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Message-Id: <20250212195656.69528-4-slavine@d3embedded.com>
Date: Wed, 12 Feb 2025 14:56:55 -0500
From: Sebastian LaVine <slavine@...mbedded.com>
To: devicetree@...r.kernel.org,
imx@...ts.linux.dev,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-media@...r.kernel.org
Cc: Nícolas F. R. A. Prado <nfraprado@...labora.com>,
Abel Vesa <abel.vesa@...aro.org>,
Achath Vaishnav <vaishnav.a@...com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Ard Biesheuvel <ardb@...nel.org>,
Benjamin Mugnier <benjamin.mugnier@...s.st.com>,
Biju Das <biju.das.jz@...renesas.com>,
Bjorn Andersson <quic_bjorande@...cinc.com>,
Catalin Marinas <catalin.marinas@....com>,
Conor Dooley <conor+dt@...nel.org>,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Elinor Montmasson <elinor.montmasson@...oirfairelinux.com>,
Fabio Estevam <festevam@...il.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Hans Verkuil <hverkuil@...all.nl>,
Javier Carrasco <javier.carrasco@...fvision.net>,
Jianzhong Xu <xuj@...com>,
Julien Massot <julien.massot@...labora.com>,
Kieran Bingham <kieran.bingham@...asonboard.com>,
Kory Maincent <kory.maincent@...tlin.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Mikhail Rudenko <mike.rudenko@...il.com>,
Nishanth Menon <nm@...com>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Rob Herring <robh@...nel.org>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Sascha Hauer <s.hauer@...gutronix.de>,
Sebastian LaVine <slavine@...mbedded.com>,
Shawn Guo <shawnguo@...nel.org>,
Stuart Burtner <sburtner@...mbedded.com>,
Tero Kristo <kristo@...nel.org>,
Thakkar Devarsh <devarsht@...com>,
Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
Umang Jain <umang.jain@...asonboard.com>,
Vignesh Raghavendra <vigneshr@...com>,
Will Deacon <will@...nel.org>,
Zhi Mao <zhi.mao@...iatek.com>
Subject: [PATCH 3/4] arm64: dts: ti: k3-am62a7-sk: Add overlay for fusion 2 board
Adds an overlay for the Fusion 2 (FPD-Link IV) board on SK-AM62A.
Signed-off-by: Sebastian LaVine <slavine@...mbedded.com>
Mentored-by: Stuart Burtner <sburtner@...mbedded.com>
---
MAINTAINERS | 1 +
arch/arm64/boot/dts/ti/Makefile | 1 +
.../boot/dts/ti/k3-am62a7-sk-fusion-2.dtso | 115 ++++++++++++++++++
3 files changed, 117 insertions(+)
create mode 100644 arch/arm64/boot/dts/ti/k3-am62a7-sk-fusion-2.dtso
diff --git a/MAINTAINERS b/MAINTAINERS
index 27fb3c1be732..bf6a48da0887 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -21890,6 +21890,7 @@ M: Stuart Burtner <sburtner@...mbedded.com>
L: linux-media@...r.kernel.org
S: Odd Fixes
F: Documentation/devicetree/bindings/media/i2c/sony,imx728.yaml
+F: arch/arm64/boot/dts/ti/k3-am62a7-sk-fusion-2.dtso
F: drivers/media/i2c/imx728.c
SONY MEMORYSTICK SUBSYSTEM
diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
index f71360f14f23..fcd8d11e5678 100644
--- a/arch/arm64/boot/dts/ti/Makefile
+++ b/arch/arm64/boot/dts/ti/Makefile
@@ -31,6 +31,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am62-lp-sk-nand.dtbo
# Boards with AM62Ax SoC
dtb-$(CONFIG_ARCH_K3) += k3-am62a7-sk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am62a7-phyboard-lyra-rdk.dtb
+dtb-$(CONFIG_ARCH_K3) += k3-am62a7-sk-fusion-2.dtbo
# Boards with AM62Px SoC
dtb-$(CONFIG_ARCH_K3) += k3-am62p5-sk.dtb
diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk-fusion-2.dtso b/arch/arm64/boot/dts/ti/k3-am62a7-sk-fusion-2.dtso
new file mode 100644
index 000000000000..68e06d643bfd
--- /dev/null
+++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk-fusion-2.dtso
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DT Overlay for Fusion 2 (FPD-Link IV) board on SK-AM62A
+ * https://www.ti.com/tool/J7EXPAXEVM/
+ *
+ * Copyright (C) 2024 D3 Embedded - https://www.d3embedded.com
+ */
+
+ /dts-v1/;
+ /plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+ clk_fusion2_25M_fixed: fixed-clock-25M {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+};
+
+&exp2 {
+ p9-hog {
+ /* P9 - CSI_RSTz */
+ gpio-hog;
+ gpios = <9 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "CSI_RSTz";
+ };
+
+ p19-hog {
+ /* P19 -CSI_SEL2 */
+ gpio-hog;
+ gpios = <19 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "CSI_SEL2";
+ };
+};
+
+&main_i2c2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ i2c-switch@71 {
+ compatible = "nxp,pca9543";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x71>;
+
+ i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ deser@3d {
+ compatible = "ti,ds90ub9702-q1";
+ reg = <0x3d>;
+
+ clock-names = "refclk";
+ clocks = <&clk_fusion2_25M_fixed>;
+
+ i2c-alias-pool = <0x4a 0x4b 0x4c 0x4d 0x4e 0x4f>;
+
+ ds90ub9702_0_ports: ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* CSI-2 TX */
+ port@4 {
+ reg = <4>;
+ ds90ub9702_0_csi_out: endpoint {
+ data-lanes = <1 2 3 4>;
+ clock-lanes = <0>;
+ link-frequencies = /bits/ 64 <800000000>;
+ remote-endpoint = <&csi2_phy0>;
+ };
+ };
+ };
+
+ ds90ub9702_0_links: links {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+ };
+ };
+};
+
+&cdns_csi2rx0 {
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ csi0_port0: port@0 {
+ reg = <0>;
+ status = "okay";
+
+ csi2_phy0: endpoint {
+ remote-endpoint = <&ds90ub9702_0_csi_out>;
+ data-lanes = <1 2 3 4>;
+ clock-lanes = <0>;
+ link-frequencies = /bits/ 64 <800000000>;
+ };
+ };
+ };
+};
+
+&ti_csi2rx0 {
+ status = "okay";
+};
+
+&dphy0 {
+ status = "okay";
+};
--
2.34.1
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