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@xxxxxxxxx>
Signed-off-by: Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@xxxxxxxxxxxx>
---
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
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