From 01e435d23b18621972097bbfb30a55be258b1ea2 Mon Sep 17 00:00:00 2001 From: Gabriel Fernandez Date: Thu, 23 Mar 2017 17:35:50 +0100 Subject: ARM: dts: stm32: Enable clocks for STM32F746 MCU This patch enables clocks for STM32F746 MCU. Signed-off-by: Gabriel Fernandez Signed-off-by: Alexandre TORGUE --- arch/arm/boot/dts/stm32f746.dtsi | 29 +++++++++++++++++++++++++++-- 1 file changed, 27 insertions(+), 2 deletions(-) (limited to 'arch/arm/boot/dts/stm32f746.dtsi') diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi index f321ffe87144..e05e131d07fe 100644 --- a/arch/arm/boot/dts/stm32f746.dtsi +++ b/arch/arm/boot/dts/stm32f746.dtsi @@ -43,6 +43,7 @@ #include "skeleton.dtsi" #include "armv7-m.dtsi" #include +#include / { clocks { @@ -51,6 +52,24 @@ compatible = "fixed-clock"; clock-frequency = <0>; }; + + clk-lse { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32768>; + }; + + clk-lsi { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <32000>; + }; + + clk_i2s_ckin: clk-i2s-ckin { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <48000000>; + }; }; soc { @@ -178,6 +197,11 @@ interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>; }; + pwrcfg: power-config@40007000 { + compatible = "syscon"; + reg = <0x40007000 0x400>; + }; + pin-controller { #address-cells = <1>; #size-cells = <1>; @@ -291,9 +315,10 @@ rcc: rcc@40023800 { #clock-cells = <2>; - compatible = "st,stm32f42xx-rcc", "st,stm32-rcc"; + compatible = "st,stm32f746-rcc", "st,stm32-rcc"; reg = <0x40023800 0x400>; - clocks = <&clk_hse>; + clocks = <&clk_hse>, <&clk_i2s_ckin>; + st,syscfg = <&pwrcfg>; }; }; }; -- cgit From 156fdf11ae44fa7e572ce502e845848dedfb2048 Mon Sep 17 00:00:00 2001 From: Gabriel Fernandez Date: Thu, 23 Mar 2017 17:33:40 +0100 Subject: dt-bindings: mfd: Add STM32F7 RCC numeric constants into DT include file This patch lists STM32F7's RCC numeric constants. It will be used by clock and reset drivers, and DT bindings. Signed-off-by: Gabriel Fernandez Acked-by: Lee Jones Signed-off-by: Alexandre TORGUE --- arch/arm/boot/dts/stm32f746.dtsi | 51 ++++++++++++++++++++-------------------- 1 file changed, 26 insertions(+), 25 deletions(-) (limited to 'arch/arm/boot/dts/stm32f746.dtsi') diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi index e05e131d07fe..09d6649471b5 100644 --- a/arch/arm/boot/dts/stm32f746.dtsi +++ b/arch/arm/boot/dts/stm32f746.dtsi @@ -44,6 +44,7 @@ #include "armv7-m.dtsi" #include #include +#include / { clocks { @@ -77,7 +78,7 @@ compatible = "st,stm32-timer"; reg = <0x40000000 0x400>; interrupts = <28>; - clocks = <&rcc 0 128>; + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM2)>; status = "disabled"; }; @@ -85,7 +86,7 @@ compatible = "st,stm32-timer"; reg = <0x40000400 0x400>; interrupts = <29>; - clocks = <&rcc 0 129>; + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM3)>; status = "disabled"; }; @@ -93,7 +94,7 @@ compatible = "st,stm32-timer"; reg = <0x40000800 0x400>; interrupts = <30>; - clocks = <&rcc 0 130>; + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM4)>; status = "disabled"; }; @@ -101,14 +102,14 @@ compatible = "st,stm32-timer"; reg = <0x40000c00 0x400>; interrupts = <50>; - clocks = <&rcc 0 131>; + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM5)>; }; timer6: timer@40001000 { compatible = "st,stm32-timer"; reg = <0x40001000 0x400>; interrupts = <54>; - clocks = <&rcc 0 132>; + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM6)>; status = "disabled"; }; @@ -116,7 +117,7 @@ compatible = "st,stm32-timer"; reg = <0x40001400 0x400>; interrupts = <55>; - clocks = <&rcc 0 133>; + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM7)>; status = "disabled"; }; @@ -124,7 +125,7 @@ compatible = "st,stm32f7-usart", "st,stm32f7-uart"; reg = <0x40004400 0x400>; interrupts = <38>; - clocks = <&rcc 0 145>; + clocks = <&rcc 1 CLK_USART2>; status = "disabled"; }; @@ -132,7 +133,7 @@ compatible = "st,stm32f7-usart", "st,stm32f7-uart"; reg = <0x40004800 0x400>; interrupts = <39>; - clocks = <&rcc 0 146>; + clocks = <&rcc 1 CLK_USART3>; status = "disabled"; }; @@ -140,7 +141,7 @@ compatible = "st,stm32f7-uart"; reg = <0x40004c00 0x400>; interrupts = <52>; - clocks = <&rcc 0 147>; + clocks = <&rcc 1 CLK_UART4>; status = "disabled"; }; @@ -148,7 +149,7 @@ compatible = "st,stm32f7-uart"; reg = <0x40005000 0x400>; interrupts = <53>; - clocks = <&rcc 0 148>; + clocks = <&rcc 1 CLK_UART5>; status = "disabled"; }; @@ -156,7 +157,7 @@ compatible = "st,stm32f7-usart", "st,stm32f7-uart"; reg = <0x40007800 0x400>; interrupts = <82>; - clocks = <&rcc 0 158>; + clocks = <&rcc 1 CLK_UART7>; status = "disabled"; }; @@ -164,7 +165,7 @@ compatible = "st,stm32f7-usart", "st,stm32f7-uart"; reg = <0x40007c00 0x400>; interrupts = <83>; - clocks = <&rcc 0 159>; + clocks = <&rcc 1 CLK_UART8>; status = "disabled"; }; @@ -172,7 +173,7 @@ compatible = "st,stm32f7-usart", "st,stm32f7-uart"; reg = <0x40011000 0x400>; interrupts = <37>; - clocks = <&rcc 0 164>; + clocks = <&rcc 1 CLK_USART1>; status = "disabled"; }; @@ -180,7 +181,7 @@ compatible = "st,stm32f7-usart", "st,stm32f7-uart"; reg = <0x40011400 0x400>; interrupts = <71>; - clocks = <&rcc 0 165>; + clocks = <&rcc 1 CLK_USART6>; status = "disabled"; }; @@ -215,7 +216,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x0 0x400>; - clocks = <&rcc 0 256>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOA)>; st,bank-name = "GPIOA"; }; @@ -223,7 +224,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x400 0x400>; - clocks = <&rcc 0 257>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOB)>; st,bank-name = "GPIOB"; }; @@ -231,7 +232,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x800 0x400>; - clocks = <&rcc 0 258>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOC)>; st,bank-name = "GPIOC"; }; @@ -239,7 +240,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0xc00 0x400>; - clocks = <&rcc 0 259>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOD)>; st,bank-name = "GPIOD"; }; @@ -247,7 +248,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x1000 0x400>; - clocks = <&rcc 0 260>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOE)>; st,bank-name = "GPIOE"; }; @@ -255,7 +256,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x1400 0x400>; - clocks = <&rcc 0 261>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOF)>; st,bank-name = "GPIOF"; }; @@ -263,7 +264,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x1800 0x400>; - clocks = <&rcc 0 262>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOG)>; st,bank-name = "GPIOG"; }; @@ -271,7 +272,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x1c00 0x400>; - clocks = <&rcc 0 263>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOH)>; st,bank-name = "GPIOH"; }; @@ -279,7 +280,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x2000 0x400>; - clocks = <&rcc 0 264>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOI)>; st,bank-name = "GPIOI"; }; @@ -287,7 +288,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x2400 0x400>; - clocks = <&rcc 0 265>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOJ)>; st,bank-name = "GPIOJ"; }; @@ -295,7 +296,7 @@ gpio-controller; #gpio-cells = <2>; reg = <0x2800 0x400>; - clocks = <&rcc 0 266>; + clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOK)>; st,bank-name = "GPIOK"; }; -- cgit From 91a7f89c8f88d3a7e102b2db13288e14864c7b65 Mon Sep 17 00:00:00 2001 From: Amelie Delaunay Date: Thu, 23 Mar 2017 14:28:40 +0100 Subject: ARM: dts: stm32: set HSE_RTC clock frequency to 1 MHz on stm32f746 This patch set HSE_RTC clock frequency to 1 MHz, as the clock supplied to the RTC must be 1 MHz. Signed-off-by: Amelie Delaunay Signed-off-by: Alexandre TORGUE --- arch/arm/boot/dts/stm32f746.dtsi | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/arm/boot/dts/stm32f746.dtsi') diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi index 09d6649471b5..af4bfd4a40be 100644 --- a/arch/arm/boot/dts/stm32f746.dtsi +++ b/arch/arm/boot/dts/stm32f746.dtsi @@ -320,6 +320,8 @@ reg = <0x40023800 0x400>; clocks = <&clk_hse>, <&clk_i2s_ckin>; st,syscfg = <&pwrcfg>; + assigned-clocks = <&rcc 1 CLK_HSE_RTC>; + assigned-clock-rates = <1000000>; }; }; }; -- cgit From 859e2647f09b5e057c7c1dec026a874e1f64ba35 Mon Sep 17 00:00:00 2001 From: Amelie Delaunay Date: Thu, 19 Jan 2017 14:45:00 +0100 Subject: ARM: dts: stm32: Add RTC support for STM32F746 MCU This patch adds STM32 RTC bindings for STM32F746. Signed-off-by: Amelie Delaunay Signed-off-by: Alexandre TORGUE --- arch/arm/boot/dts/stm32f746.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'arch/arm/boot/dts/stm32f746.dtsi') diff --git a/arch/arm/boot/dts/stm32f746.dtsi b/arch/arm/boot/dts/stm32f746.dtsi index af4bfd4a40be..bd8406b02a57 100644 --- a/arch/arm/boot/dts/stm32f746.dtsi +++ b/arch/arm/boot/dts/stm32f746.dtsi @@ -121,6 +121,20 @@ status = "disabled"; }; + rtc: rtc@40002800 { + compatible = "st,stm32-rtc"; + reg = <0x40002800 0x400>; + clocks = <&rcc 1 CLK_RTC>; + clock-names = "ck_rtc"; + assigned-clocks = <&rcc 1 CLK_RTC>; + assigned-clock-parents = <&rcc 1 CLK_LSE>; + interrupt-parent = <&exti>; + interrupts = <17 1>; + interrupt-names = "alarm"; + st,syscfg = <&pwrcfg>; + status = "disabled"; + }; + usart2: serial@40004400 { compatible = "st,stm32f7-usart", "st,stm32f7-uart"; reg = <0x40004400 0x400>; -- cgit