arm64: dts: ti: k3-am64-main: Add OSPI node

AM64 SoC has a single Octal SPI (OSPI) instance under Flash SubSystem
(FSS).  Add DT entry for the same.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20210318113757.21012-1-vigneshr@ti.com

diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index dc852f6..a03b664 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -538,4 +538,29 @@
                        compatible = "ti,am654-adc", "ti,am3359-adc";
                };
        };
+
+       fss: bus@fc00000 {
+               compatible = "simple-bus";
+               reg = <0x00 0x0fc00000 0x00 0x70000>;
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               ospi0: spi@fc40000 {
+                       compatible = "ti,am654-ospi";
+                       reg = <0x00 0x0fc40000 0x00 0x100>,
+                             <0x05 0x00000000 0x01 0x00000000>;
+                       interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>;
+                       cdns,fifo-depth = <256>;
+                       cdns,fifo-width = <4>;
+                       cdns,trigger-address = <0x0>;
+                       #address-cells = <0x1>;
+                       #size-cells = <0x0>;
+                       clocks = <&k3_clks 75 6>;
+                       assigned-clocks = <&k3_clks 75 6>;
+                       assigned-clock-parents = <&k3_clks 75 7>;
+                       assigned-clock-rates = <166666666>;
+                       power-domains = <&k3_pds 75 TI_SCI_PD_EXCLUSIVE>;
+               };
+       };
 };