Re: [PATCH 7/7] add stm32 multi-functions timer driver in DT

From: Alexandre Torgue
Date: Tue Nov 22 2016 - 12:01:27 EST

Hi Benjamin,

On 11/22/2016 05:13 PM, Benjamin Gaignard wrote:
Add timers MFD and childs into DT for stm32f4.
Define and enable pwm1 and pwm3 for stm32f469 discovery board

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxx>

If you have to send a v2 for this series please change commit header by: "ARM: dts: stm32: ..." (if not I will do it by myself)

---
arch/arm/boot/dts/stm32f429.dtsi | 246 ++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/stm32f469-disco.dts | 29 ++++
2 files changed, 275 insertions(+)

diff --git a/arch/arm/boot/dts/stm32f429.dtsi b/arch/arm/boot/dts/stm32f429.dtsi
index bca491d..28a0fe9 100644
--- a/arch/arm/boot/dts/stm32f429.dtsi
+++ b/arch/arm/boot/dts/stm32f429.dtsi
@@ -355,6 +355,21 @@
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@40023810 {
@@ -426,6 +441,237 @@
interrupts = <80>;
clocks = <&rcc 0 38>;
};
+
+ mfd_timer1: mfdtimer1@40010000 {
+ compatible = "st,stm32-mfd-timer1";
+ reg = <0x40010000 0x400>;
+ clocks = <&rcc 0 160>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <27>;
+ status = "disabled";
+
+ pwm1: pwm1@40010000 {
+ compatible = "st,stm32-pwm1";
+ status = "disabled";
+ };
+
+ iiotimer1: iiotimer1@40010000 {
+ compatible = "st,stm32-iio-timer1";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer2: mfdtimer2@40000000 {
+ compatible = "st,stm32-mfd-timer2";
+ reg = <0x40000000 0x400>;
+ clocks = <&rcc 0 128>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <28>;
+ status = "disabled";
+
+ pwm2: pwm2@40000000 {
+ compatible = "st,stm32-pwm2";
+ status = "disabled";
+ };
+ iiotimer2: iiotimer2@40000000 {
+ compatible = "st,stm32-iio-timer2";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer3: mfdtimer3@40000400 {
+ compatible = "st,stm32-mfd-timer3";
+ reg = <0x40000400 0x400>;
+ clocks = <&rcc 0 129>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <29>;
+ status = "disabled";
+
+ pwm3: pwm3@40000400 {
+ compatible = "st,stm32-pwm3";
+ status = "disabled";
+ };
+ iiotimer3: iiotimer3@40000400 {
+ compatible = "st,stm32-iio-timer3";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer4: mfdtimer4@40000800 {
+ compatible = "st,stm32-mfd-timer4";
+ reg = <0x40000800 0x400>;
+ clocks = <&rcc 0 130>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <30>;
+ status = "disabled";
+
+ pwm4: pwm4@40000800 {
+ compatible = "st,stm32-pwm4";
+ status = "disabled";
+ };
+ iiotimer4: iiotimer4@40000800 {
+ compatible = "st,stm32-iio-timer4";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer5: mfdtimer5@40000C00 {
+ compatible = "st,stm32-mfd-timer5";
+ reg = <0x40000C00 0x400>;
+ clocks = <&rcc 0 131>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <50>;
+ status = "disabled";
+
+ pwm5: pwm5@40000C00 {
+ compatible = "st,stm32-pwm5";
+ status = "disabled";
+ };
+ iiotimer5: iiotimer5@40000800 {
+ compatible = "st,stm32-iio-timer5";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer6: mfdtimer6@40001000 {
+ compatible = "st,stm32-mfd-timer6";
+ reg = <0x40001000 0x400>;
+ clocks = <&rcc 0 132>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <54>;
+ status = "disabled";
+
+ iiotimer6: iiotimer6@40001000 {
+ compatible = "st,stm32-iio-timer6";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer7: mfdtimer7@40001400 {
+ compatible = "st,stm32-mfd-timer7";
+ reg = <0x40001400 0x400>;
+ clocks = <&rcc 0 133>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <55>;
+ status = "disabled";
+
+ iiotimer7: iiotimer7@40001400 {
+ compatible = "st,stm32-iio-timer7";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer8: mfdtimer8@40010400 {
+ compatible = "st,stm32-mfd-timer8";
+ reg = <0x40010400 0x400>;
+ clocks = <&rcc 0 161>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <46>;
+ status = "disabled";
+
+ pwm8: pwm8@40010400 {
+ compatible = "st,stm32-pwm8";
+ status = "disabled";
+ };
+
+ iiotimer8: iiotimer7@40010400 {
+ compatible = "st,stm32-iio-timer8";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer9: mfdtimer9@40014000 {
+ compatible = "st,stm32-mfd-timer9";
+ reg = <0x40014000 0x400>;
+ clocks = <&rcc 0 176>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <24>;
+ status = "disabled";
+
+ pwm9: pwm9@40014000 {
+ compatible = "st,stm32-pwm9";
+ status = "disabled";
+ };
+
+ iiotimer9: iiotimer9@40014000 {
+ compatible = "st,stm32-iio-timer9";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer10: mfdtimer10@40014400 {
+ compatible = "st,stm32-mfd-timer10";
+ reg = <0x40014400 0x400>;
+ clocks = <&rcc 0 177>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <25>;
+ status = "disabled";
+
+ pwm10: pwm10@40014400 {
+ compatible = "st,stm32-pwm10";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer11: mfdtimer11@40014800 {
+ compatible = "st,stm32-mfd-timer11";
+ reg = <0x40014800 0x400>;
+ clocks = <&rcc 0 178>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <26>;
+ status = "disabled";
+
+ pwm11: pwm11@40014800 {
+ compatible = "st,stm32-pwm11";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer12: mfdtimer12@40001800 {
+ compatible = "st,stm32-mfd-timer12";
+ reg = <0x40001800 0x400>;
+ clocks = <&rcc 0 134>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <43>;
+ status = "disabled";
+
+ pwm12: pwm12@40001800 {
+ compatible = "st,stm32-pwm12";
+ status = "disabled";
+ };
+ iiotimer12: iiotimer12@40001800 {
+ compatible = "st,stm32-iio-timer12";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer13: mfdtimer13@40001C00 {
+ compatible = "st,stm32-mfd-timer13";
+ reg = <0x40001C00 0x400>;
+ clocks = <&rcc 0 135>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <44>;
+ status = "disabled";
+
+ pwm13: pwm13@40001C00 {
+ compatible = "st,stm32-pwm13";
+ status = "disabled";
+ };
+ };
+
+ mfd_timer14: mfdtimer14@40002000 {
+ compatible = "st,stm32-mfd-timer14";
+ reg = <0x40002000 0x400>;
+ clocks = <&rcc 0 136>;
+ clock-names = "mfd_timer_clk";
+ interrupts = <45>;
+ status = "disabled";
+
+ pwm14: pwm14@40002000 {
+ compatible = "st,stm32-pwm14";
+ status = "disabled";
+ };
+ };
};
};

diff --git a/arch/arm/boot/dts/stm32f469-disco.dts b/arch/arm/boot/dts/stm32f469-disco.dts
index 8a163d7..a8f1788 100644
--- a/arch/arm/boot/dts/stm32f469-disco.dts
+++ b/arch/arm/boot/dts/stm32f469-disco.dts
@@ -81,3 +81,32 @@
&usart3 {
status = "okay";
};
+
+&mfd_timer1 {
+ status = "okay";
+};
+
+&pwm1 {
+ pinctrl-0 = <&pwm1_pins>;
+ pinctrl-names = "default";
+ st,breakinput-polarity = <0>;
+ status = "okay";
+};
+
+&iiotimer1 {
+ status = "okay";
+};
+
+&mfd_timer3 {
+ status = "okay";
+};
+
+&pwm3 {
+ pinctrl-0 = <&pwm3_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
+
+&iiotimer3 {
+ status = "okay";
+};