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[60.250.196.139]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8428706fa9asm4178130b3a.45.2026.06.03.23.01.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jun 2026 23:01:40 -0700 (PDT) From: Zi-Yu Chen To: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: ychuang3@nuvoton.com, schung@nuvoton.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Zi-Yu Chen Subject: [PATCH] arm64: dts: nuvoton: ma35d1: add CAN nodes Date: Thu, 4 Jun 2026 14:01:04 +0800 Message-Id: <20260604060104.1662700-1-zychennvt@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add controller nodes for the four Bosch M_CAN blocks found on the Nuvoton MA35D1 SoC. Additionally, configure pinctrl and enable CAN1 and CAN3 on the MA35D1 SOM board. Signed-off-by: Zi-Yu Chen --- .../boot/dts/nuvoton/ma35d1-som-256m.dts | 26 ++++++++ arch/arm64/boot/dts/nuvoton/ma35d1.dtsi | 60 +++++++++++++++++++ 2 files changed, 86 insertions(+) diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts index f6f20a17e501..1b8ea14d3446 100644 --- a/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts +++ b/arch/arm64/boot/dts/nuvoton/ma35d1-som-256m.dts @@ -37,6 +37,18 @@ clk_hxt: clock-hxt { }; }; +&can1 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_can1>; +}; + +&can3 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_can3>; +}; + &clk { assigned-clocks = <&clk CAPLL>, <&clk DDRPLL>, @@ -56,6 +68,20 @@ &clk { }; &pinctrl { + can-grp { + pinctrl_can1: can1-pins { + nuvoton,pins = <11 14 4>, + <11 15 4>; + bias-disable; + }; + + pinctrl_can3: can3-pins { + nuvoton,pins = <11 10 3>, + <11 11 3>; + bias-disable; + }; + }; + uart-grp { pinctrl_uart0: uart0-pins { nuvoton,pins = <4 14 1>, diff --git a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi index e51b98f5bdce..584dd8d44701 100644 --- a/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi +++ b/arch/arm64/boot/dts/nuvoton/ma35d1.dtsi @@ -244,6 +244,66 @@ gpion: gpio@340 { }; }; + can0: can@403c0000 { + compatible = "bosch,m_can"; + reg = <0x0 0x403c0000 0x0 0x200>, <0x0 0x403c0200 0x0 0x2000>; + reg-names = "m_can", "message_ram"; + interrupts = , + ; + interrupt-names = "int0", "int1"; + clocks = <&clk HCLK3>, <&clk CAN0_GATE>; + clock-names = "hclk", "cclk"; + assigned-clocks = <&clk APLL>, <&clk CAN0_DIV>; + assigned-clock-rates = <200000000>, <50000000>; + bosch,mram-cfg = <0x0 4 4 32 32 32 8 8>; + status = "disabled"; + }; + + can1: can@403d0000 { + compatible = "bosch,m_can"; + reg = <0x0 0x403d0000 0x0 0x200>, <0x0 0x403d0200 0x0 0x2000>; + reg-names = "m_can", "message_ram"; + interrupts = , + ; + interrupt-names = "int0", "int1"; + clocks = <&clk HCLK3>, <&clk CAN1_GATE>; + clock-names = "hclk", "cclk"; + assigned-clocks = <&clk APLL>, <&clk CAN1_DIV>; + assigned-clock-rates = <200000000>, <50000000>; + bosch,mram-cfg = <0x0 4 4 32 32 32 8 8>; + status = "disabled"; + }; + + can2: can@403e0000 { + compatible = "bosch,m_can"; + reg = <0x0 0x403e0000 0x0 0x200>, <0x0 0x403e0200 0x0 0x2000>; + reg-names = "m_can", "message_ram"; + interrupts = , + ; + interrupt-names = "int0", "int1"; + clocks = <&clk HCLK3>, <&clk CAN2_GATE>; + clock-names = "hclk", "cclk"; + assigned-clocks = <&clk APLL>, <&clk CAN2_DIV>; + assigned-clock-rates = <200000000>, <50000000>; + bosch,mram-cfg = <0x0 4 4 32 32 32 8 8>; + status = "disabled"; + }; + + can3: can@403f0000 { + compatible = "bosch,m_can"; + reg = <0x0 0x403f0000 0x0 0x200>, <0x0 0x403f0200 0x0 0x2000>; + reg-names = "m_can", "message_ram"; + interrupts = , + ; + interrupt-names = "int0", "int1"; + clocks = <&clk HCLK3>, <&clk CAN3_GATE>; + clock-names = "hclk", "cclk"; + assigned-clocks = <&clk APLL>, <&clk CAN3_DIV>; + assigned-clock-rates = <200000000>, <50000000>; + bosch,mram-cfg = <0x0 4 4 32 32 32 8 8>; + status = "disabled"; + }; + uart0: serial@40700000 { compatible = "nuvoton,ma35d1-uart"; reg = <0x0 0x40700000 0x0 0x100>; -- 2.34.1