linux-kernel - [PATCH 4/4] arm64: dts: imx8mn: Add access-controller references

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Message-Id: <20250130130101.1040824-5-alexander.stein@ew.tq-group.com>
Date: Thu, 30 Jan 2025 14:01:01 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: Alexander Stein <alexander.stein@...tq-group.com>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] arm64: dts: imx8mn: Add access-controller references

Mark ocotp as a access-controller and add references on peripherals
which can be disabled (fused).

Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
---
 arch/arm64/boot/dts/freescale/imx8mn.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index a5f9cfb46e5dd..b023724679b80 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -9,6 +9,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/nvmem/fsl,imx8mn-ocotp.h>
 #include <dt-bindings/thermal/thermal.h>
 
 #include "imx8mn-pinfunc.h"
@@ -431,6 +432,7 @@ easrc: easrc@...c0000 {
 					firmware-name = "imx/easrc/easrc-imx8mn.bin";
 					fsl,asrc-rate = <8000>;
 					fsl,asrc-format = <2>;
+					access-controllers = <&ocotp IMX8MN_OCOTP_ASRC_DISABLE>;
 					status = "disabled";
 				};
 			};
@@ -571,6 +573,7 @@ ocotp: efuse@...50000 {
 				clocks = <&clk IMX8MN_CLK_OCOTP_ROOT>;
 				#address-cells = <1>;
 				#size-cells = <1>;
+				#access-controller-cells = <1>;
 
 				/*
 				 * The register address below maps to the MX8M
@@ -1053,6 +1056,7 @@ fec1: ethernet@...e0000 {
 				nvmem-cells = <&fec_mac_address>;
 				nvmem-cell-names = "mac-address";
 				fsl,stop-mode = <&gpr 0x10 3>;
+				access-controllers = <&ocotp IMX8MN_OCOTP_ENET_DISABLE>;
 				status = "disabled";
 			};
 
@@ -1091,6 +1095,7 @@ mipi_dsi: dsi@...10000 {
 				clock-names = "bus_clk", "sclk_mipi";
 				interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
 				power-domains = <&disp_blk_ctrl IMX8MN_DISPBLK_PD_MIPI_DSI>;
+				access-controllers = <&ocotp IMX8MN_OCOTP_MIPI_DSI_DISABLE>;
 				status = "disabled";
 
 				ports {
@@ -1195,6 +1200,7 @@ mipi_csi: mipi-csi@...30000 {
 					 <&clk IMX8MN_CLK_DISP_AXI_ROOT>;
 				clock-names = "pclk", "wrap", "phy", "axi";
 				power-domains = <&disp_blk_ctrl IMX8MN_DISPBLK_PD_MIPI_CSI>;
+				access-controllers = <&ocotp IMX8MN_OCOTP_MIPI_CSI_DISABLE>;
 				status = "disabled";
 
 				ports {
@@ -1225,6 +1231,7 @@ usbotg1: usb@...40000 {
 				phys = <&usbphynop1>;
 				fsl,usbmisc = <&usbmisc1 0>;
 				power-domains = <&pgc_hsiomix>;
+				access-controllers = <&ocotp IMX8MN_OCOTP_USB_OTG1_DISABLE>;
 				status = "disabled";
 			};
 
@@ -1288,6 +1295,7 @@ gpu: gpu@...00000 {
 					       <400000000>,
 					       <1200000000>;
 			power-domains = <&pgc_gpumix>;
+			access-controllers = <&ocotp IMX8MN_OCOTP_GPU3D_DISABLE>;
 		};
 
 		gic: interrupt-controller@...00000 {
-- 
2.34.1