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From: Ulrich Hecht <uli+renesas@fpond.eu>
To: linux-renesas-soc@vger.kernel.org
Cc: netdev@vger.kernel.org, davem@davemloft.net,
	linux-can@vger.kernel.org,
	prabhakar.mahadev-lad.rj@bp.renesas.com,
	biju.das.jz@bp.renesas.com, wsa@kernel.org,
	yoshihiro.shimoda.uh@renesas.com, wg@grandegger.com,
	mkl@pengutronix.de, kuba@kernel.org, mailhol.vincent@wanadoo.fr,
	socketcan@hartkopp.net, Ulrich Hecht <uli+renesas@fpond.eu>
Subject: [PATCH 3/3] arm64: dts: r8a779a0: Add CANFD device node
Date: Fri, 24 Sep 2021 17:31:13 +0200	[thread overview]
Message-ID: <20210924153113.10046-4-uli+renesas@fpond.eu> (raw)
In-Reply-To: <20210924153113.10046-1-uli+renesas@fpond.eu>

This patch adds CANFD device node for r8a779a0.

Based on patch by Kazuya Mizuguchi.

Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
---
 arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 55 +++++++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index f9a882b34f82..c54c06473248 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
@@ -24,6 +24,13 @@
 		i2c6 = &i2c6;
 	};
 
+	/* External CAN clock - to be overridden by boards that provide it */
+	can_clk: can {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;
@@ -236,6 +243,54 @@
 			#interrupt-cells = <2>;
 		};
 
+		canfd: can@e6660000 {
+			compatible = "renesas,r8a779a0-canfd";
+			reg = <0 0xe6660000 0 0x8000>;
+			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
+					<GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 328>,
+				 <&cpg CPG_CORE R8A779A0_CLK_CANFD>,
+				 <&can_clk>;
+			clock-names = "fck", "canfd", "can_clk";
+			assigned-clocks = <&cpg CPG_CORE R8A779A0_CLK_CANFD>;
+			assigned-clock-rates = <40000000>;
+			power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+			resets = <&cpg 328>;
+			status = "disabled";
+
+			channel0 {
+				status = "disabled";
+			};
+
+			channel1 {
+				status = "disabled";
+			};
+
+			channel2 {
+				status = "disabled";
+			};
+
+			channel3 {
+				status = "disabled";
+			};
+
+			channel4 {
+				status = "disabled";
+			};
+
+			channel5 {
+				status = "disabled";
+			};
+
+			channel6 {
+				status = "disabled";
+			};
+
+			channel7 {
+				status = "disabled";
+			};
+		};
+
 		cmt0: timer@e60f0000 {
 			compatible = "renesas,r8a779a0-cmt0",
 				     "renesas,rcar-gen3-cmt0";
-- 
2.20.1


  parent reply	other threads:[~2021-09-24 15:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-24 15:31 [PATCH 0/3] can: rcar_canfd: Add support for V3U flavor Ulrich Hecht
2021-09-24 15:31 ` [PATCH 1/3] can: rcar_canfd: Add support for r8a779a0 SoC Ulrich Hecht
2021-09-24 16:34   ` Wolfram Sang
2021-09-28  8:47     ` Ulrich Hecht
2021-10-05 13:06   ` Geert Uytterhoeven
2021-10-18 12:50     ` Marc Kleine-Budde
2022-01-11 16:21     ` Ulrich Hecht
2021-09-24 15:31 ` [PATCH 2/3] dt-bindings: can: renesas,rcar-canfd: Document r8a779a0 support Ulrich Hecht
2021-10-05 13:15   ` Geert Uytterhoeven
2021-09-24 15:31 ` Ulrich Hecht [this message]
2021-10-05 13:20   ` [PATCH 3/3] arm64: dts: r8a779a0: Add CANFD device node Geert Uytterhoeven
2022-01-11 16:21     ` Ulrich Hecht

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