[PATCH v2 04/10] arm64: dts: imx8mn: Add access-controller references

Alexander Stein
2025-02-07T08:37:11Z

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

Signed-off-by: Alexander Stein <alexander.stein@ew.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..ee6c3a4be87fd 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -11,6 +11,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/thermal/thermal.h>

+#include "imx8mn-ocotp.h"
#include "imx8mn-pinfunc.h"

/ {
@@ -431,6 +432,7 @@ easrc: easrc@300c0000 {
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@30350000 {
clocks = <&clk IMX8MN_CLK_OCOTP_ROOT>;
#address-cells = <1>;
#size-cells = <1>;
+ #access-controller-cells = <2>;

/*
* The register address below maps to the MX8M
@@ -1053,6 +1056,7 @@ fec1: ethernet@30be0000 {
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@32e10000 {
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@32e30000 {
<&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@32e40000 {
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@38000000 {
<400000000>,
<1200000000>;
power-domains = <&pgc_gpumix>;
+ access-controllers = <&ocotp IMX8MN_OCOTP_GPU3D_DISABLE>;
};

gic: interrupt-controller@38800000 {
--
2.34.1