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Date: Fri, 6 Oct 2017 09:13:02 +0200
From: Benjamin Gaignard <benjamin.gaignard@...aro.org>
To: Alexandre Torgue <alexandre.torgue@...com>
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Russell King - ARM Linux <linux@...linux.org.uk>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Benjamin Gaignard <benjamin.gaignard@...com>
Subject: Re: [PATCH] ARM: dts: stm32: add Timers driver for stm32f746 MCU
2017-10-05 18:06 GMT+02:00 Alexandre Torgue <alexandre.torgue@...com>:
> Hi Benjamin,
>
> On 10/04/2017 11:27 AM, Benjamin Gaignard wrote:
>>
>> Add Timers and it sub-nodes into DT for stm32f746 family.
>>
>> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
>> ---
>> arch/arm/boot/dts/stm32f746.dtsi | 270
>> +++++++++++++++++++++++++++++++++++++++
>> 1 file changed, 270 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/stm32f746.dtsi
>> b/arch/arm/boot/dts/stm32f746.dtsi
>> index 4506eb9..ae84816 100644
>> --- a/arch/arm/boot/dts/stm32f746.dtsi
>> +++ b/arch/arm/boot/dts/stm32f746.dtsi
>> @@ -82,6 +82,27 @@
>> status = "disabled";
>> };
>> + timers2: timers@...00000 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40000000 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM2)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> +
>> + timer@1 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <1>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> timer3: timer@...00400 {
>> compatible = "st,stm32-timer";
>> reg = <0x40000400 0x400>;
>> @@ -90,6 +111,27 @@
>> status = "disabled";
>> };
>> + timers3: timers@...00400 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40000400 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM3)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> +
>> + timer@2 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <2>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> timer4: timer@...00800 {
>> compatible = "st,stm32-timer";
>> reg = <0x40000800 0x400>;
>> @@ -98,6 +140,27 @@
>> status = "disabled";
>> };
>> + timers4: timers@...00800 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40000800 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM4)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> +
>> + timer@3 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <3>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> timer5: timer@...00c00 {
>> compatible = "st,stm32-timer";
>> reg = <0x40000c00 0x400>;
>> @@ -105,6 +168,27 @@
>> clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM5)>;
>> };
>> + timers5: timers@...00c00 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40000C00 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM5)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> +
>> + timer@4 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <4>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> timer6: timer@...01000 {
>> compatible = "st,stm32-timer";
>> reg = <0x40001000 0x400>;
>> @@ -113,6 +197,22 @@
>> status = "disabled";
>> };
>> + timers6: timers@...01000 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40001000 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM6)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + timer@5 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <5>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> timer7: timer@...01400 {
>> compatible = "st,stm32-timer";
>> reg = <0x40001400 0x400>;
>> @@ -121,6 +221,73 @@
>> status = "disabled";
>> };
>> + timers7: timers@...01400 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40001400 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM7)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + timer@6 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <6>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> + timers12: timers@...01800 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40001800 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM12)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> +
>> + timer@11 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <11>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> + timers13: timers@...01c00 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40001C00 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM13)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> + };
>> +
>> + timers14: timers@...02000 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40002000 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB1_CLOCK(TIM14)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> + };
>> +
>> rtc: rtc@...02800 {
>> compatible = "st,stm32-rtc";
>> reg = <0x40002800 0x400>;
>> @@ -183,6 +350,48 @@
>> status = "disabled";
>> };
>> + timers1: timers@...10000 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40010000 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM1)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> +
>> + timer@0 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <0>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> + timers8: timers@...10400 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40010400 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM8)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> +
>> + timer@7 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <7>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> usart1: serial@...11000 {
>> compatible = "st,stm32f7-usart",
>> "st,stm32f7-uart";
>> reg = <0x40011000 0x400>;
>> @@ -212,11 +421,72 @@
>> interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>,
>> <10>, <23>, <40>, <41>, <42>, <62>, <76>;
>> };
>> + timers9: timers@...14000 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40014000 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM9)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> +
>> + timer@8 {
>> + compatible = "st,stm32-timer-trigger";
>> + reg = <8>;
>> + status = "disabled";
>> + };
>> + };
>> +
>> + timers10: timers@...14400 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40014400 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM10)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> + };
>> +
>> + timers11: timers@...14800 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + compatible = "st,stm32-timers";
>> + reg = <0x40014800 0x400>;
>> + clocks = <&rcc 0 STM32F7_APB2_CLOCK(TIM11)>;
>> + clock-names = "int";
>> + status = "disabled";
>> +
>> + pwm {
>> + compatible = "st,stm32-pwm";
>> + status = "disabled";
>> + };
>> + };
>> +
>> pwrcfg: power-config@...07000 {
>> compatible = "syscon";
>> reg = <0x40007000 0x400>;
>> };
>> + ltdc: display-controller@...16800 {
>> + compatible = "st,stm32-ltdc";
>> + reg = <0x40016800 0x200>;
>> + interrupts = <88>, <89>;
>> + resets = <&rcc STM32F7_APB2_RESET(LTDC)>;
>> + clocks = <&rcc 1 CLK_LCD>;
>> + clock-names = "lcd";
>> + status = "disabled";
>> + };
>> +
>
>
> Why do you add ltdc node in this patch ? Maybe a separate patch would be
> better.
Sorry you got a teaser of the next patch I will send a v2 without it
>
>
>> pin-controller {
>> #address-cells = <1>;
>> #size-cells = <1>;
>>
>
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