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authorRyan <[email protected]>2024-03-17 19:23:14 +1100
committerGitHub <[email protected]>2024-03-17 19:23:14 +1100
commit23b7a02ebe2e6df738baa624c17e821c1573b69b (patch)
treef3a018b904ade9f3b2af2fe6e8f5ea52af90ea85
parent47dc471bd45dc5428638fa40f95b0a3560cc09e4 (diff)
downloadqmk_firmware-23b7a02ebe2e6df738baa624c17e821c1573b69b.tar.gz
qmk_firmware-23b7a02ebe2e6df738baa624c17e821c1573b69b.zip
LED drivers: add support for IS31FL3236 (#23264)
-rw-r--r--builddefs/common_features.mk16
-rw-r--r--data/schemas/keyboard.jsonschema2
-rw-r--r--docs/reference_info_json.md2
-rw-r--r--drivers/led/issi/is31fl3236-mono.c168
-rw-r--r--drivers/led/issi/is31fl3236-mono.h101
-rw-r--r--drivers/led/issi/is31fl3236.c172
-rw-r--r--drivers/led/issi/is31fl3236.h103
-rw-r--r--quantum/led_matrix/led_matrix_drivers.c8
-rw-r--r--quantum/led_matrix/led_matrix_drivers.h2
-rw-r--r--quantum/rgb_matrix/rgb_matrix_drivers.c8
-rw-r--r--quantum/rgb_matrix/rgb_matrix_drivers.h2
11 files changed, 581 insertions, 3 deletions
diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk
index 7227a5558e..49197dc91e 100644
--- a/builddefs/common_features.mk
+++ b/builddefs/common_features.mk
@@ -340,7 +340,7 @@ LED_MATRIX_DRIVER := snled27351
endif
LED_MATRIX_ENABLE ?= no
-VALID_LED_MATRIX_TYPES := is31fl3218 is31fl3729 is31fl3731 is31fl3733 is31fl3736 is31fl3737 is31fl3741 is31fl3742a is31fl3743a is31fl3745 is31fl3746a snled27351 custom
+VALID_LED_MATRIX_TYPES := is31fl3218 is31fl3236 is31fl3729 is31fl3731 is31fl3733 is31fl3736 is31fl3737 is31fl3741 is31fl3742a is31fl3743a is31fl3745 is31fl3746a snled27351 custom
ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
ifeq ($(filter $(LED_MATRIX_DRIVER),$(VALID_LED_MATRIX_TYPES)),)
@@ -365,6 +365,12 @@ ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
SRC += is31fl3218-mono.c
endif
+ ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3236)
+ I2C_DRIVER_REQUIRED = yes
+ COMMON_VPATH += $(DRIVER_PATH)/led/issi
+ SRC += is31fl3236-mono.c
+ endif
+
ifeq ($(strip $(LED_MATRIX_DRIVER)), is31fl3729)
I2C_DRIVER_REQUIRED = yes
COMMON_VPATH += $(DRIVER_PATH)/led/issi
@@ -443,7 +449,7 @@ endif
RGB_MATRIX_ENABLE ?= no
-VALID_RGB_MATRIX_TYPES := aw20216s is31fl3218 is31fl3729 is31fl3731 is31fl3733 is31fl3736 is31fl3737 is31fl3741 is31fl3742a is31fl3743a is31fl3745 is31fl3746a snled27351 ws2812 custom
+VALID_RGB_MATRIX_TYPES := aw20216s is31fl3218 is31fl3236 is31fl3729 is31fl3731 is31fl3733 is31fl3736 is31fl3737 is31fl3741 is31fl3742a is31fl3743a is31fl3745 is31fl3746a snled27351 ws2812 custom
ifeq ($(strip $(RGB_MATRIX_ENABLE)), yes)
ifeq ($(filter $(RGB_MATRIX_DRIVER),$(VALID_RGB_MATRIX_TYPES)),)
$(call CATASTROPHIC_ERROR,Invalid RGB_MATRIX_DRIVER,RGB_MATRIX_DRIVER="$(RGB_MATRIX_DRIVER)" is not a valid matrix type)
@@ -474,6 +480,12 @@ ifeq ($(strip $(RGB_MATRIX_ENABLE)), yes)
SRC += is31fl3218.c
endif
+ ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3236)
+ I2C_DRIVER_REQUIRED = yes
+ COMMON_VPATH += $(DRIVER_PATH)/led/issi
+ SRC += is31fl3236.c
+ endif
+
ifeq ($(strip $(RGB_MATRIX_DRIVER)), is31fl3729)
I2C_DRIVER_REQUIRED = yes
COMMON_VPATH += $(DRIVER_PATH)/led/issi
diff --git a/data/schemas/keyboard.jsonschema b/data/schemas/keyboard.jsonschema
index 5c6788913b..25aaabcf4a 100644
--- a/data/schemas/keyboard.jsonschema
+++ b/data/schemas/keyboard.jsonschema
@@ -453,6 +453,7 @@
"enum": [
"custom",
"is31fl3218",
+ "is31fl3236",
"is31fl3729",
"is31fl3731",
"is31fl3733",
@@ -535,6 +536,7 @@
"aw20216s",
"custom",
"is31fl3218",
+ "is31fl3236",
"is31fl3729",
"is31fl3731",
"is31fl3733",
diff --git a/docs/reference_info_json.md b/docs/reference_info_json.md
index b715c14041..e6bc34e79e 100644
--- a/docs/reference_info_json.md
+++ b/docs/reference_info_json.md
@@ -640,7 +640,7 @@ Configures the [RGB Matrix](feature_rgb_matrix.md) feature.
* The default animation speed.
* Default: `128`
* `driver` (Required)
- * The driver to use. Must be one of `aw20216s`, `custom`, `is31fl3218`, `is31fl3729`, `is31fl3731`, `is31fl3733`, `is31fl3736`, `is31fl3737`, `is31fl3741`, `is31fl3742a`, `is31fl3743a`, `is31fl3745`, `is31fl3746a`, `snled27351`, `ws2812`.
+ * The driver to use. Must be one of `aw20216s`, `custom`, `is31fl3218`, `is31fl3236`, `is31fl3729`, `is31fl3731`, `is31fl3733`, `is31fl3736`, `is31fl3737`, `is31fl3741`, `is31fl3742a`, `is31fl3743a`, `is31fl3745`, `is31fl3746a`, `snled27351`, `ws2812`.
* `hue_steps`
* The number of hue adjustment steps.
* Default: `8`
diff --git a/drivers/led/issi/is31fl3236-mono.c b/drivers/led/issi/is31fl3236-mono.c
new file mode 100644
index 0000000000..b80245a1dc
--- /dev/null
+++ b/drivers/led/issi/is31fl3236-mono.c
@@ -0,0 +1,168 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "is31fl3236-mono.h"
+#include "i2c_master.h"
+#include "gpio.h"
+
+#define IS31FL3236_PWM_REGISTER_COUNT 36
+#define IS31FL3236_LED_CONTROL_REGISTER_COUNT 36
+
+#ifndef IS31FL3236_I2C_TIMEOUT
+# define IS31FL3236_I2C_TIMEOUT 100
+#endif
+
+#ifndef IS31FL3236_I2C_PERSISTENCE
+# define IS31FL3236_I2C_PERSISTENCE 0
+#endif
+
+#ifndef IS31FL3236_PWM_FREQUENCY
+# define IS31FL3236_PWM_FREQUENCY IS31FL3236_PWM_FREQUENCY_3K_HZ // OFS - IS31FL3236A only
+#endif
+
+const uint8_t i2c_addresses[IS31FL3236_DRIVER_COUNT] = {
+ IS31FL3236_I2C_ADDRESS_1,
+#ifdef IS31FL3236_I2C_ADDRESS_2
+ IS31FL3236_I2C_ADDRESS_2,
+# ifdef IS31FL3236_I2C_ADDRESS_3
+ IS31FL3236_I2C_ADDRESS_3,
+# ifdef IS31FL3236_I2C_ADDRESS_4
+ IS31FL3236_I2C_ADDRESS_4,
+# endif
+# endif
+#endif
+};
+
+typedef struct is31fl3236_driver_t {
+ uint8_t pwm_buffer[IS31FL3236_PWM_REGISTER_COUNT];
+ bool pwm_buffer_dirty;
+ uint8_t led_control_buffer[IS31FL3236_LED_CONTROL_REGISTER_COUNT];
+ bool led_control_buffer_dirty;
+} PACKED is31fl3236_driver_t;
+
+is31fl3236_driver_t driver_buffers[IS31FL3236_DRIVER_COUNT] = {{
+ .pwm_buffer = {0},
+ .pwm_buffer_dirty = false,
+ .led_control_buffer = {0},
+ .led_control_buffer_dirty = false,
+}};
+
+void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data) {
+#if IS31FL3236_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) {
+ if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ }
+#else
+ i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3236_write_pwm_buffer(uint8_t index) {
+#if IS31FL3236_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) {
+ if (i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ }
+#else
+ i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3236_init_drivers(void) {
+ i2c_init();
+
+#if defined(IS31FL3236_SDB_PIN)
+ gpio_set_pin_output(IS31FL3236_SDB_PIN);
+ gpio_write_pin_high(IS31FL3236_SDB_PIN);
+#endif
+
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_init(i);
+ }
+
+ for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) {
+ is31fl3236_set_led_control_register(i, true);
+ }
+
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_update_led_control_registers(i);
+ }
+}
+
+void is31fl3236_init(uint8_t index) {
+ // In case we ever want to reinitialize (?)
+ is31fl3236_write_register(index, IS31FL3236_REG_RESET, 0x00);
+
+ // Turn off software shutdown
+ is31fl3236_write_register(index, IS31FL3236_REG_SHUTDOWN, 0x01);
+
+ // Set all PWM values to zero
+ for (uint8_t i = 0; i < IS31FL3236_PWM_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_PWM + i, 0x00);
+ }
+
+ // turn off all LEDs in the LED control register
+ for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, 0x00);
+ }
+
+ // Set PWM frequency (IS31FL3236A)
+ is31fl3236_write_register(index, IS31FL3236_REG_PWM_FREQUENCY, IS31FL3236_PWM_FREQUENCY);
+
+ // Load PWM registers and LED Control register data
+ is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01);
+}
+
+void is31fl3236_set_value(int index, uint8_t value) {
+ is31fl3236_led_t led;
+
+ if (index < IS31FL3236_LED_COUNT) {
+ memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led));
+
+ if (driver_buffers[led.driver].pwm_buffer[led.v] == value) {
+ return;
+ }
+
+ driver_buffers[led.driver].pwm_buffer[led.v] = value;
+ driver_buffers[led.driver].pwm_buffer_dirty = true;
+ }
+}
+
+void is31fl3236_set_value_all(uint8_t value) {
+ for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) {
+ is31fl3236_set_value(i, value);
+ }
+}
+
+void is31fl3236_set_led_control_register(uint8_t index, bool value) {
+ is31fl3236_led_t led;
+ memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led));
+
+ driver_buffers[led.driver].led_control_buffer[led.v] = value ? 0x01 : 0x00;
+ driver_buffers[led.driver].led_control_buffer_dirty = true;
+}
+
+void is31fl3236_update_pwm_buffers(uint8_t index) {
+ if (driver_buffers[index].pwm_buffer_dirty) {
+ is31fl3236_write_pwm_buffer(index);
+ // Load PWM registers and LED Control register data
+ is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01);
+
+ driver_buffers[index].pwm_buffer_dirty = false;
+ }
+}
+
+void is31fl3236_update_led_control_registers(uint8_t index) {
+ if (driver_buffers[index].led_control_buffer_dirty) {
+ for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, driver_buffers[index].led_control_buffer[i]);
+ }
+
+ driver_buffers[index].led_control_buffer_dirty = false;
+ }
+}
+
+void is31fl3236_flush(void) {
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_update_pwm_buffers(i);
+ }
+}
diff --git a/drivers/led/issi/is31fl3236-mono.h b/drivers/led/issi/is31fl3236-mono.h
new file mode 100644
index 0000000000..90735bb1aa
--- /dev/null
+++ b/drivers/led/issi/is31fl3236-mono.h
@@ -0,0 +1,101 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "progmem.h"
+#include "util.h"
+
+#define IS31FL3236_REG_SHUTDOWN 0x00
+#define IS31FL3236_REG_PWM 0x01
+#define IS31FL3236_REG_UPDATE 0x25
+#define IS31FL3236_REG_LED_CONTROL 0x26
+#define IS31FL3236_REG_GLOBAL_CONTROL 0x4A
+#define IS31FL3236_REG_PWM_FREQUENCY 0x4B
+#define IS31FL3236_REG_RESET 0x4F
+
+#define IS31FL3236_I2C_ADDRESS_GND 0x3C
+#define IS31FL3236_I2C_ADDRESS_SCL 0x3D
+#define IS31FL3236_I2C_ADDRESS_SDA 0x3E
+#define IS31FL3236_I2C_ADDRESS_VCC 0x3F
+
+#if defined(LED_MATRIX_IS31FL3236)
+# define IS31FL3236_LED_COUNT LED_MATRIX_LED_COUNT
+#endif
+
+#if defined(IS31FL3236_I2C_ADDRESS_4)
+# define IS31FL3236_DRIVER_COUNT 4
+#elif defined(IS31FL3236_I2C_ADDRESS_3)
+# define IS31FL3236_DRIVER_COUNT 3
+#elif defined(IS31FL3236_I2C_ADDRESS_2)
+# define IS31FL3236_DRIVER_COUNT 2
+#elif defined(IS31FL3236_I2C_ADDRESS_1)
+# define IS31FL3236_DRIVER_COUNT 1
+#endif
+
+typedef struct is31fl3236_led_t {
+ uint8_t driver : 2;
+ uint8_t v;
+} PACKED is31fl3236_led_t;
+
+extern const is31fl3236_led_t PROGMEM g_is31fl3236_leds[IS31FL3236_LED_COUNT];
+
+void is31fl3236_init_drivers(void);
+
+void is31fl3236_init(uint8_t index);
+
+void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data);
+
+void is31fl3236_set_value(int index, uint8_t value);
+
+void is31fl3236_set_value_all(uint8_t value);
+
+void is31fl3236_set_led_control_register(uint8_t index, bool value);
+
+void is31fl3236_update_pwm_buffers(uint8_t index);
+
+void is31fl3236_update_led_control_registers(uint8_t index);
+
+void is31fl3236_flush(void);
+
+#define IS31FL3236_PWM_FREQUENCY_3K_HZ 0b0
+#define IS31FL3236_PWM_FREQUENCY_22K_HZ 0b1
+
+#define OUT1 0x00
+#define OUT2 0x01
+#define OUT3 0x02
+#define OUT4 0x03
+#define OUT5 0x04
+#define OUT6 0x05
+#define OUT7 0x06
+#define OUT8 0x07
+#define OUT9 0x08
+#define OUT10 0x09
+#define OUT11 0x0A
+#define OUT12 0x0B
+#define OUT13 0x0C
+#define OUT14 0x0D
+#define OUT15 0x0E
+#define OUT16 0x0F
+#define OUT17 0x10
+#define OUT18 0x11
+#define OUT19 0x12
+#define OUT20 0x13
+#define OUT21 0x14
+#define OUT22 0x15
+#define OUT23 0x16
+#define OUT24 0x17
+#define OUT25 0x18
+#define OUT26 0x19
+#define OUT27 0x1A
+#define OUT28 0x1B
+#define OUT29 0x1C
+#define OUT30 0x1D
+#define OUT31 0x1E
+#define OUT32 0x1F
+#define OUT33 0x20
+#define OUT34 0x21
+#define OUT35 0x22
+#define OUT36 0x23
diff --git a/drivers/led/issi/is31fl3236.c b/drivers/led/issi/is31fl3236.c
new file mode 100644
index 0000000000..b8aa9c34b1
--- /dev/null
+++ b/drivers/led/issi/is31fl3236.c
@@ -0,0 +1,172 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "is31fl3236.h"
+#include "i2c_master.h"
+#include "gpio.h"
+
+#define IS31FL3236_PWM_REGISTER_COUNT 36
+#define IS31FL3236_LED_CONTROL_REGISTER_COUNT 36
+
+#ifndef IS31FL3236_I2C_TIMEOUT
+# define IS31FL3236_I2C_TIMEOUT 100
+#endif
+
+#ifndef IS31FL3236_I2C_PERSISTENCE
+# define IS31FL3236_I2C_PERSISTENCE 0
+#endif
+
+#ifndef IS31FL3236_PWM_FREQUENCY
+# define IS31FL3236_PWM_FREQUENCY IS31FL3236_PWM_FREQUENCY_3K_HZ // OFS - IS31FL3236A only
+#endif
+
+const uint8_t i2c_addresses[IS31FL3236_DRIVER_COUNT] = {
+ IS31FL3236_I2C_ADDRESS_1,
+#ifdef IS31FL3236_I2C_ADDRESS_2
+ IS31FL3236_I2C_ADDRESS_2,
+# ifdef IS31FL3236_I2C_ADDRESS_3
+ IS31FL3236_I2C_ADDRESS_3,
+# ifdef IS31FL3236_I2C_ADDRESS_4
+ IS31FL3236_I2C_ADDRESS_4,
+# endif
+# endif
+#endif
+};
+
+typedef struct is31fl3236_driver_t {
+ uint8_t pwm_buffer[IS31FL3236_PWM_REGISTER_COUNT];
+ bool pwm_buffer_dirty;
+ uint8_t led_control_buffer[IS31FL3236_LED_CONTROL_REGISTER_COUNT];
+ bool led_control_buffer_dirty;
+} PACKED is31fl3236_driver_t;
+
+is31fl3236_driver_t driver_buffers[IS31FL3236_DRIVER_COUNT] = {{
+ .pwm_buffer = {0},
+ .pwm_buffer_dirty = false,
+ .led_control_buffer = {0},
+ .led_control_buffer_dirty = false,
+}};
+
+void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data) {
+#if IS31FL3236_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) {
+ if (i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ }
+#else
+ i2c_write_register(i2c_addresses[index] << 1, reg, &data, 1, IS31FL3236_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3236_write_pwm_buffer(uint8_t index) {
+#if IS31FL3236_I2C_PERSISTENCE > 0
+ for (uint8_t i = 0; i < IS31FL3236_I2C_PERSISTENCE; i++) {
+ if (i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
+ }
+#else
+ i2c_write_register(i2c_addresses[index] << 1, IS31FL3236_REG_PWM, driver_buffers[index].pwm_buffer, 36, IS31FL3236_I2C_TIMEOUT);
+#endif
+}
+
+void is31fl3236_init_drivers(void) {
+ i2c_init();
+
+#if defined(IS31FL3236_SDB_PIN)
+ gpio_set_pin_output(IS31FL3236_SDB_PIN);
+ gpio_write_pin_high(IS31FL3236_SDB_PIN);
+#endif
+
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_init(i);
+ }
+
+ for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) {
+ is31fl3236_set_led_control_register(i, true, true, true);
+ }
+
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_update_led_control_registers(i);
+ }
+}
+
+void is31fl3236_init(uint8_t index) {
+ // In case we ever want to reinitialize (?)
+ is31fl3236_write_register(index, IS31FL3236_REG_RESET, 0x00);
+
+ // Turn off software shutdown
+ is31fl3236_write_register(index, IS31FL3236_REG_SHUTDOWN, 0x01);
+
+ // Set all PWM values to zero
+ for (uint8_t i = 0; i < IS31FL3236_PWM_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_PWM + i, 0x00);
+ }
+
+ // turn off all LEDs in the LED control register
+ for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, 0x00);
+ }
+
+ // Set PWM frequency (IS31FL3236A)
+ is31fl3236_write_register(index, IS31FL3236_REG_PWM_FREQUENCY, IS31FL3236_PWM_FREQUENCY);
+
+ // Load PWM registers and LED Control register data
+ is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01);
+}
+
+void is31fl3236_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
+ is31fl3236_led_t led;
+
+ if (index < IS31FL3236_LED_COUNT) {
+ memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led));
+
+ if (driver_buffers[led.driver].pwm_buffer[led.r] == red && driver_buffers[led.driver].pwm_buffer[led.g] == green && driver_buffers[led.driver].pwm_buffer[led.b] == blue) {
+ return;
+ }
+
+ driver_buffers[led.driver].pwm_buffer[led.r] = red;
+ driver_buffers[led.driver].pwm_buffer[led.g] = green;
+ driver_buffers[led.driver].pwm_buffer[led.b] = blue;
+ driver_buffers[led.driver].pwm_buffer_dirty = true;
+ }
+}
+
+void is31fl3236_set_color_all(uint8_t red, uint8_t green, uint8_t blue) {
+ for (uint8_t i = 0; i < IS31FL3236_LED_COUNT; i++) {
+ is31fl3236_set_color(i, red, green, blue);
+ }
+}
+
+void is31fl3236_set_led_control_register(uint8_t index, bool red, bool green, bool blue) {
+ is31fl3236_led_t led;
+ memcpy_P(&led, (&g_is31fl3236_leds[index]), sizeof(led));
+
+ driver_buffers[led.driver].led_control_buffer[led.r] = red ? 0x01 : 0x00;
+ driver_buffers[led.driver].led_control_buffer[led.g] = green ? 0x01 : 0x00;
+ driver_buffers[led.driver].led_control_buffer[led.b] = blue ? 0x01 : 0x00;
+ driver_buffers[led.driver].led_control_buffer_dirty = true;
+}
+
+void is31fl3236_update_pwm_buffers(uint8_t index) {
+ if (driver_buffers[index].pwm_buffer_dirty) {
+ is31fl3236_write_pwm_buffer(index);
+ // Load PWM registers and LED Control register data
+ is31fl3236_write_register(index, IS31FL3236_REG_UPDATE, 0x01);
+
+ driver_buffers[index].pwm_buffer_dirty = false;
+ }
+}
+
+void is31fl3236_update_led_control_registers(uint8_t index) {
+ if (driver_buffers[index].led_control_buffer_dirty) {
+ for (uint8_t i = 0; i < IS31FL3236_LED_CONTROL_REGISTER_COUNT; i++) {
+ is31fl3236_write_register(index, IS31FL3236_REG_LED_CONTROL + i, driver_buffers[index].led_control_buffer[i]);
+ }
+
+ driver_buffers[index].led_control_buffer_dirty = false;
+ }
+}
+
+void is31fl3236_flush(void) {
+ for (uint8_t i = 0; i < IS31FL3236_DRIVER_COUNT; i++) {
+ is31fl3236_update_pwm_buffers(i);
+ }
+}
diff --git a/drivers/led/issi/is31fl3236.h b/drivers/led/issi/is31fl3236.h
new file mode 100644
index 0000000000..1e490796b2
--- /dev/null
+++ b/drivers/led/issi/is31fl3236.h
@@ -0,0 +1,103 @@
+// Copyright 2024 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "progmem.h"
+#include "util.h"
+
+#define IS31FL3236_REG_SHUTDOWN 0x00
+#define IS31FL3236_REG_PWM 0x01
+#define IS31FL3236_REG_UPDATE 0x25
+#define IS31FL3236_REG_LED_CONTROL 0x26
+#define IS31FL3236_REG_GLOBAL_CONTROL 0x4A
+#define IS31FL3236_REG_PWM_FREQUENCY 0x4B
+#define IS31FL3236_REG_RESET 0x4F
+
+#define IS31FL3236_I2C_ADDRESS_GND 0x3C
+#define IS31FL3236_I2C_ADDRESS_SCL 0x3D
+#define IS31FL3236_I2C_ADDRESS_SDA 0x3E
+#define IS31FL3236_I2C_ADDRESS_VCC 0x3F
+
+#if defined(RGB_MATRIX_IS31FL3236)
+# define IS31FL3236_LED_COUNT RGB_MATRIX_LED_COUNT
+#endif
+
+#if defined(IS31FL3236_I2C_ADDRESS_4)
+# define IS31FL3236_DRIVER_COUNT 4
+#elif defined(IS31FL3236_I2C_ADDRESS_3)
+# define IS31FL3236_DRIVER_COUNT 3
+#elif defined(IS31FL3236_I2C_ADDRESS_2)
+# define IS31FL3236_DRIVER_COUNT 2
+#elif defined(IS31FL3236_I2C_ADDRESS_1)
+# define IS31FL3236_DRIVER_COUNT 1
+#endif
+
+typedef struct is31fl3236_led_t {
+ uint8_t driver : 2;
+ uint8_t r;
+ uint8_t g;
+ uint8_t b;
+} PACKED is31fl3236_led_t;
+
+extern const is31fl3236_led_t PROGMEM g_is31fl3236_leds[IS31FL3236_LED_COUNT];
+
+void is31fl3236_init_drivers(void);
+
+void is31fl3236_init(uint8_t index);
+
+void is31fl3236_write_register(uint8_t index, uint8_t reg, uint8_t data);
+
+void is31fl3236_set_color(int index, uint8_t red, uint8_t green, uint8_t blue);
+
+void is31fl3236_set_color_all(uint8_t red, uint8_t green, uint8_t blue);
+
+void is31fl3236_set_led_control_register(uint8_t index, bool red, bool green, bool blue);
+
+void is31fl3236_update_pwm_buffers(uint8_t index);
+
+void is31fl3236_update_led_control_registers(uint8_t index);
+
+void is31fl3236_flush(void);
+
+#define IS31FL3236_PWM_FREQUENCY_3K_HZ 0b0
+#define IS31FL3236_PWM_FREQUENCY_22K_HZ 0b1
+
+#define OUT1 0x00
+#define OUT2 0x01
+#define OUT3 0x02
+#define OUT4 0x03
+#define OUT5 0x04
+#define OUT6 0x05
+#define OUT7 0x06
+#define OUT8 0x07
+#define OUT9 0x08
+#define OUT10 0x09
+#define OUT11 0x0A
+#define OUT12 0x0B
+#define OUT13 0x0C
+#define OUT14 0x0D
+#define OUT15 0x0E
+#define OUT16 0x0F
+#define OUT17 0x10
+#define OUT18 0x11
+#define OUT19 0x12
+#define OUT20 0x13
+#define OUT21 0x14
+#define OUT22 0x15
+#define OUT23 0x16
+#define OUT24 0x17
+#define OUT25 0x18
+#define OUT26 0x19
+#define OUT27 0x1A
+#define OUT28 0x1B
+#define OUT29 0x1C
+#define OUT30 0x1D
+#define OUT31 0x1E
+#define OUT32 0x1F
+#define OUT33 0x20
+#define OUT34 0x21
+#define OUT35 0x22
+#define OUT36 0x23
diff --git a/quantum/led_matrix/led_matrix_drivers.c b/quantum/led_matrix/led_matrix_drivers.c
index 2e80bd0375..bd4852e939 100644
--- a/quantum/led_matrix/led_matrix_drivers.c
+++ b/quantum/led_matrix/led_matrix_drivers.c
@@ -33,6 +33,14 @@ const led_matrix_driver_t led_matrix_driver = {
.set_value_all = is31fl3218_set_value_all,
};
+#elif defined(LED_MATRIX_IS31FL3236)
+const led_matrix_driver_t led_matrix_driver = {
+ .init = is31fl3236_init_drivers,
+ .flush = is31fl3236_flush,
+ .set_value = is31fl3236_set_value,
+ .set_value_all = is31fl3236_set_value_all,
+};
+
#elif defined(LED_MATRIX_IS31FL3729)
const led_matrix_driver_t led_matrix_driver = {
.init = is31fl3729_init_drivers,
diff --git a/quantum/led_matrix/led_matrix_drivers.h b/quantum/led_matrix/led_matrix_drivers.h
index a961784a62..60354e4677 100644
--- a/quantum/led_matrix/led_matrix_drivers.h
+++ b/quantum/led_matrix/led_matrix_drivers.h
@@ -7,6 +7,8 @@
#if defined(LED_MATRIX_IS31FL3218)
# include "is31fl3218-mono.h"
+#elif defined(LED_MATRIX_IS31FL3236)
+# include "is31fl3236-mono.h"
#elif defined(LED_MATRIX_IS31FL3729)
# include "is31fl3729-mono.h"
#elif defined(LED_MATRIX_IS31FL3731)
diff --git a/quantum/rgb_matrix/rgb_matrix_drivers.c b/quantum/rgb_matrix/rgb_matrix_drivers.c
index 95d1e884f0..729dcdb439 100644
--- a/quantum/rgb_matrix/rgb_matrix_drivers.c
+++ b/quantum/rgb_matrix/rgb_matrix_drivers.c
@@ -36,6 +36,14 @@ const rgb_matrix_driver_t rgb_matrix_driver = {
.set_color_all = is31fl3218_set_color_all,
};
+#elif defined(RGB_MATRIX_IS31FL3236)
+const rgb_matrix_driver_t rgb_matrix_driver = {
+ .init = is31fl3236_init_drivers,
+ .flush = is31fl3236_flush,
+ .set_color = is31fl3236_set_color,
+ .set_color_all = is31fl3236_set_color_all,
+};
+
#elif defined(RGB_MATRIX_IS31FL3729)
const rgb_matrix_driver_t rgb_matrix_driver = {
.init = is31fl3729_init_drivers,
diff --git a/quantum/rgb_matrix/rgb_matrix_drivers.h b/quantum/rgb_matrix/rgb_matrix_drivers.h
index a24cb03a18..1ea5f0817d 100644
--- a/quantum/rgb_matrix/rgb_matrix_drivers.h
+++ b/quantum/rgb_matrix/rgb_matrix_drivers.h
@@ -7,6 +7,8 @@
#if defined(RGB_MATRIX_AW20216S)
# include "aw20216s.h"
+#elif defined(RGB_MATRIX_IS31FL3236)
+# include "is31fl3236.h"
#elif defined(RGB_MATRIX_IS31FL3218)
# include "is31fl3218.h"
#elif defined(RGB_MATRIX_IS31FL3729)