Re: [RESEND PATCH v2 2/6] ARM: dts: stm32: add pin map for LTDC on stm32f7
From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Date: 2023-06-09 06:21:56
Also in:
dri-devel, linux-devicetree, lkml
Hi Alexandre, On Thu, Jun 8, 2023 at 2:42 PM Alexandre TORGUE [off-list ref] wrote:
Hi Dario On 6/7/23 08:31, Dario Binacchi wrote:quoted
Add pin configurations for using LTDC (LCD-tft Display Controller) on stm32f746-disco board. Signed-off-by: Dario Binacchi <dario.binacchi@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. Alexquoted
+ 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.binacchi@amarulasolutions.com __________________________________ Amarula Solutions SRL Via Le Canevare 30, 31100 Treviso, Veneto, IT T. +39 042 243 5310 info@amarulasolutions.com www.amarulasolutions.com _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel