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authorArnd Bergmann <arnd@arndb.de>2017-10-20 01:29:17 +0300
committerArnd Bergmann <arnd@arndb.de>2017-10-20 01:39:00 +0300
commit7d738dbbe2ab871a6374aff6529e941df470c1a0 (patch)
tree04b1593be7ae4958c2328378895e5a251412da9f /Documentation
parent282e1cd16373d9b01dc64ff9f99c74d69df1812c (diff)
parent4bd93eb39d98e38a260abe955e20636f97b96aba (diff)
downloadlinux-7d738dbbe2ab871a6374aff6529e941df470c1a0.tar.xz
Merge tag 'stm32-dt-for-v4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32 into next/soc
Pull "STM32 DT updates for v4.15, round 1" from Alexandre Torgue: Highlights: ---------- -Add I2C1 support on STM32F746 SoC -Enable I2C1 on STM32F746 eval board -Add Timers support on STM32F746 SoC -Add USB HS and FS supports on STM32F746 Soc -Enable USB HS on STM32F746 disco and eval boards -Enable USB FS en STM32F746 disco board -Add Vrefbuf to STM32H743 SoC -Add LPTIMERS support on STM32H743 SoC -Add DMAMUX support on STM32H743 SoC -Enable STM32H743 clock driver -Add MDMA support on STM32H743 SoC -Change pinctrl pinmux entries for all SoC. * tag 'stm32-dt-for-v4.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32: ARM: dts: stm32: Add MDMA support for STM32H743 SoC ARM: dts: stm32: Enable USB FS on stm32f746-disco ARM: dts: stm32: Add USB FS support for STM32F746 MCU ARM: dts: stm32: Enable USB HS on stm32f746-disco ARM: dts: stm32: Enable USB HS on stm32746g-eval ARM: dts: stm32: Add USB HS support for STM32F746 MCU ARM: dts: stm32: change pinctrl bindings definition ARM: dts: stm32: Enable STM32H743 clock driver ARM: dts: stm32: fix hse clock frequency on STM32H743 Eval board ARM: dts: stm32: add Timers driver for stm32f746 MCU ARM: dts: stm32: Add DMAMUX support for STM32H743 SoC ARM: dts: stm32: Add lptimer definitions to stm32h743 ARM: dts: stm32: add vrefbuf to stm32h743 ARM: dts: stm32: Add I2C1 support for STM32F746 eval board ARM: dts: stm32: Add I2C1 support for STM32F746 SoC
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt22
1 files changed, 20 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
index 33e3d3c47552..58c2a4c229db 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.txt
@@ -143,6 +143,24 @@ Required properties:
* 16 : Alternate Function 15
* 17 : Analog
+ To simplify the usage, macro is available to generate "pinmux" field.
+ This macro is available here:
+ - include/dt-bindings/pinctrl/stm32-pinfunc.h
+
+ Some examples of using macro:
+ /* GPIO A9 set as alernate function 2 */
+ ... {
+ pinmux = <STM32_PINMUX('A', 9, AF2)>;
+ };
+ /* GPIO A9 set as GPIO */
+ ... {
+ pinmux = <STM32_PINMUX('A', 9, GPIO)>;
+ };
+ /* GPIO A9 set as analog */
+ ... {
+ pinmux = <STM32_PINMUX('A', 9, ANALOG)>;
+ };
+
Optional properties:
- GENERIC_PINCONFIG: is the generic pinconfig options to use.
Available options are:
@@ -165,13 +183,13 @@ pin-controller {
...
usart1_pins_a: usart1@0 {
pins1 {
- pinmux = <STM32F429_PA9_FUNC_USART1_TX>;
+ pinmux = <STM32_PINMUX('A', 9, AF7)>;
bias-disable;
drive-push-pull;
slew-rate = <0>;
};
pins2 {
- pinmux = <STM32F429_PA10_FUNC_USART1_RX>;
+ pinmux = <STM32_PINMUX('A', 10, AF7)>;
bias-disable;
};
};