From f4da718ef08938c644afb5971bf7cbd6467a4b73 Mon Sep 17 00:00:00 2001 From: Zbigniew Lukwinski Date: Tue, 8 Mar 2022 12:46:07 +0100 Subject: dt-bindings: i3c: flexible I3C timings Description for properties to controls SCL timings added. Signed-off-by: Zbigniew Lukwinski --- .../devicetree/bindings/i3c/snps,dw-i3c-master.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt index 07f35f36085d..1409ea495e79 100644 --- a/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt +++ b/Documentation/devicetree/bindings/i3c/snps,dw-i3c-master.txt @@ -20,6 +20,21 @@ Documentation/devicetree/bindings/i3c/i3c.yaml for more details): - i2c-scl-hz - i3c-scl-hz +Optional properties specific for this driver: + +- i3c-od-scl-low-ns: SCL low period for Open-Drain phase. Expressed in + nanoseconds. It is validated by the driver. Minimum value is 200. +- i3c-od-scl-high-ns: SCL high period for Open-Drain phase. Expressed in + nanoseconds. It is validated by the driver. Minimum value is 25. +- i3c-pp-scl-low-ns: SCL low period for Push-Pull phase. Expressed in + nanoseconds. It is validated by the driver. Minimum value is 25. +- i3c-pp-scl-high-ns: SCL high period for Push-Pull phase. It is expressed in + nanoseconds. It is validated by the driver. Minimum value is 25. +- sda-tx-hold-ns: SDA Hold Time (Thd_dat). Expressed in nanoseconds. It is not + validated by driver. Minimum value is 5. Maximum value is 35. Other + values will be trimmed to the range. This parameter is not supported by + old IP versions. + I3C device connected on the bus follow the generic description (see Documentation/devicetree/bindings/i3c/i3c.yaml for more details). -- cgit v1.2.3