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Fri, 27 Apr 2018 12:12:53 -0700 (PDT) Subject: [PATCH 1/2] arm64: dts: renesas: r8a77980: add CAN-FD support From: Sergei Shtylyov To: Simon Horman , Rob Herring , Catalin Marinas , Will Deacon , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org References: Organization: Cogent Embedded Message-ID: Date: Fri, 27 Apr 2018 22:12:51 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-MW X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180427_121307_224042_2E57C80B X-CRM114-Status: GOOD ( 16.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Magnus Damm , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Define the generic R8A77980 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/r8a77980.dtsi | 31 ++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) Index: renesas/arch/arm64/boot/dts/renesas/r8a77980.dtsi =================================================================== --- renesas.orig/arch/arm64/boot/dts/renesas/r8a77980.dtsi +++ renesas/arch/arm64/boot/dts/renesas/r8a77980.dtsi @@ -38,6 +38,13 @@ }; }; + /* External CAN clock - to be overridden by boards that provide it */ + can_clk: can { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + }; + extal_clk: extal { compatible = "fixed-clock"; #clock-cells = <0>; @@ -170,6 +177,30 @@ status = "disabled"; }; + canfd: can@e66c0000 { + compatible = "renesas,r8a77980-canfd", + "renesas,rcar-gen3-canfd"; + reg = <0 0xe66c0000 0 0x8000>; + interrupts = , + ; + clocks = <&cpg CPG_MOD 914>, + <&cpg CPG_CORE R8A77980_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A77980_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A77980_PD_ALWAYS_ON>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; + }; + avb: ethernet@e6800000 { compatible = "renesas,etheravb-r8a77980", "renesas,etheravb-rcar-gen3";