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[81.5.110.253]) by smtp.gmail.com with ESMTPSA id y7sm1370706lfa.92.2022.01.11.07.57.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Jan 2022 07:57:36 -0800 (PST) From: Evgeny Boger To: Maxime Ripard , Chen-Yu Tsai , linux-arm-kernel@lists.infradead.org Cc: Evgeny Boger , devicetree@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-can@vger.kernel.org, Wolfgang Grandegger , Marc Kleine-Budde , "David S . Miller" , Jeroen Hofstee , Gerhard Bertelsmann Subject: [PATCH v2 3/3] ARM: dts: sun8i: r40: add node for CAN controller Date: Tue, 11 Jan 2022 18:57:09 +0300 Message-Id: <20220111155709.56501-4-boger@wirenboard.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220111155709.56501-1-boger@wirenboard.com> References: <20220111155709.56501-1-boger@wirenboard.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220111_075740_121229_74F5AA1E X-CRM114-Status: GOOD ( 13.48 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Allwinner R40 (also known as A40i, T3, V40) has a CAN controller. The controller is the same as in earlier A10 and A20 SoCs, but needs reset line to be deasserted before use. This patch adds a CAN node and the corresponding pinctrl descriptions. Signed-off-by: Evgeny Boger --- arch/arm/boot/dts/sun8i-r40.dtsi | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi index 1d87fc0c24ee..2ba0e681a7ac 100644 --- a/arch/arm/boot/dts/sun8i-r40.dtsi +++ b/arch/arm/boot/dts/sun8i-r40.dtsi @@ -511,6 +511,18 @@ pio: pinctrl@1c20800 { #interrupt-cells = <3>; #gpio-cells = <3>; + /omit-if-no-ref/ + can_pa_pins: can-pa-pins { + pins = "PA16", "PA17"; + function = "can"; + }; + + /omit-if-no-ref/ + can_ph_pins: can-ph-pins { + pins = "PH20", "PH21"; + function = "can"; + }; + clk_out_a_pin: clk-out-a-pin { pins = "PI12"; function = "clk_out_a"; @@ -926,6 +938,15 @@ i2c3: i2c@1c2b800 { #size-cells = <0>; }; + can0: can@1c2bc00 { + compatible = "allwinner,sun8i-r40-can"; + reg = <0x01c2bc00 0x400>; + interrupts = ; + clocks = <&ccu CLK_BUS_CAN>; + resets = <&ccu RST_BUS_CAN>; + status = "disabled"; + }; + i2c4: i2c@1c2c000 { compatible = "allwinner,sun6i-a31-i2c"; reg = <0x01c2c000 0x400>;