linux-kernel - [RFC PATCH v4 06/12] ARM: dts: bcm2711: Add unicam CSI nodes

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Date:   Thu,  3 Feb 2022 18:50:03 +0100
From:   Jean-Michel Hautbois <jeanmichel.hautbois@...asonboard.com>
To:     jeanmichel.hautbois@...asonboard.com
Cc:     dave.stevenson@...pberrypi.com, devicetree@...r.kernel.org,
        kernel-list@...pberrypi.com, laurent.pinchart@...asonboard.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        lukasz@...y.st, mchehab@...nel.org, naush@...pberrypi.com,
        robh@...nel.org, tomi.valkeinen@...asonboard.com,
        nsaenz@...nel.org, bcm-kernel-feedback-list@...adcom.com
Subject: [RFC PATCH v4 06/12] ARM: dts: bcm2711: Add unicam CSI nodes

Add both MIPI CSI-2 nodes in the core bcm2711 tree. Use the 3-cells
interrupt declaration, corresponding clocks and default as disabled.

Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@...asonboard.com>
---
 arch/arm/boot/dts/bcm2711-rpi.dtsi | 15 +++++++++++++++
 arch/arm/boot/dts/bcm2711.dtsi     | 16 ++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2711-rpi.dtsi b/arch/arm/boot/dts/bcm2711-rpi.dtsi
index ca266c5d9f9b..97ee494891af 100644
--- a/arch/arm/boot/dts/bcm2711-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2711-rpi.dtsi
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 #include "bcm2835-rpi.dtsi"
 
+#include <dt-bindings/power/raspberrypi-power.h>
 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
 
 / {
@@ -18,6 +19,20 @@ aliases {
 	};
 };
 
+&csi0 {
+	clocks = <&clocks BCM2835_CLOCK_CAM0>,
+		 <&firmware_clocks 4>;
+	clock-names = "lp", "vpu";
+	power-domains = <&power RPI_POWER_DOMAIN_UNICAM0>;
+};
+
+&csi1 {
+	clocks = <&clocks BCM2835_CLOCK_CAM1>,
+		 <&firmware_clocks 4>;
+	clock-names = "lp", "vpu";
+	power-domains = <&power RPI_POWER_DOMAIN_UNICAM1>;
+};
+
 &firmware {
 	firmware_clocks: clocks {
 		compatible = "raspberrypi,firmware-clocks";
diff --git a/arch/arm/boot/dts/bcm2711.dtsi b/arch/arm/boot/dts/bcm2711.dtsi
index dff18fc9a906..312a74601839 100644
--- a/arch/arm/boot/dts/bcm2711.dtsi
+++ b/arch/arm/boot/dts/bcm2711.dtsi
@@ -293,6 +293,22 @@ hvs: hvs@...00000 {
 			interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		csi0: csi@...00000 {
+			compatible = "brcm,bcm2835-unicam";
+			reg = <0x7e800000 0x800>,
+			      <0x7e802000 0x4>;
+			interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
+		csi1: csi@...01000 {
+			compatible = "brcm,bcm2835-unicam";
+			reg = <0x7e801000 0x800>,
+			      <0x7e802004 0x4>;
+			interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
 		pixelvalve3: pixelvalve@...12000 {
 			compatible = "brcm,bcm2711-pixelvalve3";
 			reg = <0x7ec12000 0x100>;
-- 
2.32.0