Hi Rob, Rob Herring <robh@xxxxxxxxxx> wrote on Thu, 20 May 2021 20:55:35 -0500: > On Wed, May 19, 2021 at 08:26:25PM +0200, Miquel Raynal wrote: > > The reg property should describe the entire accessible zone, not only > > the one the driver wants to access. With this in mind, the example > > should map two regions instead of one to be entirely accurate. > > No, not really. The address space is already covered by 'ranges'. Unless > you need the range in the arm,pl353-smc-r2p1 driver. Thanks for the clarification, I didn't understand the range property correctly then. This extra region should not be accessed from the SMC driver so I'll drop the extra changes. > > > > > Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> > > --- > > .../devicetree/bindings/memory-controllers/pl353-smc.txt | 3 ++- > > 1 file changed, 2 insertions(+), 1 deletion(-) > > > > diff --git a/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt b/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt > > index 1335b94291ad..9d220d4cb39d 100644 > > --- a/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt > > +++ b/Documentation/devicetree/bindings/memory-controllers/pl353-smc.txt > > @@ -27,7 +27,8 @@ Example: > > compatible = "arm,pl353-smc-r2p1", "arm,primecell"; > > clock-names = "memclk", "apb_pclk"; > > clocks = <&clkc 11>, <&clkc 44>; > > - reg = <0xe000e000 0x1000>; > > + reg = <0xe000e000 0x0001000>, > > + <0xe1000000 0x5000000>; > > #address-cells = <2>; > > #size-cells = <1>; > > ranges = <0x0 0x0 0xe1000000 0x1000000 /* Nand CS region */ > > -- > > 2.27.0 > > Thanks, Miquèl