[Linux-stm32] [PATCH 3/4] ARM: dts: stm32: enable stmpe811 on stm32429-disco board

Alexandre Torgue alexandre.torgue at st.com
Thu May 7 12:20:51 UTC 2020



On 5/7/20 2:13 PM, Hua Dillon wrote:
> hi, alexandre torgue
> 
> so, if i add "---" below
>   Signed-off-by: dillon min <dillon.minfei at gmail.com 
> <mailto:dillon.minfei at gmail.com>>
>   in git commit process, with changes log after that.  the log will not 
> show in commit messages, but will exist in git patchs, just showing for 
> reviewers ?

Sorry I was not enough clear. Add --- after your signed-off and add your 
log change after

> 
> i will try this tomorrow, resubmit it.
> 
> thanks for your help.
> 
> best regards
> 
> dillon
> 
> 在 2020年5月7日星期四,Alexandre Torgue <alexandre.torgue at st.com 
> <mailto:alexandre.torgue at st.com>> 写道:
> 
>     Hi Dillon
> 
>     On 5/7/20 1:15 PM, dillon.minfei at gmail.com
>     <mailto:dillon.minfei at gmail.com> wrote:
> 
>         From: dillon min <dillon.minfei at gmail.com
>         <mailto:dillon.minfei at gmail.com>>
> 
>         Enable the stmpe811 touch screen on stm32429-disco board.
> 
>         Signed-off-by: dillon min <dillon.minfei at gmail.com
>         <mailto:dillon.minfei at gmail.com>>
> 
>         [PATCH 3/4]: ARM: dts: stm32: enable stmpe811 on stm32429-disco
> 
>         V2:
>         patch 3: remove unused id, blocks, irq-trigger
> 
>         V1:
>         patch 4: fix read touch screen xyz timeout bug
>         patch 3: enable stmpe_touchscreen on stm32f429-disco board
>         patch 2: add i2c3 pin mux for stm32f4
>         patch 1: add i2c3 controller interface for stm32f4
> 
> 
>     Good idea to add changes log for this patch. But this log has to be
>     placed  after "---" below. This log has not to appear in your commit
>     message. Furthermore, you should only add changes for this patch
>     without talking about other patches .
> 
> 
>         Signed-off-by: dillon min <dillon.minfei at gmail.com
>         <mailto:dillon.minfei at gmail.com>>
>         ---
> 
> 
>     Add patch change log here.
> 
>            arch/arm/boot/dts/stm32f429-disco.dts | 47
>         +++++++++++++++++++++++++++++++++++
>            1 file changed, 47 insertions(+)
> 
>         diff --git a/arch/arm/boot/dts/stm32f429-disco.dts
>         b/arch/arm/boot/dts/stm32f429-disco.dts
>         index 30c0f67..fad1ec1 100644
>         --- a/arch/arm/boot/dts/stm32f429-disco.dts
>         +++ b/arch/arm/boot/dts/stm32f429-disco.dts
>         @@ -49,6 +49,8 @@
>            #include "stm32f429.dtsi"
>            #include "stm32f429-pinctrl.dtsi"
>            #include <dt-bindings/input/input.h>
>         +#include <dt-bindings/interrupt-controller/irq.h>
>         +#include <dt-bindings/gpio/gpio.h>
>              / {
>                  model = "STMicroelectronics STM32F429i-DISCO board";
>         @@ -127,3 +129,48 @@
>                  pinctrl-names = "default";
>                  status = "okay";
>            };
>         +
>         +&i2c3 {
>         +       pinctrl-names = "default";
>         +       pinctrl-0 = <&i2c3_pins>;
>         +       clock-frequency = <100000>;
>         +       status = "okay";
>         +
>         +       stmpe811 at 41 {
>         +               compatible = "st,stmpe811";
>         +               reg = <0x41>;
>         +               interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
>         +               interrupt-parent = <&gpioa>;
>         +               /* 3.25 MHz ADC clock speed */
>         +               st,adc-freq = <1>;
>         +               /* 12-bit ADC */
>         +               st,mod-12b = <1>;
>         +               /* internal ADC reference */
>         +               st,ref-sel = <0>;
>         +               /* ADC converstion time: 80 clocks */
>         +               st,sample-time = <4>;
>         +
>         +               stmpe_touchscreen {
>         +                       compatible = "st,stmpe-ts";
>         +                       /* 8 sample average control */
>         +                       st,ave-ctrl = <3>;
>         +                       /* 7 length fractional part in z */
>         +                       st,fraction-z = <7>;
>         +                       /*
>         +                        * 50 mA typical 80 mA max touchscreen
>         drivers
>         +                        * current limit value
>         +                        */
>         +                       st,i-drive = <1>;
>         +                       /* 1 ms panel driver settling time */
>         +                       st,settling = <3>;
>         +                       /* 5 ms touch detect interrupt delay */
>         +                       st,touch-det-delay = <5>;
>         +               };
>         +
>         +               stmpe_adc {
>         +                       compatible = "st,stmpe-adc";
>         +                       /* forbid to use ADC channels 3-0 (touch) */
>         +                       st,norequest-mask = <0x0F>;
>         +               };
>         +       };
>         +};
> 
> 
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