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Date: Fri, 20 Jan 2017 11:04:35 +0100
From: Alexandre Torgue <alexandre.torgue@...com>
To: Benjamin Gaignard <benjamin.gaignard@...aro.org>,
<lee.jones@...aro.org>, <robh+dt@...nel.org>,
<mark.rutland@....com>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <thierry.reding@...il.com>,
<linux-pwm@...r.kernel.org>, <jic23@...nel.org>, <knaack.h@....de>,
<lars@...afoo.de>, <pmeerw@...erw.net>,
<linux-iio@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>
CC: <fabrice.gasnier@...com>, <gerald.baeza@...com>,
<arnaud.pouliquen@...com>, <linaro-kernel@...ts.linaro.org>,
Benjamin Gaignard <benjamin.gaignard@...com>
Subject: Re: [PATCH v9 7/8] ARM: dts: stm32: add Timers driver for stm32f429
MCU
Hi Benjamin,
On 01/20/2017 10:15 AM, Benjamin Gaignard wrote:
> Add Timers and it sub-nodes into DT for stm32f429 family.
>
> version 9:
> - re-order timers node per addresses
>
> version 6:
> - split patch in two: one for SoC family and one for stm32f469
> discovery board.
>
> version 5:
> - rename gptimer node to timers
> - re-order timers node per addresses
>
> version 4:
> - remove unwanted indexing in pwm@ and timer@ node name
> - use "reg" instead of additional parameters to set timer
> configuration
>
> version 3:
> - use "st,stm32-timer-trigger" in DT
>
> version 2:
> - use parameters to describe hardware capabilities
> - do not use references for pwm and iio timer subnodes
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...com>
> ---
> arch/arm/boot/dts/stm32f429.dtsi | 275 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 275 insertions(+)
>
> diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
> index e4dae0e..b608935 100644
> --- a/arch/arm/boot/dts/stm32f429.dtsi
> +++ b/arch/arm/boot/dts/stm32f429.dtsi
> @@ -79,6 +79,27 @@
> status = "disabled";
> };
>
> + timers2: timers@...00000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "st,stm32-timers";
> + reg = <0x40000000 0x400>;
> + clocks = <&rcc 0 128>;
> + 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>;
> @@ -87,6 +108,27 @@
> status = "disabled";
> };
>
> + timers3: timers@...00400 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "st,stm32-timers";
> + reg = <0x40000400 0x400>;
> + clocks = <&rcc 0 129>;
> + 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>;
> @@ -95,6 +137,27 @@
> status = "disabled";
> };
>
> + timers4: timers@...00800 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "st,stm32-timers";
> + reg = <0x40000800 0x400>;
> + clocks = <&rcc 0 130>;
> + 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>;
> @@ -102,6 +165,27 @@
> clocks = <&rcc 0 131>;
> };
>
> + timers5: timers@...00c00 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "st,stm32-timers";
> + reg = <0x40000C00 0x400>;
> + clocks = <&rcc 0 131>;
> + 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>;
> @@ -110,6 +194,22 @@
> status = "disabled";
> };
>
> + timers6: timers@...01000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "st,stm32-timers";
> + reg = <0x40001000 0x400>;
> + clocks = <&rcc 0 132>;
> + 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>;
> @@ -118,6 +218,73 @@
> status = "disabled";
> };
>
> + timers7: timers@...01400 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "st,stm32-timers";
> + reg = <0x40001400 0x400>;
> + clocks = <&rcc 0 133>;
> + 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 0 134>;
> + 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 0 135>;
> + 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 0 136>;
> + clock-names = "int";
> + status = "disabled";
> +
> + pwm {
> + compatible = "st,stm32-pwm";
> + status = "disabled";
> + };
> + };
> +
> usart2: serial@...04400 {
> compatible = "st,stm32-usart", "st,stm32-uart";
> reg = <0x40004400 0x400>;
> @@ -169,6 +336,48 @@
> status = "disabled";
> };
>
> + timers1: timers@...10000 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "st,stm32-timers";
> + reg = <0x40010000 0x400>;
> + clocks = <&rcc 0 160>;
> + 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 0 161>;
> + 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,stm32-usart", "st,stm32-uart";
> reg = <0x40011000 0x400>;
> @@ -201,6 +410,57 @@
> 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 0 176>;
> + 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 0 177>;
> + 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 0 178>;
> + clock-names = "int";
> + status = "disabled";
> +
> + pwm {
> + compatible = "st,stm32-pwm";
> + status = "disabled";
> + };
> + };
> +
> pwrcfg: power-config@...07000 {
> compatible = "syscon";
> reg = <0x40007000 0x400>;
> @@ -355,6 +615,21 @@
> slew-rate = <2>;
> };
> };
> +
> + pwm1_pins: pwm@1 {
> + pins {
> + pinmux = <STM32F429_PA8_FUNC_TIM1_CH1>,
> + <STM32F429_PB13_FUNC_TIM1_CH1N>,
> + <STM32F429_PB12_FUNC_TIM1_BKIN>;
> + };
> + };
> +
> + pwm3_pins: pwm@3 {
> + pins {
> + pinmux = <STM32F429_PB4_FUNC_TIM3_CH1>,
> + <STM32F429_PB5_FUNC_TIM3_CH2>;
> + };
> + };
> };
>
> rcc: rcc@...23810 {
>
Acked-by: Alexandre TORGUE <alexandre.torgue@...com>
Thanks!
Alex
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