Message ID | 1464380097-25125-4-git-send-email-kdasu.kdev@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Hi Kamal, Comment inline. On 16-05-27 01:14 PM, Kamal Dasu wrote: > Adding qspi node compatible with the new spi-bcm-qspi > driver for the broadcom's northstar2 SoC. > > Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com> > Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com> > --- > V2 no change > --- > arch/arm64/boot/dts/broadcom/ns2-svk.dts | 34 ++++++++++++++++++++++++++++++++ > arch/arm64/boot/dts/broadcom/ns2.dtsi | 18 +++++++++++++++++ > 2 files changed, 52 insertions(+) > > diff --git a/arch/arm64/boot/dts/broadcom/ns2-svk.dts b/arch/arm64/boot/dts/broadcom/ns2-svk.dts > index 54ca40c..0754841 100644 > --- a/arch/arm64/boot/dts/broadcom/ns2-svk.dts > +++ b/arch/arm64/boot/dts/broadcom/ns2-svk.dts > @@ -132,3 +132,37 @@ > #size-cells = <1>; > }; > }; > + > +&qspi { > + bspi-sel = <0>; > + flash: m25p80@0 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "m25p80"; > + reg = <0x0>; > + spi-max-frequency = <12500000>; > + m25p,fast-read; > + spi-cpol; > + spi-cpha; > + > + partition@0 { > + label = "boot"; > + reg = <0x00000000 0x000a0000>; > + }; > + > + partition@1 { > + label = "env"; > + reg = <0x000a0000 0x00060000>; > + }; > + > + partition@2 { > + label = "system"; > + reg = <0x00100000 0x00600000>; > + }; > + > + partition@3 { > + label = "rootfs"; > + reg = <0x00700000 0x01900000>; > + }; The parititions are application specific and should not be specified in the dts file. They should be passed on the boot command line? > + }; > +}; > diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi > index ec68ec1..493fff6 100644 > --- a/arch/arm64/boot/dts/broadcom/ns2.dtsi > +++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi > @@ -399,5 +399,23 @@ > > brcm,nand-has-wp; > }; > + > + qspi: spi@66470200 { > + compatible = "brcm,spi-bcm-qspi"; > + reg = <0x66470200 0x184>, > + <0x66470000 0x124>, > + <0x67017408 0x004>, > + <0x664703a0 0x01c>; > + reg-names = "mspi", "bspi", "intr_regs", "intr_status_reg"; > + interrupts = <GIC_SPI 419 IRQ_TYPE_LEVEL_HIGH>; > + interrupt-names = "spi_l1_intr"; > + clocks = <&iprocmed>; > + clock-names = "iprocmed"; > + clock-frequency = <12500000>; > + num-cs = <2>; > + #address-cells = <1>; > + #size-cells = <0>; > + }; > + > }; > }; > Regards, Scott -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm64/boot/dts/broadcom/ns2-svk.dts b/arch/arm64/boot/dts/broadcom/ns2-svk.dts index 54ca40c..0754841 100644 --- a/arch/arm64/boot/dts/broadcom/ns2-svk.dts +++ b/arch/arm64/boot/dts/broadcom/ns2-svk.dts @@ -132,3 +132,37 @@ #size-cells = <1>; }; }; + +&qspi { + bspi-sel = <0>; + flash: m25p80@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "m25p80"; + reg = <0x0>; + spi-max-frequency = <12500000>; + m25p,fast-read; + spi-cpol; + spi-cpha; + + partition@0 { + label = "boot"; + reg = <0x00000000 0x000a0000>; + }; + + partition@1 { + label = "env"; + reg = <0x000a0000 0x00060000>; + }; + + partition@2 { + label = "system"; + reg = <0x00100000 0x00600000>; + }; + + partition@3 { + label = "rootfs"; + reg = <0x00700000 0x01900000>; + }; + }; +}; diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi index ec68ec1..493fff6 100644 --- a/arch/arm64/boot/dts/broadcom/ns2.dtsi +++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi @@ -399,5 +399,23 @@ brcm,nand-has-wp; }; + + qspi: spi@66470200 { + compatible = "brcm,spi-bcm-qspi"; + reg = <0x66470200 0x184>, + <0x66470000 0x124>, + <0x67017408 0x004>, + <0x664703a0 0x01c>; + reg-names = "mspi", "bspi", "intr_regs", "intr_status_reg"; + interrupts = <GIC_SPI 419 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "spi_l1_intr"; + clocks = <&iprocmed>; + clock-names = "iprocmed"; + clock-frequency = <12500000>; + num-cs = <2>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; };