Hi Rob, On 27/05/2020 20:29:31-0600, Rob Herring wrote: > On Wed, May 13, 2020 at 03:41:39PM +0200, Lars Povlsen wrote: > > This adds a hwmon temperature node sensor to the Sparx5 SoC. > > > > Reviewed-by: Alexandre Belloni <[email protected]> > > Signed-off-by: Lars Povlsen <[email protected]> > > --- > > arch/arm64/boot/dts/microchip/sparx5.dtsi | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi > > b/arch/arm64/boot/dts/microchip/sparx5.dtsi > > index f09a49c41ce19..b5f2d088af30e 100644 > > --- a/arch/arm64/boot/dts/microchip/sparx5.dtsi > > +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi > > @@ -233,5 +233,11 @@ i2c1: i2c@600103000 { > > clock-frequency = <100000>; > > clocks = <&ahb_clk>; > > }; > > + > > + tmon0: tmon@610508110 { > > + compatible = "microchip,sparx5-temp"; > > + reg = <0x6 0x10508110 0xc>; > > These nodes are all very odd with a couple of registers spread out at > randomish addresses. DT nodes should roughly correlate to h/w blocks, > not sets of registers for a driver like this seems to be. >
The DT nodes correlates to HW block, this and the previous families of SoCs were designed with packed registers. There is no padding between HW block registers. -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
