linux-kernel - [PATCH v2 08/10] arm64: dts: imx8mm: Add access-controller references

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Message-Id: <20250207083616.1442887-9-alexander.stein@ew.tq-group.com>
Date: Fri,  7 Feb 2025 09:36:13 +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 v2 08/10] arm64: dts: imx8mm: 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/imx8mm.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 1b147a09f6fe8..51472313b8294 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -11,6 +11,7 @@
 #include <dt-bindings/reset/imx8mq-reset.h>
 #include <dt-bindings/thermal/thermal.h>
 
+#include "imx8mm-ocotp.h"
 #include "imx8mm-pinfunc.h"
 
 / {
@@ -565,6 +566,7 @@ ocotp: efuse@...50000 {
 				/* For nvmem subnodes */
 				#address-cells = <1>;
 				#size-cells = <1>;
+				#access-controller-cells = <2>;
 
 				/*
 				 * The register address below maps to the MX8M
@@ -1108,6 +1110,7 @@ fec1: ethernet@...e0000 {
 				nvmem-cells = <&fec_mac_address>;
 				nvmem-cell-names = "mac-address";
 				fsl,stop-mode = <&gpr 0x10 3>;
+				access-controllers = <&ocotp IMX8MM_OCOTP_ENET_DISABLE>;
 				status = "disabled";
 			};
 
@@ -1157,6 +1160,7 @@ mipi_dsi: dsi@...10000 {
 							 <&clk IMX8MM_CLK_24M>;
 				interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>;
 				power-domains = <&disp_blk_ctrl IMX8MM_DISPBLK_PD_MIPI_DSI>;
+				access-controllers = <&ocotp IMX8MM_OCOTP_MIPI_DSI_DISABLE>;
 				status = "disabled";
 
 				ports {
@@ -1187,6 +1191,7 @@ csi: csi@...20000 {
 				clocks = <&clk IMX8MM_CLK_CSI1_ROOT>;
 				clock-names = "mclk";
 				power-domains = <&disp_blk_ctrl IMX8MM_DISPBLK_PD_CSI_BRIDGE>;
+				access-controllers = <&ocotp IMX8MM_OCOTP_MIPI_CSI_DISABLE>;
 				status = "disabled";
 
 				port {
@@ -1270,6 +1275,7 @@ usbotg1: usb@...40000 {
 				phys = <&usbphynop1>;
 				fsl,usbmisc = <&usbmisc1 0>;
 				power-domains = <&pgc_hsiomix>;
+				access-controllers = <&ocotp IMX8MM_OCOTP_USB_OTG1_DISABLE>;
 				status = "disabled";
 			};
 
@@ -1290,6 +1296,7 @@ usbotg2: usb@...50000 {
 				phys = <&usbphynop2>;
 				fsl,usbmisc = <&usbmisc2 0>;
 				power-domains = <&pgc_hsiomix>;
+				access-controllers = <&ocotp IMX8MM_OCOTP_USB_OTG2_DISABLE>;
 				status = "disabled";
 			};
 
@@ -1375,6 +1382,7 @@ pcie0: pcie@...00000 {
 			reset-names = "apps", "turnoff";
 			phys = <&pcie_phy>;
 			phy-names = "pcie-phy";
+			access-controllers = <&ocotp IMX8MM_OCOTP_PCIE1_DISABLE>;
 			status = "disabled";
 		};
 
@@ -1401,6 +1409,7 @@ pcie0_ep: pcie-ep@...00000 {
 			phy-names = "pcie-phy";
 			num-ib-windows = <4>;
 			num-ob-windows = <4>;
+			access-controllers = <&ocotp IMX8MM_OCOTP_PCIE1_DISABLE>;
 			status = "disabled";
 		};
 
@@ -1418,6 +1427,7 @@ gpu_3d: gpu@...00000 {
 			assigned-clock-parents = <&clk IMX8MM_GPU_PLL_OUT>;
 			assigned-clock-rates = <0>, <800000000>;
 			power-domains = <&pgc_gpu>;
+			access-controllers = <&ocotp IMX8MM_OCOTP_GPU3D_DISABLE>;
 		};
 
 		gpu_2d: gpu@...08000 {
@@ -1433,6 +1443,7 @@ gpu_2d: gpu@...08000 {
 			assigned-clock-parents = <&clk IMX8MM_GPU_PLL_OUT>;
 			assigned-clock-rates = <0>, <800000000>;
 			power-domains = <&pgc_gpu>;
+			access-controllers = <&ocotp IMX8MM_OCOTP_GPU2D_DISABLE>;
 		};
 
 		vpu_g1: video-codec@...00000 {
@@ -1441,6 +1452,7 @@ vpu_g1: video-codec@...00000 {
 			interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk IMX8MM_CLK_VPU_G1_ROOT>;
 			power-domains = <&vpu_blk_ctrl IMX8MM_VPUBLK_PD_G1>;
+			access-controllers = <&ocotp IMX8MM_OCOTP_G1_DISABLE>;
 		};
 
 		vpu_g2: video-codec@...10000 {
@@ -1449,6 +1461,7 @@ vpu_g2: video-codec@...10000 {
 			interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk IMX8MM_CLK_VPU_G2_ROOT>;
 			power-domains = <&vpu_blk_ctrl IMX8MM_VPUBLK_PD_G2>;
+			access-controllers = <&ocotp IMX8MM_OCOTP_G2_DISABLE>;
 		};
 
 		vpu_blk_ctrl: blk-ctrl@...30000 {
-- 
2.34.1