linux-kernel - [PATCH v6 5/7] arm64: dts: ti: k3-am64-main: Add ICSSG IEP nodes

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Message-Id: <20240212-add-am64-som-v6-5-b59edb2bc8c3@solid-run.com>
Date: Mon, 12 Feb 2024 18:38:12 +0100
From: Josua Mayer <josua@...id-run.com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, 
 Tero Kristo <kristo@...nel.org>, Rob Herring <robh+dt@...nel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alessandro Zummo <a.zummo@...ertech.it>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Jonathan Cameron <jic23@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, 
 Eugene Zaikonnikov <ez@...ophonic.com>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>, 
 Pratyush Yadav <pratyush@...nel.org>, Michael Walle <mwalle@...nel.org>, 
 Miquel Raynal <miquel.raynal@...tlin.com>, 
 Richard Weinberger <richard@....at>
Cc: Yazan Shhady <yazan.shhady@...id-run.com>, 
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-rtc@...r.kernel.org, 
 linux-iio@...r.kernel.org, Rob Herring <robh@...nel.org>, 
 linux-mtd@...ts.infradead.org, Josua Mayer <josua@...id-run.com>, 
 Suman Anna <s-anna@...com>, Grygorii Strashko <grygorii.strashko@...com>, 
 MD Danish Anwar <danishanwar@...com>
Subject: [PATCH v6 5/7] arm64: dts: ti: k3-am64-main: Add ICSSG IEP nodes

From: Suman Anna <s-anna@...com>

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@...com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
Signed-off-by: Suman Anna <s-anna@...com>
Signed-off-by: MD Danish Anwar <danishanwar@...com>
Signed-off-by: Josua Mayer <josua@...id-run.com>
---
 arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index e348114f42e0..9d2dad8ae8df 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -1244,6 +1244,18 @@ icssg0_iepclk_mux: iepclk-mux@30 {
 			};
 		};
 
+		icssg0_iep0: iep@...00 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2e000 0x1000>;
+			clocks = <&icssg0_iepclk_mux>;
+		};
+
+		icssg0_iep1: iep@...00 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2f000 0x1000>;
+			clocks = <&icssg0_iepclk_mux>;
+		};
+
 		icssg0_mii_rt: mii-rt@...00 {
 			compatible = "ti,pruss-mii", "syscon";
 			reg = <0x32000 0x100>;
@@ -1385,6 +1397,18 @@ icssg1_iepclk_mux: iepclk-mux@30 {
 			};
 		};
 
+		icssg1_iep0: iep@...00 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2e000 0x1000>;
+			clocks = <&icssg1_iepclk_mux>;
+		};
+
+		icssg1_iep1: iep@...00 {
+			compatible = "ti,am654-icss-iep";
+			reg = <0x2f000 0x1000>;
+			clocks = <&icssg1_iepclk_mux>;
+		};
+
 		icssg1_mii_rt: mii-rt@...00 {
 			compatible = "ti,pruss-mii", "syscon";
 			reg = <0x32000 0x100>;

-- 
2.35.3