Enable community modules to define LED matrix and RGB matrix effects. (#25187)

Co-authored-by: Joel Challis <git@zvecr.com>

7 files changed, 104 insertions, 0 deletions

diff --git a/keyboards/handwired/onekey/info.json b/keyboards/handwired/onekey/info.json
index 7b6b7ddab8..d5f650f1bd 100644
--- a/keyboards/handwired/onekey/info.json
+++ b/keyboards/handwired/onekey/info.json
@@ -26,5 +26,17 @@
                 {"x": 0, "y": 0, "matrix": [0, 0]}
             ]
         }
+    },
+    "led_matrix": {
+        "driver": "snled27351",
+        "layout": [
+            {"matrix": [0, 0], "x": 0, "y": 0, "flags": 1}
+        ]
+    },
+    "rgb_matrix": {
+        "driver": "snled27351",
+        "layout": [
+            {"matrix": [0, 0], "x": 0, "y": 0, "flags": 1}
+        ]
     }
 }
diff --git a/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/config.h b/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/config.h
new file mode 100644
index 0000000000..aed1e4ac6f
--- /dev/null
+++ b/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/config.h
@@ -0,0 +1,16 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#pragma once
+
+#define SNLED27351_I2C_ADDRESS_1 SNLED27351_I2C_ADDRESS_GND
diff --git a/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/keymap.c b/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/keymap.c
new file mode 100644
index 0000000000..0bd835ff25
--- /dev/null
+++ b/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/keymap.c
@@ -0,0 +1,27 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// This keymap serves as a test for modules/qmk/flow_led_matrix_effect.
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {LAYOUT_ortho_1x1(LM_TOGG)};
+
+const snled27351_led_t PROGMEM g_snled27351_leds[LED_MATRIX_LED_COUNT] = {
+    {0, CB6_CA1},
+};
+
+void keyboard_post_init_user(void) {
+    led_matrix_mode_noeeprom(LED_MATRIX_COMMUNITY_MODULE_FLOW);
+}
diff --git a/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/keymap.json b/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/keymap.json
new file mode 100644
index 0000000000..0ff6bf5a4d
--- /dev/null
+++ b/keyboards/handwired/onekey/keymaps/cm_flow_led_matrix_effect/keymap.json
@@ -0,0 +1,3 @@
+{
+    "modules": ["qmk/flow_led_matrix_effect"]
+}
diff --git a/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/config.h b/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/config.h
new file mode 100644
index 0000000000..aed1e4ac6f
--- /dev/null
+++ b/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/config.h
@@ -0,0 +1,16 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#pragma once
+
+#define SNLED27351_I2C_ADDRESS_1 SNLED27351_I2C_ADDRESS_GND
diff --git a/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/keymap.c b/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/keymap.c
new file mode 100644
index 0000000000..72ef2d3f80
--- /dev/null
+++ b/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/keymap.c
@@ -0,0 +1,27 @@
+// Copyright 2025 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// This keymap serves as a test for modules/qmk/flow_rgb_matrix_effect.
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {LAYOUT_ortho_1x1(RM_TOGG)};
+
+const snled27351_led_t PROGMEM g_snled27351_leds[LED_MATRIX_LED_COUNT] = {
+    {0, CB6_CA1},
+};
+
+void keyboard_post_init_user(void) {
+    rgb_matrix_mode_noeeprom(RGB_MATRIX_COMMUNITY_MODULE_FLOW);
+}
diff --git a/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/keymap.json b/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/keymap.json
new file mode 100644
index 0000000000..56d2342867
--- /dev/null
+++ b/keyboards/handwired/onekey/keymaps/cm_flow_rgb_matrix_effect/keymap.json
@@ -0,0 +1,3 @@
+{
+    "modules": ["qmk/flow_rgb_matrix_effect"]
+}