Hi Marek, > From: Marek Vasut <ma...@denx.de> > Sent: mardi 31 mars 2020 02:49 > > The DH Electronics DHCOR SOM has QSPI NOR on the SoM itself, add it into the > DT. > > Signed-off-by: Marek Vasut <ma...@denx.de> > Cc: Patrick Delaunay <patrick.delau...@st.com> > Cc: Patrice Chotard <patrice.chot...@st.com> > --- > V2: Drop the explicit flash type in DT node, use spi-flash > --- > arch/arm/dts/stm32mp157a-avenger96.dts | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/arch/arm/dts/stm32mp157a-avenger96.dts > b/arch/arm/dts/stm32mp157a-avenger96.dts > index 3fca1ed56d..512ef5f7bb 100644 > --- a/arch/arm/dts/stm32mp157a-avenger96.dts > +++ b/arch/arm/dts/stm32mp157a-avenger96.dts > @@ -20,6 +20,7 @@ > mmc0 = &sdmmc1; > serial0 = &uart4; > serial1 = &uart7; > + spi0 = &qspi; > }; > > chosen { > @@ -300,6 +301,25 @@ > vdd_3v3_usbfs-supply = <&vdd_usb>; > }; > > +&qspi { > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&qspi_clk_pins_a &qspi_bk1_pins_a>; > + pinctrl-1 = <&qspi_clk_sleep_pins_a &qspi_bk1_sleep_pins_a>; > + reg = <0x58003000 0x1000>, <0x70000000 0x4000000>;
In https://www.dh-electronics.com/en/products/dhsom-system-on-modules/dhcor-stm32mp1 SPI NOR flash => 2 Mbyte boot flash So I think that memory mapped register should be limited to 2Mbyte = 0x200000 and not 64MBytes reg = <0x58003000 0x1000>, <0x70000000 0x200000>; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "okay"; > + > + flash0: spi-flash@0 { > + compatible = "jedec,spi-nor"; > + reg = <0>; > + spi-rx-bus-width = <4>; > + spi-max-frequency = <108000000>; > + #address-cells = <1>; > + #size-cells = <1>; > + }; > +}; > + > &rng1 { > status = "okay"; > }; > -- > 2.25.1