summaryrefslogtreecommitdiff
path: root/arch/riscv/boot/dts/microchip
diff options
context:
space:
mode:
Diffstat (limited to 'arch/riscv/boot/dts/microchip')
-rw-r--r--arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts21
-rw-r--r--arch/riscv/boot/dts/microchip/mpfs.dtsi17
2 files changed, 38 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts
index dce96f27cc89..222a39d90f85 100644
--- a/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts
+++ b/arch/riscv/boot/dts/microchip/mpfs-icicle-kit.dts
@@ -192,6 +192,27 @@
status = "okay";
};
+&syscontroller_qspi {
+ /*
+ * The flash *is* there, but Icicle kits that have engineering sample
+ * silicon (write?) access to this flash to non-functional. The system
+ * controller itself can actually access it, but the MSS cannot write
+ * an image there. Instantiating a coreQSPI in the fabric & connecting
+ * it to the flash instead should work though. Pre-production or later
+ * silicon does not have this issue.
+ */
+ status = "disabled";
+
+ sys_ctrl_flash: flash@0 { // MT25QL01GBBB8ESF-0SIT
+ compatible = "jedec,spi-nor";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ spi-max-frequency = <20000000>;
+ spi-rx-bus-width = <1>;
+ reg = <0>;
+ };
+};
+
&usb {
status = "okay";
dr_mode = "host";
diff --git a/arch/riscv/boot/dts/microchip/mpfs.dtsi b/arch/riscv/boot/dts/microchip/mpfs.dtsi
index 266489d43912..59fd2d4ea523 100644
--- a/arch/riscv/boot/dts/microchip/mpfs.dtsi
+++ b/arch/riscv/boot/dts/microchip/mpfs.dtsi
@@ -194,6 +194,12 @@
mboxes = <&mbox 0>;
};
+ scbclk: mssclkclk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <80000000>;
+ };
+
soc {
#address-cells = <2>;
#size-cells = <2>;
@@ -524,5 +530,16 @@
#mbox-cells = <1>;
status = "disabled";
};
+
+ syscontroller_qspi: spi@37020100 {
+ compatible = "microchip,mpfs-qspi", "microchip,coreqspi-rtl-v2";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x0 0x37020100 0x0 0x100>;
+ interrupt-parent = <&plic>;
+ interrupts = <110>;
+ clocks = <&scbclk>;
+ status = "disabled";
+ };
};
};