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boards: nxp: mimxrt1050: remove display, document usable shields
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Remove display definition from MIMXRT1050 EVK, and document the shields
that can be used with the board's FPC 40+6 pin parallel display
interface.

Signed-off-by: Daniel DeGrasse <[email protected]>
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@danieldegrasse @jhedberg
danieldegrasse authored and jhedberg committed Jun 11, 2024
1 parent 59af15a commit 2061e60
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Showing 3 changed files with 33 additions and 95 deletions.
46 changes: 0 additions & 46 deletions boards/nxp/mimxrt1050_evk/Kconfig.defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -10,17 +10,6 @@ config DEVICE_CONFIGURATION_DATA

config NXP_IMX_EXTERNAL_SDRAM
default y

config INPUT
default y if LVGL

if INPUT

config INPUT_FT5336_INTERRUPT
default y

endif # INPUT

if NETWORKING

config NET_L2_ETHERNET
Expand All @@ -35,39 +24,4 @@ endif # ETH_MCUX

endif # NETWORKING

if LVGL

# LVGL should allocate buffers equal to size of display
config LV_Z_VDB_SIZE
default 100

# Enable double buffering
config LV_Z_DOUBLE_VDB
default y

# Force full refresh. This prevents memory copy associated with partial
# display refreshes, which is not necessary for the eLCDIF driver
config LV_Z_FULL_REFRESH
default y

config LV_DPI_DEF
default 128

config LV_Z_BITS_PER_PIXEL
default 16

# Force display buffers to be aligned to cache line size (32 bytes)
config LV_Z_VDB_ALIGN
default 32

# Use offloaded render thread
config LV_Z_FLUSH_THREAD
default y

choice LV_COLOR_DEPTH
default LV_COLOR_DEPTH_16
endchoice

endif # LVGL

endif # BOARD_MIMXRT1050_EVK
4 changes: 3 additions & 1 deletion boards/nxp/mimxrt1050_evk/doc/index.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -119,7 +119,9 @@ already supported, which can also be re-used on this mimxrt1050_evk board:
+-----------+------------+-------------------------------------+
| SYSTICK | on-chip | systick |
+-----------+------------+-------------------------------------+
| DISPLAY | on-chip | display |
| DISPLAY | on-chip | eLCDIF. Tested with |
| | | :ref:`rk043fn02h_ct`, and |
| | | :ref:`rk043fn66hs_ctg` shields |
+-----------+------------+-------------------------------------+
| GPIO | on-chip | gpio |
+-----------+------------+-------------------------------------+
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78 changes: 30 additions & 48 deletions boards/nxp/mimxrt1050_evk/mimxrt1050_evk.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,6 @@

#include <nxp/nxp_rt1050.dtsi>
#include "mimxrt1050_evk-pinctrl.dtsi"
#include <zephyr/dt-bindings/display/panel.h>
#include <zephyr/dt-bindings/input/input-event-codes.h>

/ {
Expand All @@ -30,7 +29,6 @@
zephyr,dtcm = &dtcm;
zephyr,console = &lpuart1;
zephyr,shell-uart = &lpuart1;
zephyr,display = &lcdif;
};

sdram0: memory@80000000 {
Expand All @@ -39,6 +37,33 @@
reg = <0x80000000 DT_SIZE_M(32)>;
};

/*
* This node describes the GPIO pins of the parallel FPC interface,
* This interface is standard to several NXP EVKs, and is used with
* several parallel LCD displays (available as zephyr shields)
*/
nxp_parallel_lcd_connector: parallel-connector {
compatible = "nxp,parallel-lcd-connector";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = <0 0 &gpio2 31 0>; /* Pin 1, BL+ */
};

/*
* This node describes the GPIO pins of the I2C display FPC interface,
* This interface is standard to several NXP EVKs, and is used with
* several parallel LCD displays (available as zephyr shields)
*/
nxp_i2c_touch_fpc: i2c-touch-connector {
compatible = "nxp,i2c-tsc-fpc";
#gpio-cells = <2>;
gpio-map-mask = <0xffffffff 0xffffffc0>;
gpio-map-pass-thru = <0 0x3f>;
gpio-map = <1 0 &gpio1 2 0>, /* Pin 2, LCD touch RST */
<2 0 &gpio1 11 0>; /* Pin 3, LCD touch INT */
};

leds {
compatible = "gpio-leds";
green_led: led_0 {
Expand All @@ -56,11 +81,6 @@
};
};

lvgl_pointer {
compatible = "zephyr,lvgl-pointer-input";
input = <&ft5336>;
};

arduino_header: connector {
compatible = "arduino-header-r3";
#gpio-cells = <2>;
Expand Down Expand Up @@ -89,15 +109,6 @@
<20 0 &gpio1 1 0>, /* D14 */
<21 0 &gpio1 0 0>; /* D15 */
};

panel {
compatible = "rocktech,rk043fn02h-ct";
port {
lcd_panel_in: endpoint {
remote-endpoint = <&lcd_panel_out>;
};
};
};
};

arduino_serial: &lpuart3 {
Expand All @@ -112,34 +123,11 @@ arduino_serial: &lpuart3 {
pinctrl-names = "default";
};

&lcdif {
status = "okay";
width = <480>;
height = <272>;
display-timings {
compatible = "zephyr,panel-timing";
hsync-len = <41>;
hfront-porch = <4>;
hback-porch = <8>;
vsync-len = <10>;
vfront-porch = <4>;
vback-porch = <2>;
de-active= <1>;
pixelclk-active = <1>;
hsync-active = <0>;
vsync-active = <0>;
clock-frequency = <9210240>;
};
pixel-format = <PANEL_PIXEL_FORMAT_BGR_565>;
data-bus-width = "16-bit";
nxp_touch_i2c: &lpi2c1 {};

zephyr_lcdif: &lcdif {
pinctrl-0 = <&pinmux_lcdif>;
pinctrl-names = "default";
backlight-gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>;
port {
lcd_panel_out: endpoint {
remote-endpoint = <&lcd_panel_in>;
};
};
};

&lpi2c1 {
Expand All @@ -159,12 +147,6 @@ arduino_serial: &lpuart3 {
int1-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>;
int2-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
};

ft5336: ft5336@38 {
compatible = "focaltech,ft5336";
reg = <0x38>;
int-gpios = <&gpio1 11 GPIO_ACTIVE_LOW>;
};
};

&lpuart1 {
Expand Down

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