arm64: dts: ti: k3-am64-main: Add ICSSG IEP nodes

The ICSSG IP on AM64x SoCs have two Industrial Ethernet Peripherals (IEPs)
to manage/generate Industrial Ethernet functions such as time stamping.
Each IEP sub-module is sourced from an internal clock mux that can be
derived from either of the IP instance's ICSSG_IEP_GCLK or from another
internal ICSSG CORE_CLK mux. Add both the IEP nodes for both the ICSSG
instances. The IEP clock is currently configured to be derived
indirectly from the ICSSG_ICLK running at 250 MHz.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: MD Danish Anwar <danishanwar@ti.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index 0d8106fa6fda..640951250c66 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -1078,6 +1078,18 @@
                         };
                 };
 
+                icssg0_iep0: iep@2e000 {
+                        compatible = "ti,am654-icss-iep";
+                        reg = <0x2e000 0x1000>;
+                        clocks = <&icssg0_iepclk_mux>;
+                };
+
+                icssg0_iep1: iep@2f000 {
+                        compatible = "ti,am654-icss-iep";
+                        reg = <0x2f000 0x1000>;
+                        clocks = <&icssg0_iepclk_mux>;
+                };
+
                 icssg0_mii_rt: mii-rt@32000 {
                         compatible = "ti,pruss-mii", "syscon";
                         reg = <0x32000 0x100>;
@@ -1219,6 +1231,18 @@
                         };
                 };
 
+                icssg1_iep0: iep@2e000 {
+                        compatible = "ti,am654-icss-iep";
+                        reg = <0x2e000 0x1000>;
+                        clocks = <&icssg1_iepclk_mux>;
+                };
+
+                icssg1_iep1: iep@2f000 {
+                        compatible = "ti,am654-icss-iep";
+                        reg = <0x2f000 0x1000>;
+                        clocks = <&icssg1_iepclk_mux>;
+                };
+
                 icssg1_mii_rt: mii-rt@32000 {
                         compatible = "ti,pruss-mii", "syscon";
                         reg = <0x32000 0x100>;