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boards: shield: Support touch for the NXP LCD-PAR-S035 LCD on MCXN947 #75353

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boards: shield: Support touch for the NXP LCD-PAR-S035 LCD on MCXN947 #75353

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82fcb0d
boards: shield: Support touch for the NXP LCD-PAR-S035 LCD on MCXN947
groncarolonxp Jul 2, 2024
a49ebaf
remove duplicate full definition
groncarolonxp Aug 19, 2024
f810996
use yaml
groncarolonxp Aug 19, 2024
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14 changes: 13 additions & 1 deletion boards/nxp/frdm_mcxn947/frdm_mcxn947.dtsi
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Expand Up @@ -52,14 +52,26 @@
status = "disabled";
};
};

nxp_flexio_connector: flexio-connector {
compatible = "nxp,flexio-lcd";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = <
0 0 &gpio4 6 0 /* Pin 5, INT */
1 0 &gpio4 0 0 /* Pin 0, BOGUS RESET */
>;
};

};

&flexcomm1_lpspi1 {
pinctrl-0 = <&pinmux_flexcomm1_lpspi>;
pinctrl-names = "default";
};

&flexcomm2_lpi2c2 {
flexio_i2c: &flexcomm2_lpi2c2 {
pinctrl-0 = <&pinmux_flexcomm2_lpi2c>;
pinctrl-names = "default";
clock-frequency = <I2C_BITRATE_STANDARD>;
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5 changes: 5 additions & 0 deletions boards/shields/lcd_par_s035/Kconfig.defconfig
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Expand Up @@ -4,6 +4,11 @@
if SHIELD_LCD_PAR_S035
if LVGL

# Configure LVGL to use touchscreen with KSCAN API

config INPUT
default y

# Enable double buffering
config LV_Z_DOUBLE_VDB
default y
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14 changes: 14 additions & 0 deletions boards/shields/lcd_par_s035/boards/frdm_mcxn947_mcxn947_cpu0.overlay
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@@ -0,0 +1,14 @@
/*
* Copyright 2024, NXP
*
* SPDX-License-Identifier: Apache-2.0
*/


&flexio_i2c {
status = "okay";
gt911_lcd_par_s035: gt911-lcd_par_s035@5d {
/delete-property/ reset-gpios;
alt-addr = <0x14>;
};
};
17 changes: 17 additions & 0 deletions boards/shields/lcd_par_s035/lcd_par_s035_8080.overlay
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Expand Up @@ -10,6 +10,13 @@
chosen {
zephyr,display = &st7796s;
};

lvgl_pointer {
compatible = "zephyr,lvgl-pointer-input";
input = <&gt911_lcd_par_s035>;
swap-xy;
invert-y;
};
};

&nxp_flexio_lcd {
Expand Down Expand Up @@ -39,3 +46,13 @@
color-invert;
};
};

&flexio_i2c {
status = "okay";
gt911_lcd_par_s035: gt911-lcd_par_s035@5d {
compatible = "goodix,gt911";
reg = <0x5d>;
irq-gpios = <&nxp_flexio_connector 0 GPIO_ACTIVE_HIGH>; // INT
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This looks wrong irq-gpios is an phandle-array now the 2nd assignment overrules the first one.

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you are right!

reset-gpios = <&nxp_flexio_connector 1 GPIO_ACTIVE_HIGH>; // RESET
};
};
41 changes: 41 additions & 0 deletions dts/bindings/gpio/nxp,flexio-lcd.yaml
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This does not belong in dts/bindings/gpio/.

Original file line number Diff line number Diff line change
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# Copyright 2024 NXP
# SPDX-License-Identifier: Apache-2.0


compatible: "nxp,flexio-lcd"

description: |
GPIO pins exposed on NXP FlexIO LCD interface. These pins are
exposed on a 32 pin. The pins have the
following assignments:

Pin Number Usage
1 VDD (3v3)
2 GND
3 FC2_I2C_SCL-FXIO_HDR
4 FC2_I2C_SDA-FXIO_HDR
5 LCD_INT
6 LCD_GPIO
7 LCD_RST
8 LCD_DC
9 LCD_CS
10 LCD_WR
11 LCD_RD
12 LCD_TE
13-15 FXIO_HDR
16 D19
17 D20
18 D21
19 D22
20 D23
21 D24
22 D25
23 D26
24 D27
25 D28
26 D29
27 D30
28 D31
29-32 NC

include: [gpio-nexus.yaml, base.yaml]
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