From: Stefan Agner <stefan@agner.ch>
To: shawnguo@kernel.org, kernel@pengutronix.de
Cc: fabio.estevam@nxp.com, robh+dt@kernel.org, mark.rutland@arm.com,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Stefan Agner <stefan@agner.ch>
Subject: [PATCH 8/9] ARM: dts: imx7-colibri: add MCP2515 CAN controller
Date: Wed, 6 Dec 2017 16:30:04 +0100 [thread overview]
Message-ID: <20171206153005.6144-8-stefan@agner.ch> (raw)
In-Reply-To: <20171206153005.6144-1-stefan@agner.ch>
The Colibri Evaluation Carrier Board provides a MCP2515 CAN
controller connected via SPI. Note that the i.MX 7 provides
an internal CAN controller which is much better suited for CAN
operations. Using the MCP2515 with a Colibri iMX7 module is
mainly useful to test the SPI interface.
Signed-off-by: Stefan Agner <stefan@agner.ch>
---
arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi | 25 +++++++++++++++++++++++++
arch/arm/boot/dts/imx7-colibri.dtsi | 14 +++++++++++++-
2 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
index 87c23b769a08..3d6c282dd258 100644
--- a/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi
@@ -45,6 +45,13 @@
stdout-path = "serial0:115200n8";
};
+ /* fixed crystal dedicated to mpc258x */
+ clk16m: clk16m {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <16000000>;
+ };
+
panel: panel {
compatible = "edt,et057090dhu";
backlight = <&bl>;
@@ -99,6 +106,24 @@
status = "okay";
};
+&ecspi3 {
+ status = "okay";
+
+ mcp258x0: mcp258x@0 {
+ compatible = "microchip,mcp2515";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can_int>;
+ reg = <0>;
+ clocks = <&clk16m>;
+ interrupt-parent = <&gpio5>;
+ interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
+ spi-max-frequency = <10000000>;
+ vdd-supply = <®_3v3>;
+ xceiver-supply = <®_5v0>;
+ status = "okay";
+ };
+};
+
&fec1 {
status = "okay";
};
diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index 689ff6822634..e1c6da0a65e4 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -92,6 +92,13 @@
cpu-supply = <®_DCDC2>;
};
+&ecspi3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ecspi3 &pinctrl_ecspi3_cs>;
+ num-cs = <1>;
+ cs-gpios = <&gpio4 11 GPIO_ACTIVE_HIGH>;
+};
+
&fec1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_enet1>;
@@ -313,7 +320,6 @@
fsl,pins = <
MX7D_PAD_ENET1_RGMII_RD3__GPIO7_IO3 0x74 /* SODIMM 55 */
MX7D_PAD_ENET1_RGMII_RD2__GPIO7_IO2 0x74 /* SODIMM 63 */
- MX7D_PAD_SD1_RESET_B__GPIO5_IO2 0X14 /* SODIMM 73 */
MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 0x14 /* SODIMM 77 */
MX7D_PAD_EPDC_DATA09__GPIO2_IO9 0x14 /* SODIMM 89 */
MX7D_PAD_EPDC_DATA08__GPIO2_IO8 0x74 /* SODIMM 91 */
@@ -400,6 +406,12 @@
>;
};
+ pinctrl_can_int: can-int-grp {
+ fsl,pins = <
+ MX7D_PAD_SD1_RESET_B__GPIO5_IO2 0X14 /* SODIMM 73 */
+ >;
+ };
+
pinctrl_enet1: enet1grp {
fsl,pins = <
MX7D_PAD_ENET1_CRS__GPIO7_IO14 0x14
--
2.15.1
next prev parent reply other threads:[~2017-12-06 15:30 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-06 15:29 [PATCH 1/9] ARM: dts: imx7-colibri: move and rename USB Host power regulator Stefan Agner
2017-12-06 15:29 ` [PATCH 2/9] ARM: dts: imx7-colibri: make sure multiplexed pins are not active Stefan Agner
[not found] ` <20171206153005.6144-2-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:01 ` Fabio Estevam
[not found] ` <CAOMZO5AD6bDEMStEWY8hRG_8gh0RAD_66zboTsKd-cFkPtiLKg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-17 20:02 ` Stefan Agner
2017-12-06 15:29 ` [PATCH 3/9] ARM: dts: imx7-colibri: mux pull-ups where appropriate Stefan Agner
[not found] ` <20171206153005.6144-3-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:02 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 4/9] ARM: dts: imx7-colibri: use NAND_CE1 as GPIO Stefan Agner
[not found] ` <20171206153005.6144-4-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:02 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 5/9] ARM: dts: imx7-colibri: specify cpu-supply Stefan Agner
[not found] ` <20171206153005.6144-5-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 13:59 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 7/9] ARM: dts: imx7-colibri: specify backlight GPIO Stefan Agner
[not found] ` <20171206153005.6144-7-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:03 ` Fabio Estevam
2017-12-06 15:30 ` Stefan Agner [this message]
2017-12-07 8:59 ` [PATCH 8/9] ARM: dts: imx7-colibri: add MCP2515 CAN controller Stefan Agner
[not found] ` <20171206153005.6144-8-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:05 ` Fabio Estevam
2017-12-06 15:30 ` [PATCH 9/9] ARM: dts: imx7: add Toradex Colibri iMX7D 1GB (eMMC) support Stefan Agner
[not found] ` <20171206153005.6144-9-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:09 ` Fabio Estevam
[not found] ` <CAOMZO5Dv5dRbbHeqMtitXaHjJbMF4nGQWg0dpyHu0hh+2TaxGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-16 14:18 ` Philippe Ombredanne
[not found] ` <20171206153005.6144-1-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-06 15:30 ` [PATCH 6/9] ARM: dts: imx7-colibri: specify usdhc1 supplies Stefan Agner
[not found] ` <20171206153005.6144-6-stefan-XLVq0VzYD2Y@public.gmane.org>
2017-12-16 14:03 ` Fabio Estevam
2017-12-16 14:00 ` [PATCH 1/9] ARM: dts: imx7-colibri: move and rename USB Host power regulator Fabio Estevam
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