From: Aswath Govindraju <a-govindraju@ti.com>
To: unlisted-recipients:; (no To-header on input)
Cc: Marc Kleine-Budde <mkl@pengutronix.de>,
Lokesh Vutla <lokeshvutla@ti.com>,
Aswath Govindraju <a-govindraju@ti.com>,
Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<netdev@vger.kernel.org>, <bpf@vger.kernel.org>
Subject: [PATCH v3 6/6] arm64: dts: ti: k3-am642-evm/sk: Add support for main domain mcan nodes in EVM and disable them on SK
Date: Mon, 20 Sep 2021 21:07:23 +0530 [thread overview]
Message-ID: <20210920153724.20203-7-a-govindraju@ti.com> (raw)
In-Reply-To: <20210920153724.20203-1-a-govindraju@ti.com>
AM642 EVM has two CAN connecters brought out from the two MCAN instances in
the main domain through transceivers. Add device tree nodes for
transceivers and set the required properties in the mcan device tree nodes,
in EVM device tree file.
On AM642 SK there are no connectors brought out for CAN. Therefore, disable
the mcan device tree nodes in the SK device tree file.
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
---
arch/arm64/boot/dts/ti/k3-am642-evm.dts | 40 +++++++++++++++++++++++++
arch/arm64/boot/dts/ti/k3-am642-sk.dts | 8 +++++
2 files changed, 48 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am642-evm.dts b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
index 24ce4942618d..138d581d231f 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-evm.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-evm.dts
@@ -184,6 +184,20 @@
};
};
};
+
+ transceiver1: can-phy0 {
+ compatible = "ti,tcan1042";
+ #phy-cells = <0>;
+ max-bitrate = <5000000>;
+ standby-gpios = <&exp1 8 GPIO_ACTIVE_HIGH>;
+ };
+
+ transceiver2: can-phy1 {
+ compatible = "ti,tcan1042";
+ #phy-cells = <0>;
+ max-bitrate = <5000000>;
+ standby-gpios = <&exp1 9 GPIO_ACTIVE_HIGH>;
+ };
};
&main_pmx0 {
@@ -294,6 +308,20 @@
AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */
>;
};
+
+ main_mcan0_pins_default: main-mcan0-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x0254, PIN_INPUT, 0) /* (B17) MCAN0_RX */
+ AM64X_IOPAD(0x0250, PIN_OUTPUT, 0) /* (A17) MCAN0_TX */
+ >;
+ };
+
+ main_mcan1_pins_default: main-mcan1-pins-default {
+ pinctrl-single,pins = <
+ AM64X_IOPAD(0x025c, PIN_INPUT, 0) /* (D17) MCAN1_RX */
+ AM64X_IOPAD(0x0258, PIN_OUTPUT, 0) /* (C17) MCAN1_TX */
+ >;
+ };
};
&main_uart0 {
@@ -630,3 +658,15 @@
&epwm8 {
status = "disabled";
};
+
+&main_mcan0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_mcan0_pins_default>;
+ phys = <&transceiver1>;
+};
+
+&main_mcan1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_mcan1_pins_default>;
+ phys = <&transceiver2>;
+};
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index 6b45cdeeeefa..c9499e4348c0 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -517,3 +517,11 @@
&epwm8 {
status = "disabled";
};
+
+&main_mcan0 {
+ status = "disabled";
+};
+
+&main_mcan1 {
+ status = "disabled";
+};
--
2.17.1
prev parent reply other threads:[~2021-09-20 15:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-20 15:37 [PATCH v3 0/6] CAN: Add support for CAN in AM65,J721e and AM64 Aswath Govindraju
2021-09-20 15:37 ` [PATCH v3 1/6] arm64: dts: ti: k3-am65-mcu: Add Support for MCAN Aswath Govindraju
2021-09-20 15:37 ` [PATCH v3 2/6] arm64: dts: ti: am654-base-board/am65-iot2050-common: Disable mcan nodes Aswath Govindraju
2021-09-20 15:37 ` [PATCH v3 3/6] arm64: dts: ti: k3-j721e: Add support for MCAN nodes Aswath Govindraju
2021-09-20 15:37 ` [PATCH v3 4/6] arm64: dts: ti: k3-j721e-common-proc-board: Add support for mcu and main mcan nodes Aswath Govindraju
2021-09-20 15:37 ` [PATCH v3 5/6] arm64: dts: ti: k3-am64-main: Add support for MCAN Aswath Govindraju
2021-09-20 15:37 ` Aswath Govindraju [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210920153724.20203-7-a-govindraju@ti.com \
--to=a-govindraju@ti.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=daniel@iogearbox.net \
--cc=devicetree@vger.kernel.org \
--cc=john.fastabend@gmail.com \
--cc=kafai@fb.com \
--cc=kpsingh@kernel.org \
--cc=kristo@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=lokeshvutla@ti.com \
--cc=mkl@pengutronix.de \
--cc=netdev@vger.kernel.org \
--cc=nm@ti.com \
--cc=robh+dt@kernel.org \
--cc=songliubraving@fb.com \
--cc=yhs@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).