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difos/target/linux/stm32/patches-6.6/041-ARM-dts-stm32-put-ETZPC-as-an-access-controller-for-.patch
Thomas Richard 234eadd07e kernel/stm32: Restore kernel files for v6.6 
This is an automatically generated commit which aids following Kernel patch
history, as git will see the move and copy as a rename thus defeating the
purpose.

For the original discussion see:
https://lists.openwrt.org/pipermail/openwrt-devel/2023-October/041673.html

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://github.com/openwrt/openwrt/pull/18740
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2025-06-21 14:28:42 +02:00

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From 91ddf8509d0308e297f1876a024645cc3478e358 Mon Sep 17 00:00:00 2001
From: Gatien Chevallier <gatien.chevallier@foss.st.com>
Date: Fri, 5 Jan 2024 14:04:02 +0100
Subject: [PATCH] ARM: dts: stm32: put ETZPC as an access controller for
STM32MP15x boards
Reference ETZPC as an access-control-provider.
For more information on which peripheral is securable or supports MCU
isolation, please read the STM32MP15 reference manual
Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---
arch/arm/boot/dts/st/stm32mp151.dtsi | 66 ++++++++++++++++++++++++++-
arch/arm/boot/dts/st/stm32mp153.dtsi | 2 +
arch/arm/boot/dts/st/stm32mp15xc.dtsi | 1 +
3 files changed, 68 insertions(+), 1 deletion(-)
--- a/arch/arm/boot/dts/st/stm32mp151.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp151.dtsi
@@ -331,10 +331,11 @@
};
etzpc: bus@5c007000 {
- compatible = "simple-bus";
+ compatible = "st,stm32-etzpc", "simple-bus";
reg = <0x5c007000 0x400>;
#address-cells = <1>;
#size-cells = <1>;
+ #access-controller-cells = <1>;
ranges;
timers2: timer@40000000 {
@@ -352,6 +353,7 @@
<&dmamux1 21 0x400 0x1>,
<&dmamux1 22 0x400 0x1>;
dma-names = "ch1", "ch2", "ch3", "ch4", "up";
+ access-controllers = <&etzpc 16>;
status = "disabled";
pwm {
@@ -388,6 +390,7 @@
<&dmamux1 27 0x400 0x1>,
<&dmamux1 28 0x400 0x1>;
dma-names = "ch1", "ch2", "ch3", "ch4", "up", "trig";
+ access-controllers = <&etzpc 17>;
status = "disabled";
pwm {
@@ -422,6 +425,7 @@
<&dmamux1 31 0x400 0x1>,
<&dmamux1 32 0x400 0x1>;
dma-names = "ch1", "ch2", "ch3", "ch4";
+ access-controllers = <&etzpc 18>;
status = "disabled";
pwm {
@@ -458,6 +462,7 @@
<&dmamux1 59 0x400 0x1>,
<&dmamux1 60 0x400 0x1>;
dma-names = "ch1", "ch2", "ch3", "ch4", "up", "trig";
+ access-controllers = <&etzpc 19>;
status = "disabled";
pwm {
@@ -489,6 +494,7 @@
clock-names = "int";
dmas = <&dmamux1 69 0x400 0x1>;
dma-names = "up";
+ access-controllers = <&etzpc 20>;
status = "disabled";
timer@5 {
@@ -509,6 +515,7 @@
clock-names = "int";
dmas = <&dmamux1 70 0x400 0x1>;
dma-names = "up";
+ access-controllers = <&etzpc 21>;
status = "disabled";
timer@6 {
@@ -527,6 +534,7 @@
interrupt-names = "global";
clocks = <&rcc TIM12_K>;
clock-names = "int";
+ access-controllers = <&etzpc 22>;
status = "disabled";
pwm {
@@ -551,6 +559,7 @@
interrupt-names = "global";
clocks = <&rcc TIM13_K>;
clock-names = "int";
+ access-controllers = <&etzpc 23>;
status = "disabled";
pwm {
@@ -575,6 +584,7 @@
interrupt-names = "global";
clocks = <&rcc TIM14_K>;
clock-names = "int";
+ access-controllers = <&etzpc 24>;
status = "disabled";
pwm {
@@ -599,6 +609,7 @@
clocks = <&rcc LPTIM1_K>;
clock-names = "mux";
wakeup-source;
+ access-controllers = <&etzpc 25>;
status = "disabled";
pwm {
@@ -627,6 +638,7 @@
dmas = <&dmamux1 39 0x400 0x01>,
<&dmamux1 40 0x400 0x01>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 27>;
status = "disabled";
};
@@ -641,6 +653,7 @@
dmas = <&dmamux1 39 0x400 0x05>,
<&dmamux1 40 0x400 0x05>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 27>;
status = "disabled";
};
@@ -652,6 +665,7 @@
dmas = <&dmamux1 61 0x400 0x01>,
<&dmamux1 62 0x400 0x01>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 28>;
status = "disabled";
};
@@ -666,6 +680,7 @@
dmas = <&dmamux1 61 0x400 0x05>,
<&dmamux1 62 0x400 0x05>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 28>;
status = "disabled";
};
@@ -679,6 +694,7 @@
dmas = <&dmamux1 93 0x400 0x01>,
<&dmamux1 94 0x400 0x01>;
dma-names = "rx", "rx-ctrl";
+ access-controllers = <&etzpc 29>;
status = "disabled";
};
@@ -691,6 +707,7 @@
dmas = <&dmamux1 43 0x400 0x15>,
<&dmamux1 44 0x400 0x11>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 30>;
status = "disabled";
};
@@ -703,6 +720,7 @@
dmas = <&dmamux1 45 0x400 0x15>,
<&dmamux1 46 0x400 0x11>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 31>;
status = "disabled";
};
@@ -715,6 +733,7 @@
dmas = <&dmamux1 63 0x400 0x15>,
<&dmamux1 64 0x400 0x11>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 32>;
status = "disabled";
};
@@ -727,6 +746,7 @@
dmas = <&dmamux1 65 0x400 0x15>,
<&dmamux1 66 0x400 0x11>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 33>;
status = "disabled";
};
@@ -743,6 +763,7 @@
st,syscfg-fmp = <&syscfg 0x4 0x1>;
wakeup-source;
i2c-analog-filter;
+ access-controllers = <&etzpc 34>;
status = "disabled";
};
@@ -759,6 +780,7 @@
st,syscfg-fmp = <&syscfg 0x4 0x2>;
wakeup-source;
i2c-analog-filter;
+ access-controllers = <&etzpc 35>;
status = "disabled";
};
@@ -775,6 +797,7 @@
st,syscfg-fmp = <&syscfg 0x4 0x4>;
wakeup-source;
i2c-analog-filter;
+ access-controllers = <&etzpc 36>;
status = "disabled";
};
@@ -791,6 +814,7 @@
st,syscfg-fmp = <&syscfg 0x4 0x10>;
wakeup-source;
i2c-analog-filter;
+ access-controllers = <&etzpc 37>;
status = "disabled";
};
@@ -800,6 +824,7 @@
interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rcc CEC_K>, <&rcc CEC>;
clock-names = "cec", "hdmi-cec";
+ access-controllers = <&etzpc 38>;
status = "disabled";
};
@@ -810,6 +835,7 @@
clock-names = "pclk";
#address-cells = <1>;
#size-cells = <0>;
+ access-controllers = <&etzpc 39>;
status = "disabled";
dac1: dac@1 {
@@ -836,6 +862,7 @@
dmas = <&dmamux1 79 0x400 0x15>,
<&dmamux1 80 0x400 0x11>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 40>;
status = "disabled";
};
@@ -848,6 +875,7 @@
dmas = <&dmamux1 81 0x400 0x15>,
<&dmamux1 82 0x400 0x11>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 41>;
status = "disabled";
};
@@ -872,6 +900,7 @@
<&dmamux1 17 0x400 0x1>;
dma-names = "ch1", "ch2", "ch3", "ch4",
"up", "trig", "com";
+ access-controllers = <&etzpc 48>;
status = "disabled";
pwm {
@@ -913,6 +942,7 @@
<&dmamux1 53 0x400 0x1>;
dma-names = "ch1", "ch2", "ch3", "ch4",
"up", "trig", "com";
+ access-controllers = <&etzpc 49>;
status = "disabled";
pwm {
@@ -942,6 +972,7 @@
dmas = <&dmamux1 71 0x400 0x15>,
<&dmamux1 72 0x400 0x11>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 51>;
status = "disabled";
};
@@ -953,6 +984,7 @@
dmas = <&dmamux1 37 0x400 0x01>,
<&dmamux1 38 0x400 0x01>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 52>;
status = "disabled";
};
@@ -967,6 +999,7 @@
dmas = <&dmamux1 37 0x400 0x05>,
<&dmamux1 38 0x400 0x05>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 52>;
status = "disabled";
};
@@ -981,6 +1014,7 @@
dmas = <&dmamux1 83 0x400 0x05>,
<&dmamux1 84 0x400 0x05>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 53>;
status = "disabled";
};
@@ -998,6 +1032,7 @@
<&dmamux1 107 0x400 0x1>,
<&dmamux1 108 0x400 0x1>;
dma-names = "ch1", "up", "trig", "com";
+ access-controllers = <&etzpc 54>;
status = "disabled";
pwm {
@@ -1025,6 +1060,7 @@
dmas = <&dmamux1 109 0x400 0x1>,
<&dmamux1 110 0x400 0x1>;
dma-names = "ch1", "up";
+ access-controllers = <&etzpc 55>;
status = "disabled";
pwm {
@@ -1051,6 +1087,7 @@
dmas = <&dmamux1 111 0x400 0x1>,
<&dmamux1 112 0x400 0x1>;
dma-names = "ch1", "up";
+ access-controllers = <&etzpc 56>;
status = "disabled";
pwm {
@@ -1077,6 +1114,7 @@
dmas = <&dmamux1 85 0x400 0x05>,
<&dmamux1 86 0x400 0x05>;
dma-names = "rx", "tx";
+ access-controllers = <&etzpc 57>;
status = "disabled";
};
@@ -1088,6 +1126,7 @@
reg = <0x4400a000 0x4>, <0x4400a3f0 0x10>;
interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
resets = <&rcc SAI1_R>;
+ access-controllers = <&etzpc 58>;
status = "disabled";
sai1a: audio-controller@4400a004 {
@@ -1120,6 +1159,7 @@
reg = <0x4400b000 0x4>, <0x4400b3f0 0x10>;
interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
resets = <&rcc SAI2_R>;
+ access-controllers = <&etzpc 59>;
status = "disabled";
sai2a: audio-controller@4400b004 {
@@ -1151,6 +1191,7 @@
reg = <0x4400c000 0x4>, <0x4400c3f0 0x10>;
interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
resets = <&rcc SAI3_R>;
+ access-controllers = <&etzpc 60>;
status = "disabled";
sai3a: audio-controller@4400c004 {
@@ -1181,6 +1222,7 @@
clock-names = "dfsdm";
#address-cells = <1>;
#size-cells = <0>;
+ access-controllers = <&etzpc 61>;
status = "disabled";
dfsdm0: filter@0 {
@@ -1260,6 +1302,7 @@
#dma-cells = <4>;
st,mem2mem;
dma-requests = <8>;
+ access-controllers = <&etzpc 88>;
};
dma2: dma-controller@48001000 {
@@ -1278,6 +1321,7 @@
#dma-cells = <4>;
st,mem2mem;
dma-requests = <8>;
+ access-controllers = <&etzpc 89>;
};
dmamux1: dma-router@48002000 {
@@ -1289,6 +1333,7 @@
dma-channels = <16>;
clocks = <&rcc DMAMUX>;
resets = <&rcc DMAMUX_R>;
+ access-controllers = <&etzpc 90>;
};
adc: adc@48003000 {
@@ -1303,6 +1348,7 @@
#interrupt-cells = <1>;
#address-cells = <1>;
#size-cells = <0>;
+ access-controllers = <&etzpc 72>;
status = "disabled";
adc1: adc@0 {
@@ -1353,6 +1399,7 @@
cap-sd-highspeed;
cap-mmc-highspeed;
max-frequency = <120000000>;
+ access-controllers = <&etzpc 86>;
status = "disabled";
};
@@ -1370,6 +1417,7 @@
dr_mode = "otg";
otg-rev = <0x200>;
usb33d-supply = <&usb33>;
+ access-controllers = <&etzpc 85>;
status = "disabled";
};
@@ -1382,6 +1430,7 @@
clock-names = "mclk";
dmas = <&dmamux1 75 0x400 0x01>;
dma-names = "tx";
+ access-controllers = <&etzpc 70>;
status = "disabled";
};
@@ -1394,6 +1443,7 @@
clocks = <&rcc LPTIM2_K>;
clock-names = "mux";
wakeup-source;
+ access-controllers = <&etzpc 64>;
status = "disabled";
pwm {
@@ -1423,6 +1473,7 @@
clocks = <&rcc LPTIM3_K>;
clock-names = "mux";
wakeup-source;
+ access-controllers = <&etzpc 65>;
status = "disabled";
pwm {
@@ -1445,6 +1496,7 @@
clocks = <&rcc LPTIM4_K>;
clock-names = "mux";
wakeup-source;
+ access-controllers = <&etzpc 66>;
status = "disabled";
pwm {
@@ -1461,6 +1513,7 @@
clocks = <&rcc LPTIM5_K>;
clock-names = "mux";
wakeup-source;
+ access-controllers = <&etzpc 67>;
status = "disabled";
pwm {
@@ -1476,6 +1529,7 @@
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <2500000>;
clocks = <&rcc VREF>;
+ access-controllers = <&etzpc 69>;
status = "disabled";
};
@@ -1487,6 +1541,7 @@
reg = <0x50027000 0x4>, <0x500273f0 0x10>;
interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
resets = <&rcc SAI4_R>;
+ access-controllers = <&etzpc 68>;
status = "disabled";
sai4a: audio-controller@50027004 {
@@ -1519,6 +1574,7 @@
dmas = <&mdma1 31 0x2 0x1000A02 0x0 0x0>;
dma-names = "in";
dma-maxburst = <2>;
+ access-controllers = <&etzpc 8>;
status = "disabled";
};
@@ -1527,6 +1583,7 @@
reg = <0x54003000 0x400>;
clocks = <&rcc RNG1_K>;
resets = <&rcc RNG1_R>;
+ access-controllers = <&etzpc 7>;
status = "disabled";
};
@@ -1537,6 +1594,7 @@
reg = <0x58002000 0x1000>;
clocks = <&rcc FMC_K>;
resets = <&rcc FMC_R>;
+ access-controllers = <&etzpc 91>;
status = "disabled";
ranges = <0 0 0x60000000 0x04000000>, /* EBI CS 1 */
@@ -1576,6 +1634,7 @@
resets = <&rcc QSPI_R>;
#address-cells = <1>;
#size-cells = <0>;
+ access-controllers = <&etzpc 92>;
status = "disabled";
};
@@ -1603,6 +1662,7 @@
snps,en-tx-lpi-clockgating;
snps,axi-config = <&stmmac_axi_config_0>;
snps,tso;
+ access-controllers = <&etzpc 94>;
status = "disabled";
stmmac_axi_config_0: stmmac-axi-config {
@@ -1618,6 +1678,7 @@
interrupts-extended = <&exti 26 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rcc USART1_K>;
wakeup-source;
+ access-controllers = <&etzpc 3>;
status = "disabled";
};
@@ -1631,6 +1692,7 @@
resets = <&rcc SPI6_R>;
dmas = <&mdma1 34 0x0 0x40008 0x0 0x0>,
<&mdma1 35 0x0 0x40002 0x0 0x0>;
+ access-controllers = <&etzpc 4>;
dma-names = "rx", "tx";
status = "disabled";
};
@@ -1648,6 +1710,7 @@
st,syscfg-fmp = <&syscfg 0x4 0x8>;
wakeup-source;
i2c-analog-filter;
+ access-controllers = <&etzpc 5>;
status = "disabled";
};
@@ -1664,6 +1727,7 @@
st,syscfg-fmp = <&syscfg 0x4 0x20>;
wakeup-source;
i2c-analog-filter;
+ access-controllers = <&etzpc 12>;
status = "disabled";
};
};
--- a/arch/arm/boot/dts/st/stm32mp153.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp153.dtsi
@@ -41,6 +41,7 @@
clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
clock-names = "hclk", "cclk";
bosch,mram-cfg = <0x0 0 0 32 0 0 2 2>;
+ access-controllers = <&etzpc 62>;
status = "disabled";
};
@@ -54,6 +55,7 @@
clocks = <&rcc CK_HSE>, <&rcc FDCAN_K>;
clock-names = "hclk", "cclk";
bosch,mram-cfg = <0x1400 0 0 32 0 0 2 2>;
+ access-controllers = <&etzpc 62>;
status = "disabled";
};
};
--- a/arch/arm/boot/dts/st/stm32mp15xc.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15xc.dtsi
@@ -11,6 +11,7 @@
interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&rcc CRYP1>;
resets = <&rcc CRYP1_R>;
+ access-controllers = <&etzpc 9>;
status = "disabled";
};
};
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