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drivers: UC81xx partial refresh profiles #48383

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Merged
merged 8 commits into from
Sep 2, 2022
Merged

drivers: UC81xx partial refresh profiles #48383

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3dc2a1e
drivers: uc81xx: Don't produce debug output while waiting
andysan Jul 17, 2022
f2a9858
drivers: uc81xx: Make busy wait implicit in most cases
andysan Jul 17, 2022
00c048b
drivers: uc81xx: Specify overrides in a DT child node
andysan Jul 17, 2022
a06063a
drivers: uc81xx: Add a separate partial refresh profile
andysan Jul 17, 2022
e5b2c21
drivers: uc81xx: Add support for overriding LUTs
andysan Jul 17, 2022
f5e2374
drivers: uc81xx: Make it possible to override PLL/VDCS
andysan Jul 17, 2022
2646e49
drivers: uc81xx: Add workaround for chips without autocopy
andysan Jul 17, 2022
b760948
shields: Add a GDEW042T2 with fast partial refresh
andysan Jul 17, 2022
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2 changes: 1 addition & 1 deletion boards/shields/waveshare_epaper/Kconfig.defconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
# SPDX-License-Identifier: Apache-2.0
#

if SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07 || SHIELD_WAVESHARE_EPAPER_GDEW042T2
if SHIELD_WAVESHARE_EPAPER_GDEH029A1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B1 || SHIELD_WAVESHARE_EPAPER_GDEH0213B72 || SHIELD_WAVESHARE_EPAPER_GDEW075T7 || SHIELD_WAVESHARE_EPAPER_GDEH0154A07 || SHIELD_WAVESHARE_EPAPER_GDEW042T2 || SHIELD_WAVESHARE_EPAPER_GDEW042T2_P


if DISPLAY
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3 changes: 3 additions & 0 deletions boards/shields/waveshare_epaper/Kconfig.shield
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Expand Up @@ -18,3 +18,6 @@ config SHIELD_WAVESHARE_EPAPER_GDEH0154A07

config SHIELD_WAVESHARE_EPAPER_GDEW042T2
def_bool $(shields_list_contains,waveshare_epaper_gdew042t2)

config SHIELD_WAVESHARE_EPAPER_GDEW042T2_P
def_bool $(shields_list_contains,waveshare_epaper_gdew042t2-p)
2 changes: 1 addition & 1 deletion boards/shields/waveshare_epaper/doc/index.rst
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Expand Up @@ -63,7 +63,7 @@ Current supported displays
| GDEH0154D67 | | ssd16xx | |
+--------------+-----------------+--------------+------------------------------+
| Good Display | WFT0420CZ15 | UC8176 / | waveshare_epaper_gdew042t2 |
| GDEW042T2 | | gd7965 | |
| GDEW042T2 | | gd7965 | waveshare_epaper_gdew042t2-p |
+--------------+-----------------+--------------+------------------------------+


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94 changes: 94 additions & 0 deletions boards/shields/waveshare_epaper/waveshare_epaper_gdew042t2-p.overlay
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Original file line number Diff line number Diff line change
@@ -0,0 +1,94 @@
/*
* Copyright (c) 2022 Andreas Sandberg
*
* SPDX-License-Identifier: Apache-2.0
*/

#include "waveshare_epaper_common.dtsi"

/ {
chosen {
zephyr,display = &uc8176;
};
};

&arduino_spi {
/*
* GoodDisplay GDEW042T2 with fast partial refresh. Based on
* configuration from GoodDisplay's Arduino example.
*/
uc8176: uc8176@0 {
compatible = "gooddisplay,gdew042t2", "ultrachip,uc8176";
spi-max-frequency = <4000000>;
reg = <0>;
width = <400>;
height = <300>;
dc-gpios = <&arduino_header 15 GPIO_ACTIVE_LOW>; /* D9 */
reset-gpios = <&arduino_header 14 GPIO_ACTIVE_LOW>; /* D8 */
busy-gpios = <&arduino_header 13 GPIO_ACTIVE_LOW>; /* D7 */

softstart = [ 17 17 17 ];

full {
cdi = <0x07>;
};

partial {
pwr = [ 03 02 2b 2b ];
cdi = <0x07>;
pll = <0x3c>;
vdcs = <0x08>;

lutc = [
00 01 0E 00 00 01
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00
];

lutww = [
00 01 0E 00 00 01
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
];

lutkw = [
20 01 0E 00 00 01
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
];

lutwk = [
10 01 0E 00 00 01
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
];

lutkk = [
00 01 0E 00 00 01
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
00 00 00 00 00 00
];
};
};
};
10 changes: 7 additions & 3 deletions boards/shields/waveshare_epaper/waveshare_epaper_gdew042t2.overlay
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Expand Up @@ -21,9 +21,13 @@
dc-gpios = <&arduino_header 15 GPIO_ACTIVE_LOW>; /* D9 */
reset-gpios = <&arduino_header 14 GPIO_ACTIVE_LOW>; /* D8 */
busy-gpios = <&arduino_header 13 GPIO_ACTIVE_LOW>; /* D7 */
pwr = [03 00 26 26 09];

softstart = [17 17 17];
cdi = <0xd7>;
tcon = <0x22>;

full {
pwr = [03 00 26 26 09];
cdi = <0xd7>;
tcon = <0x22>;
};
};
};
10 changes: 7 additions & 3 deletions boards/shields/waveshare_epaper/waveshare_epaper_gdew075t7.overlay
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Original file line number Diff line number Diff line change
Expand Up @@ -22,9 +22,13 @@
dc-gpios = <&arduino_header 15 GPIO_ACTIVE_LOW>; /* D9 */
reset-gpios = <&arduino_header 14 GPIO_ACTIVE_LOW>; /* D8 */
busy-gpios = <&arduino_header 13 GPIO_ACTIVE_LOW>; /* D7 */
pwr = [07 07 3f 3f];

softstart = [17 17 17 17];
cdi = <07>;
tcon = <0x22>;

full {
pwr = [07 07 3f 3f];
cdi = <07>;
tcon = <0x22>;
};
};
};
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