From: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxx>
Add RCC support to manage clocks and resets on the STM32MP251.
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxxxxxxx>
---
arch/arm64/boot/dts/st/stm32mp251.dtsi | 59 ++++++++++++++------------
1 file changed, 31 insertions(+), 28 deletions(-)
diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 124403f5f1f4..dfbdb3a773e4 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -3,7 +3,9 @@
* Copyright (C) STMicroelectronics 2023 - All Rights Reserved
* Author: Alexandre Torgue <alexandre.torgue@xxxxxxxxxxx> for STMicroelectronics.
*/
+#include <dt-bindings/clock/st,stm32mp25-rcc.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/reset/st,stm32mp25-rcc.h>
/ {
#address-cells = <2>;
@@ -35,22 +37,10 @@ arm_wdt: watchdog {
};
clocks {
- ck_flexgen_08: ck-flexgen-08 {
+ clk_rcbsec: clk-rcbsec {
#clock-cells = <0>;
compatible = "fixed-clock";
- clock-frequency = <100000000>;
- };
-
- ck_flexgen_51: ck-flexgen-51 {
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <200000000>;
- };
-
- ck_icn_ls_mcu: ck-icn-ls-mcu {
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <200000000>;
+ clock-frequency = <64000000>;
};
};
@@ -122,7 +112,7 @@ usart2: serial@400e0000 {
compatible = "st,stm32h7-uart";
reg = <0x400e0000 0x400>;
interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&ck_flexgen_08>;
+ clocks = <&rcc CK_KER_USART2>;
status = "disabled";
};
@@ -131,7 +121,7 @@ sdmmc1: mmc@48220000 {
arm,primecell-periphid = <0x00353180>;
reg = <0x48220000 0x400>, <0x44230400 0x8>;
interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&ck_flexgen_51>;
+ clocks = <&rcc CK_KER_SDMMC1 >;
clock-names = "apb_pclk";
cap-sd-highspeed;
cap-mmc-highspeed;
@@ -140,6 +130,19 @@ sdmmc1: mmc@48220000 {
};
};
+ rcc: clock-controller@44200000 {
+ compatible = "st,stm32mp25-rcc";
+ reg = <0x44200000 0x10000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ clock-names = "hse", "hsi", "msi", "lse", "lsi";
+ clocks = <&scmi_clk CK_SCMI_HSE>,
+ <&scmi_clk CK_SCMI_HSI>,
+ <&scmi_clk CK_SCMI_MSI>,
+ <&scmi_clk CK_SCMI_LSE>,
+ <&scmi_clk CK_SCMI_LSI>;
+ };
+
syscfg: syscon@44230000 {
compatible = "st,stm32mp25-syscfg", "syscon";
reg = <0x44230000 0x10000>;
@@ -158,7 +161,7 @@ gpioa: gpio@44240000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x0 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOA>;
st,bank-name = "GPIOA";
status = "disabled";
};
@@ -169,7 +172,7 @@ gpiob: gpio@44250000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x10000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOB>;
st,bank-name = "GPIOB";
status = "disabled";
};
@@ -180,7 +183,7 @@ gpioc: gpio@44260000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x20000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOC>;
st,bank-name = "GPIOC";
status = "disabled";
};
@@ -191,7 +194,7 @@ gpiod: gpio@44270000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x30000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOD>;
st,bank-name = "GPIOD";
status = "disabled";
};
@@ -202,7 +205,7 @@ gpioe: gpio@44280000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x40000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOE>;
st,bank-name = "GPIOE";
status = "disabled";
};
@@ -213,7 +216,7 @@ gpiof: gpio@44290000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x50000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOF>;
st,bank-name = "GPIOF";
status = "disabled";
};
@@ -224,7 +227,7 @@ gpiog: gpio@442a0000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x60000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOG>;
st,bank-name = "GPIOG";
status = "disabled";
};
@@ -235,7 +238,7 @@ gpioh: gpio@442b0000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x70000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOH>;
st,bank-name = "GPIOH";
status = "disabled";
};
@@ -246,7 +249,7 @@ gpioi: gpio@442c0000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x80000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOI>;
st,bank-name = "GPIOI";
status = "disabled";
};
@@ -257,7 +260,7 @@ gpioj: gpio@442d0000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0x90000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOJ>;
st,bank-name = "GPIOJ";
status = "disabled";
};
@@ -268,7 +271,7 @@ gpiok: gpio@442e0000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0xa0000 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOK>;
st,bank-name = "GPIOK";
status = "disabled";
};
@@ -287,7 +290,7 @@ gpioz: gpio@46200000 {
interrupt-controller;
#interrupt-cells = <2>;
reg = <0 0x400>;
- clocks = <&ck_icn_ls_mcu>;
+ clocks = <&scmi_clk CK_SCMI_GPIOZ>;
st,bank-name = "GPIOZ";
st,bank-ioport = <11>;
status = "disabled";
--
2.25.1
