for Synopsys DesignWare I3C master block +================================================= + +Required properties: +-------------------- +- compatible: shall be "snps,dw-i3c-master"Only one version and no version number? ... and an SoC specific compatible string.
I'm not understanding. Can you explain?
quoted
+- clocks: shall reference the core_clk +- clock-names: shall contain "core_clk""_clk" is redundant and *-names with a single entry is kind of pointless.
I will fix it for next version.
quoted
+- interrupts: the interrupt line connected to this I3C master +- reg: Offset and length of I3C master registers + +Mandatory properties defined by the generic binding (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details): + +- #address-cells: shall be set to 3 +- #size-cells: shall be set to 0 + +Optional properties defined by the generic binding (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details): + +- i2c-scl-hz +- i3c-scl-hz + +I3C device connected on the bus follow the generic description (see +Documentation/devicetree/bindings/i3c/i3c.txt for more details). + +Example: + + i3c-master@0x2000 {Drop the '0x'quoted
+ compatible = "snps,dw-i3c-master"; + #address-cells = <3>; + #size-cells = <0>; + reg = <0x02000 0x1000>; + interrupts = <0>; + clocks = <&i3cclk>; + clock-names = "core_clk"; + + eeprom@0x57{ + compatible = "atmel,24c01"; + reg = < 0x57 0x80000010 0x0>; + pagesize = <0x8>; + }; + }; -- 2.7.4
Thanks for your feedback. Best regards, Vitor Soares