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boards: Add MIPI support on MXRT1170 EVK

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1. Add MIPI support on MXRT1170 EVK board

2. To support the 720x1280 on RT1170 EVK, we
   require more heap for the display buffers.
   Increase the heap size via HEAP_MEM_POOL_SIZE config

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>
This commit is contained in:
Mahesh Mahadevan 2022-02-23 15:36:49 -06:00 • committed by David Leach
commit 2c11c0db54
3 changed files with 74 additions and 1 deletions
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19
boards/arm/mimxrt1170_evk/Kconfig.defconfig
View file

@ -46,4 +46,23 @@ config ETH_MCUX_PHY_RESET
endif # NETWORKING
if DISPLAY
config MIPI_DSI
default y
# Adjust the memory pool block size for a 720x1280 display
config MCUX_ELCDIF_POOL_BLOCK_MAX
default 0x1C3000
# Memory from the heap pool is used to allocate display buffers.
# Adjust HEAP_MEM_POOL_SIZE.
config HEAP_MEM_POOL_SIZE
default 4194304
config REGULATOR
default y
endif # DISPLAY
endif # BOARD_MIMXRT1170_EVK_CM7 || BOARD_MIMXRT1170_EVK_CM4

2
boards/arm/mimxrt1170_evk/doc/index.rst
View file

@ -125,6 +125,8 @@ features:
+-----------+------------+-------------------------------------+
| HWINFO | on-chip | Unique device serial number |
+-----------+------------+-------------------------------------+
| DISPLAY | on-chip | display |
+-----------+------------+-------------------------------------+
The default configuration can be found in the defconfig file:
``boards/arm/mimxrt1170_evk/mimxrt1170_evk_cm7_defconfig``

54
boards/arm/mimxrt1170_evk/mimxrt1170_evk_cm7.dts
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2021, NXP
* Copyright 2021-22, NXP
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -13,6 +13,10 @@
model = "NXP MIMXRT1170-EVK board";
compatible = "nxp,mimxrt1176";
aliases {
mipi-dsi = &mipi_dsi;
};
chosen {
zephyr,sram = &sdram0;
zephyr,dtcm = &dtcm;
@ -23,6 +27,7 @@
zephyr,flash-controller = &flexspi;
zephyr,flash = &is25wp128;
zephyr,code-partition = &slot0_partition;
zephyr,display = &lcdif;
};
sdram0: memory@80000000 {
@ -30,6 +35,53 @@
device_type = "memory";
reg = <0x80000000 DT_SIZE_M(64)>;
};
en_mipi_display: enable-mipi-display {
compatible = "regulator-fixed-sync", "regulator-fixed";
label = "en_mipi_display";
regulator-name = "en_mipi_display";
enable-gpios = <&gpio11 16 GPIO_ACTIVE_HIGH>;
regulator-boot-on;
};
};
&lcdif {
status = "okay";
width = <720>;
height = <1280>;
hsync = <8>;
hfp = <32>;
hbp = <32>;
vsync = <2>;
vfp = <16>;
vbp = <14>;
polarity = <3>;
pixel-format = "bgr-565";
data-buswidth = "24-bit";
backlight-gpios = <&gpio9 29 GPIO_ACTIVE_HIGH>;
};
&mipi_dsi {
status = "okay";
nxp,lcdif = <&lcdif>;
dpi-color-coding = "24-bit";
dpi-pixel-packet = "24-bit";
dpi-video-mode = "burst";
dpi-bllp-mode = "low-power";
autoinsert-eotp;
dphy-ref-frequency = <24000000>;
rm68200@0 {
status = "okay";
compatible = "raydium,rm68200";
reg = <0x0>;
label = "RM68200";
reset-gpios = <&gpio9 1 GPIO_ACTIVE_HIGH>;
data-lanes = <2>;
width = <720>;
height = <1280>;
pixel-format = <MIPI_DSI_PIXFMT_RGB565>;
};
};
&lpuart1 {