On Sun, Feb 20, 2022 at 11:53:12AM +0800, Tyrone Ting wrote: > From: Tyrone Ting <kfting@xxxxxxxxxxx> > > Add compatible and nuvoton,sys-mgr description for NPCM i2c module. > > Signed-off-by: Tyrone Ting <kfting@xxxxxxxxxxx> > Signed-off-by: Tali Perry <tali.perry1@xxxxxxxxx> > --- > .../bindings/i2c/nuvoton,npcm7xx-i2c.yaml | 17 ++++++++++++----- > 1 file changed, 12 insertions(+), 5 deletions(-) > > diff --git a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml > index 128444942aec..809c51ac32fe 100644 > --- a/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml > +++ b/Documentation/devicetree/bindings/i2c/nuvoton,npcm7xx-i2c.yaml > @@ -7,17 +7,18 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# > title: nuvoton NPCM7XX I2C Controller Device Tree Bindings > > description: | > - The NPCM750x includes sixteen I2C bus controllers. All Controllers support > - both master and slave mode. Each controller can switch between master and slave > - at run time (i.e. IPMB mode). Each controller has two 16 byte HW FIFO for TX and > - RX. > + I2C bus controllers of the NPCM series support both master and > + slave mode. Each controller can switch between master and slave at run time > + (i.e. IPMB mode). HW FIFO for TX and RX are supported. > > maintainers: > - Tali Perry <tali.perry1@xxxxxxxxx> > > properties: > compatible: > - const: nuvoton,npcm750-i2c > + enum: > + - nuvoton,npcm750-i2c > + - nuvoton,npcm845-i2c > > reg: > maxItems: 1 > @@ -36,11 +37,16 @@ properties: > default: 100000 > enum: [100000, 400000, 1000000] > > + nuvoton,sys-mgr: > + $ref: "/schemas/types.yaml#/definitions/phandle" > + description: The phandle of system manager register node. > + > required: > - compatible > - reg > - interrupts > - clocks > + - nuvoton,sys-mgr You can't make nuvoton,sys-mgr required for existing users. You can add an if/then schema for nuvoton,npcm845-i2c if you want to make it required in that case. Rob
