From 5e343fbb7176a082dec8632f72999aba82f0e720 Mon Sep 17 00:00:00 2001 From: Przemyslaw Gaj Date: Tue, 16 Apr 2019 09:36:15 +0100 Subject: dt-bindings: i3c: Document dropped support for I2C 10 bit devices Because this patch series dropped support for 10 bit I2C devices, I'm documenting this. Signed-off-by: Przemyslaw Gaj Signed-off-by: Boris Brezillon --- Documentation/devicetree/bindings/i3c/i3c.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/i3c/i3c.txt b/Documentation/devicetree/bindings/i3c/i3c.txt index ab729a0a86ae..4ffe059f0fec 100644 --- a/Documentation/devicetree/bindings/i3c/i3c.txt +++ b/Documentation/devicetree/bindings/i3c/i3c.txt @@ -39,7 +39,9 @@ valid here, but several new properties have been added. New constraint on existing properties: -------------------------------------- - reg: contains 3 cells - + first cell : still encoding the I2C address + + first cell : still encoding the I2C address. 10 bit addressing is not + supported. Devices with 10 bit address can't be properly passed through + DEFSLVS command. + second cell: shall be 0 -- cgit From ea3bfeec6bf77033608b81a5e9a7cd6d686ab054 Mon Sep 17 00:00:00 2001 From: Qii Wang Date: Mon, 1 Jul 2019 14:42:02 +0800 Subject: dt-bindings: i3c: cdns: Use correct cells for I2C device I2C device reg should be "reg = <0x52 0x0 0x10>;" Fixes: e29d0d9c90c9 ("dt-bindings: i3c: Document Cadence I3C master bindings") Signed-off-by: Qii Wang Signed-off-by: Boris Brezillon --- Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation/devicetree') diff --git a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt index 69da2115abdc..1cf6182f888c 100644 --- a/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt +++ b/Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt @@ -38,6 +38,6 @@ Example: nunchuk: nunchuk@52 { compatible = "nintendo,nunchuk"; - reg = <0x52 0x80000010 0>; + reg = <0x52 0x0 0x10>; }; }; -- cgit