linux-kernel - [PATCH v2 15/23] arm64: dts: colibri-imx8x: eval: Add spi-to-can

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Message-Id: <20230314102410.424773-16-dev@pschenker.ch>
Date:   Tue, 14 Mar 2023 11:24:01 +0100
From:   Philippe Schenker <dev@...henker.ch>
To:     devicetree@...r.kernel.org, Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>
Cc:     NXP Linux Team <linux-imx@....com>,
        Frank Rowand <frowand.list@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Fabio Estevam <festevam@...il.com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        linux-arm-kernel@...ts.infradead.org,
        Philippe Schenker <philippe.schenker@...adex.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2 15/23] arm64: dts: colibri-imx8x: eval: Add spi-to-can

From: Philippe Schenker <philippe.schenker@...adex.com>

Add mcp2515 spi-to-can to &lpspi2.

Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>

---

Changes in v2:
- Change clock-16mhz-fixed to clock-16mhz
- Remove status="okay"

 .../dts/freescale/imx8x-colibri-eval-v3.dtsi   | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi b/arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi
index 68e34516961a..14d479b50656 100644
--- a/arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8x-colibri-eval-v3.dtsi
@@ -11,6 +11,13 @@ aliases {
 		rtc1 = &rtc;
 	};
 
+	/* fixed crystal dedicated to mcp25xx */
+	clk16m: clock-16mhz {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <16000000>;
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-names = "default";
@@ -39,6 +46,17 @@ rtc_i2c: rtc@68 {
 /* Colibri SPI */
 &lpspi2 {
 	status = "okay";
+
+	mcp2515: can@0 {
+		compatible = "microchip,mcp2515";
+		reg = <0>;
+		interrupt-parent = <&lsio_gpio3>;
+		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+		pinctrl-0 = <&pinctrl_can_int>;
+		pinctrl-names = "default";
+		clocks = <&clk16m>;
+		spi-max-frequency = <10000000>;
+	};
 };
 
 /* Colibri UART_B */
-- 
2.39.2