linux-kernel - [PATCH] arm64: dts: ti: k3-am62: Add support for MCAN

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20220418115802.5672-1-a-govindraju@ti.com>
Date:   Mon, 18 Apr 2022 17:28:01 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     unlisted-recipients:; (no To-header on input)
CC:     Aswath Govindraju <a-govindraju@...com>,
        Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] arm64: dts: ti: k3-am62: Add support for MCAN

AM62 SoC has one instance of MCAN in main domain. However, its
corresponding CAN signals are not brought out through a transceiver, on the
SK board. Therefore, add the device tree node in the main dt file and set
the status to disabled in the SK board dts file.

Signed-off-by: Aswath Govindraju <a-govindraju@...com>
---

Notes:
- This patch applies on top of,
  https://patchwork.kernel.org/project/linux-arm-kernel/list/?series=632573

 arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 14 ++++++++++++++
 arch/arm64/boot/dts/ti/k3-am625-sk.dts   |  4 ++++
 2 files changed, 18 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index 4b6ba98dd0a2..8bb42fe24d7c 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -530,4 +530,18 @@
 		ti,mbox-num-users = <4>;
 		ti,mbox-num-fifos = <16>;
 	};
+
+	main_mcan0: can@...01000 {
+		compatible = "bosch,m_can";
+		reg = <0x00 0x20701000 0x00 0x200>,
+		      <0x00 0x20708000 0x00 0x8000>;
+		reg-names = "m_can", "message_ram";
+		power-domains = <&k3_pds 98 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 98 6>, <&k3_clks 98 1>;
+		clock-names = "hclk", "cclk";
+		interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 156 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "int0", "int1";
+		bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
+	};
 };
diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
index a0ea2cc66b31..3d7166e17d05 100644
--- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
@@ -475,3 +475,7 @@
 		};
 	};
 };
+
+&main_mcan0 {
+	status = "disabled";
+};
-- 
2.17.1