From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Subject: [PATCH 1/2] arm64: dts: renesas: r8a77970: add CAN-FD support Date: Thu, 26 Apr 2018 23:33:14 +0300 Message-ID: <75e0fc12-b55a-389c-a5a0-f036e0795d05@cogentembedded.com> References: <4e5216bc-5f1b-ace4-1aea-02269cd206ac@cogentembedded.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4e5216bc-5f1b-ace4-1aea-02269cd206ac@cogentembedded.com> Content-Language: en-MW List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Simon Horman , Rob Herring , Catalin Marinas , Will Deacon , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org Cc: Mark Rutland , Magnus Damm , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Define the generic R8A77970 part of the CAN-FD device node. Based on the original (and large) patch by Vladimir Barinov. Signed-off-by: Vladimir Barinov Signed-off-by: Sergei Shtylyov --- arch/arm64/boot/dts/renesas/r8a77970.dtsi | 32 ++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) Index: renesas/arch/arm64/boot/dts/renesas/r8a77970.dtsi =================================================================== --- renesas.orig/arch/arm64/boot/dts/renesas/r8a77970.dtsi +++ renesas/arch/arm64/boot/dts/renesas/r8a77970.dtsi @@ -68,6 +68,13 @@ method = "smc"; }; + /* External CAN clock - to be overridden by boards that provide it */ + can_clk: can { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + /* External SCIF clock - to be overridden by boards that provide it */ scif_clk: scif { compatible = "fixed-clock"; @@ -381,6 +388,31 @@ status = "disabled"; }; + canfd: can@e66c0000 { + compatible = "renesas,r8a77970-canfd", + "renesas,rcar-gen3-canfd"; + reg = <0 0xe66c0000 0 0x8000>; + interrupts = , + ; + clocks = <&cpg CPG_MOD 914>, + <&cpg CPG_CORE R8A77970_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A77970_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A77970_PD_ALWAYS_ON>; + resets = <&cpg 914>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; + }; + avb: ethernet@e6800000 { compatible = "renesas,etheravb-r8a77970", "renesas,etheravb-rcar-gen3";