Hi Alexandre,
On Thu, Jun 8, 2023 at 2:42 PM Alexandre TORGUE
<alexandre.tor...@foss.st.com> wrote:
>
> Hi Dario
>
> On 6/7/23 08:31, Dario Binacchi wrote:
> > Add pin configurations for using LTDC (LCD-tft Display Controller) on
> > stm32f746-disco board.
> >
> > Signed-off-by: Dario Binacchi <dario.binac...@amarulasolutions.com>
> > ---
> >
> > (no changes since v1)
> >
> > arch/arm/boot/dts/stm32f7-pinctrl.dtsi | 35 ++++++++++++++++++++++++++
> > 1 file changed, 35 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
> > b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
> > index 9f65403295ca..f3f90b9bcd61 100644
> > --- a/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
> > +++ b/arch/arm/boot/dts/stm32f7-pinctrl.dtsi
> > @@ -365,6 +365,41 @@ pins2 {
> > bias-pull-up;
> > };
> > };
> > +
> > +
> > + ltdc_pins_a: ltdc-pins-a-0 {
>
> ltdc-pins-a-0 --> ltdc-pins-0 is a bit cleaner. I know that I have to
> fix sdio pins nodes in this file to keep the same spirit for all group
> names.
I have looked at the file arch/arm/boot/dts/stm32f7-pinctrl.dtsi, and
based on the following nodes:
usart1_pins_a: usart1-0
i2c1_pins_b: i2c1-0
can1_pins_a: can1-0
I have decided to rename ltdc-pins-a-0 to ltdc-0.
I hope you agree.
Thanks and regards,
Dario
>
> If there is no V3 I wil do it directly when I'll apply DT patches if you
> agree.
>
> Alex
>
>
> > + pins {
> > + pinmux = <STM32_PINMUX('E', 4,
> > AF14)>, /* LCD_B0 */
> > + <STM32_PINMUX('G',12, AF9)>,
> > /* LCD_B4 */
> > + <STM32_PINMUX('I', 9,
> > AF14)>, /* LCD_VSYNC */
> > + <STM32_PINMUX('I',10,
> > AF14)>, /* LCD_HSYNC */
> > + <STM32_PINMUX('I',14,
> > AF14)>, /* LCD_CLK */
> > + <STM32_PINMUX('I',15,
> > AF14)>, /* LCD_R0 */
> > + <STM32_PINMUX('J', 0,
> > AF14)>, /* LCD_R1 */
> > + <STM32_PINMUX('J', 1,
> > AF14)>, /* LCD_R2 */
> > + <STM32_PINMUX('J', 2,
> > AF14)>, /* LCD_R3 */
> > + <STM32_PINMUX('J', 3,
> > AF14)>, /* LCD_R4 */
> > + <STM32_PINMUX('J', 4,
> > AF14)>, /* LCD_R5 */
> > + <STM32_PINMUX('J', 5,
> > AF14)>, /* LCD_R6 */
> > + <STM32_PINMUX('J', 6,
> > AF14)>, /* LCD_R7 */
> > + <STM32_PINMUX('J', 7,
> > AF14)>, /* LCD_G0 */
> > + <STM32_PINMUX('J', 8,
> > AF14)>, /* LCD_G1 */
> > + <STM32_PINMUX('J', 9,
> > AF14)>, /* LCD_G2 */
> > + <STM32_PINMUX('J',10,
> > AF14)>, /* LCD_G3 */
> > + <STM32_PINMUX('J',11,
> > AF14)>, /* LCD_G4 */
> > + <STM32_PINMUX('J',13,
> > AF14)>, /* LCD_B1 */
> > + <STM32_PINMUX('J',14,
> > AF14)>, /* LCD_B2 */
> > + <STM32_PINMUX('J',15,
> > AF14)>, /* LCD_B3 */
> > + <STM32_PINMUX('K', 0,
> > AF14)>, /* LCD_G5 */
> > + <STM32_PINMUX('K', 1,
> > AF14)>, /* LCD_G6 */
> > + <STM32_PINMUX('K', 2,
> > AF14)>, /* LCD_G7 */
> > + <STM32_PINMUX('K', 4,
> > AF14)>, /* LCD_B5 */
> > + <STM32_PINMUX('K', 5,
> > AF14)>, /* LCD_B6 */
> > + <STM32_PINMUX('K', 6,
> > AF14)>, /* LCD_B7 */
> > + <STM32_PINMUX('K', 7,
> > AF14)>; /* LCD_DE */
> > + slew-rate = <2>;
> > + };
> > + };
> > };
> > };
> > };
>
--
Dario Binacchi
Senior Embedded Linux Developer
dario.binac...@amarulasolutions.com
__________________________________
Amarula Solutions SRL
Via Le Canevare 30, 31100 Treviso, Veneto, IT
T. +39 042 243 5310
i...@amarulasolutions.com
www.amarulasolutions.com
