feat(core): Introdure driver for backlight_tps61062 + update prodtest with new control commands [no changelog]

core/embed/io/display/backlight_tps61062/backlight_tps61062.c

@@ -0,0 +1,321 @@
+/*
+ * This file is part of the Trezor project, https://trezor.io/
+ *
+ * Copyright (c) SatoshiLabs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <trezor_bsp.h>
+#include <trezor_rtl.h>
+#include <sys/irq.h>
+#include <sys/systick.h>
+#include <sys/systimer.h>
+
+#include "backlight_tps61062.h"
+
+#ifdef KERNEL_MODE
+
+#define BACKLIGHT_CONTROL_T_START_US  110  // may be in range 100-150
+#define BACKLIGHT_CONTROL_T_UP_US     30   // may be in range 1-75
+#define BACKLIGHT_CONTROL_T_DOWN_US   200  // may be in range 180-300
+#define BACKLIGHT_CONTROL_T_D_US      2
+#define BACKLIGHT_CONTROL_T_OFF_US    550
+#define BACKLIGHT_CONTROL_T_DS_US     50000
+
+
+// Backlight driver state
+typedef struct {
+  // Set if driver is initialized
+  bool initialized;
+  // Current backlight level in range 0-32
+  int current_level;
+  // Timer used for backlide fading
+  systimer_t *timer;
+  int fade_target;
+  int fade_step_ms;
+  bool fade_in_progress;
+} backlight_tps61062_driver_t;
+
+static backlight_tps61062_driver_t g_backlight_driver = {
+    .initialized = false,
+};
+
+static void backlight_control_up(int num_of_ctr_steps);
+static void backlight_control_down(int num_of_ctr_steps);
+static void backlight_shutdown();
+static void backlight_timer_callback(void *context);
+
+// Initialize the backlight driver
+//
+// If the action is set to `BACKLIGHT_RESET`, the backlight level
+// is set to zero level. If the action is set to `BACKLIGHT_RETAIN`,
+// the backlight level is not changed (if possible).
+void backlight_init(backlight_action_t action){
+
+backlight_tps61062_driver_t *drv = &g_backlight_driver;
+
+  if(drv->initialized){
+    return;
+  }
+
+  memset(drv, 0, sizeof(backlight_tps61062_driver_t));
+
+  BACKLIGHT_ILED_CLK_ENA();
+  BACKLIGHT_EN_CLK_ENA();
+
+  // Initialize ILED GPIO
+  GPIO_InitTypeDef GPIO_ILED_InitStructure = {0};
+  GPIO_ILED_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_ILED_InitStructure.Pull = GPIO_NOPULL;
+  GPIO_ILED_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_ILED_InitStructure.Pin = BACKLIGHT_ILED_PIN;
+  HAL_GPIO_Init(BACKLIGHT_ILED_PORT, &GPIO_ILED_InitStructure);
+
+  // Initialize EN GPIO
+  GPIO_InitTypeDef GPIO_EN_InitStructure = {0};
+  GPIO_EN_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_EN_InitStructure.Pull = GPIO_NOPULL;
+  GPIO_EN_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
+  GPIO_EN_InitStructure.Pin = BACKLIGHT_EN_PIN;
+  HAL_GPIO_Init(BACKLIGHT_EN_PORT, &GPIO_EN_InitStructure);
+
+  switch (action)
+  {
+  case BACKLIGHT_KEEP_OFF:
+
+    HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_RESET);
+    HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_RESET);
+    drv->current_level = 0;
+
+    break;
+
+  case BACKLIGHT_RESET:
+
+    HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_SET);
+    HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_SET);
+
+    systick_delay_us(BACKLIGHT_CONTROL_T_START_US);
+
+    drv->current_level = 16;
+
+    break;
+
+  default:
+    // Should not happen
+    break;
+  }
+
+  drv->initialized = true;
+
+}
+
+// Deinitialize the backlight driver
+//
+// If the action is set to `BACKLIGHT_RESET`, the backlight driver
+// is completely deinitialized. If the action is set to `BACKLIGHT_RETAIN`,
+// the driver is deinitialized as much as possible but the backlight
+// is kept on.
+void backlight_deinit(backlight_action_t action){
+
+  backlight_tps61062_driver_t *drv = &g_backlight_driver;
+
+  if(!drv->initialized){
+    return;
+  }
+
+  HAL_GPIO_DeInit(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN);
+  HAL_GPIO_DeInit(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN);
+
+  drv->initialized = false;
+
+}
+
+// Sets the backlight level in range 0-32 and returns the actual level set.
+//
+// If the level is outside the range, the function has no effect
+// and just returns the actual level set. If the backlight driver
+// is not initialized, the function returns 0.
+int backlight_set_level(int val){
+
+  backlight_tps61062_driver_t *drv = &g_backlight_driver;
+
+  if(!drv->initialized || (drv->current_level == val)){
+    return 0;
+  }
+
+  // Clip max value
+  if(val > 32){
+    val = 32;
+  }
+
+  if(drv->current_level == 0 && val != 0){
+
+    // if brightness controll is shutdown, start with initial pulse
+    HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_SET);
+    HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_SET);
+    systick_delay_us(BACKLIGHT_CONTROL_T_START_US);
+    drv->current_level = 16; // DAC go to midpoint after reset
+
+  }
+
+  int irq_key = irq_lock();
+
+  if(val == 0){
+
+    backlight_shutdown();
+
+  }else if(val > drv->current_level){
+
+    backlight_control_up(val-drv->current_level);
+
+  }else if(val < drv->current_level){
+
+    backlight_control_down(drv->current_level-val);
+
+  }
+
+  irq_unlock(irq_key);
+
+  drv->current_level = val;
+
+  return drv->current_level;
+
+}
+
+// Gets the backlight level in range 0-25/5
+//
+// Returns 0 if the backlight driver is not initialized.
+int backlight_get_level(void){
+  backlight_tps61062_driver_t *drv = &g_backlight_driver;
+  return drv->current_level;
+}
+
+// Fade backlight to desired value with in range 0-32 and selected speed
+//
+// if the value is outside the range, backlight fade to mix or max backlight setting
+// and stop
+void backlight_fade(int val, int step_ms){
+
+  backlight_tps61062_driver_t *drv = &g_backlight_driver;
+
+  if(!drv->initialized){
+    return;
+  }
+
+  drv->fade_in_progress = true;
+  drv->fade_target = val;
+  drv->fade_step_ms = step_ms;
+  drv->timer = systimer_create(backlight_timer_callback, drv);
+
+  systimer_set(drv->timer, drv->fade_step_ms);
+
+}
+
+bool backlight_fade_in_progress(){
+  backlight_tps61062_driver_t *drv = &g_backlight_driver;
+  return drv->fade_in_progress;
+}
+
+//void backlight_fade_abort();
+
+static void backlight_control_up(int num_of_ctr_steps){
+
+  for(int i = 0; i < num_of_ctr_steps; i++){
+
+    HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_SET);
+    HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_SET);
+    systick_delay_us(BACKLIGHT_CONTROL_T_D_US);
+
+    HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_RESET);
+    HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_RESET);
+    systick_delay_us(BACKLIGHT_CONTROL_T_UP_US);
+
+  }
+
+  HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_SET);
+  HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_SET);
+
+}
+
+static void backlight_control_down(int num_of_ctr_steps){
+
+  for(int i = 0; i < num_of_ctr_steps; i++){
+
+    HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_SET);
+    HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_SET);
+    systick_delay_us(BACKLIGHT_CONTROL_T_D_US);
+
+    HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_RESET);
+    HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_RESET);
+    systick_delay_us(BACKLIGHT_CONTROL_T_DOWN_US);
+
+  }
+
+  HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_SET);
+  HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_SET);
+
+}
+
+static void backlight_shutdown(){
+
+  HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_RESET);
+
+}
+
+static void backlight_timer_callback(void *context){
+
+  backlight_tps61062_driver_t *drv = (backlight_tps61062_driver_t *)context;
+
+  if(drv->current_level == 0 && drv->fade_target != 0){
+
+    // if brightness controll is shutdown, start with initial pulse
+    HAL_GPIO_WritePin(BACKLIGHT_EN_PORT, BACKLIGHT_EN_PIN, GPIO_PIN_SET);
+    HAL_GPIO_WritePin(BACKLIGHT_ILED_PORT, BACKLIGHT_ILED_PIN, GPIO_PIN_SET);
+    systick_delay_us(BACKLIGHT_CONTROL_T_START_US);
+
+    // DAC starts at zero and midpoint and controll down by 16 steps
+    backlight_control_down(15);
+    drv->current_level = 1;
+
+  } else if(drv->fade_target == 0 && drv->current_level == 1){
+
+    backlight_shutdown();
+    drv->current_level = 0;
+
+  } else if(drv->current_level < drv->fade_target){
+
+    backlight_control_up(1);
+    drv->current_level++;
+
+  } else if(drv->current_level > drv->fade_target){
+
+    backlight_control_down(1);
+    drv->current_level--;
+  }
+
+  if(drv->current_level == drv->fade_target){
+
+    drv->fade_in_progress = false;
+    systimer_delete(drv->timer);
+    return;
+  }
+
+  systimer_set(drv->timer, drv->fade_step_ms);
+
+}
+
+
+#endif

core/embed/io/display/backlight_tps61062/backlight_tps61062.h

@@ -0,0 +1,67 @@
+/*
+ * This file is part of the Trezor project, https://trezor.io/
+ *
+ * Copyright (c) SatoshiLabs
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TREZORHAL_BACKLIGHT_TPS61062_H
+#define TREZORHAL_BACKLIGHT_TPS61062_H
+
+// Action to be taken when initializing or
+// deinitializing the backlight driver
+typedef enum {
+  BACKLIGHT_KEEP_OFF,
+  BACKLIGHT_RESET,
+} backlight_action_t;
+
+// Initialize the backlight driver
+//
+// If the action is set to `BACKLIGHT_RESET`, the backlight level
+// is set to zero level. If the action is set to `BACKLIGHT_RETAIN`,
+// the backlight level is not changed (if possible).
+void backlight_init(backlight_action_t action);
+
+// Deinitialize the backlight driver
+//
+// If the action is set to `BACKLIGHT_RESET`, the backlight driver
+// is completely deinitialized. If the action is set to `BACKLIGHT_RETAIN`,
+// the driver is deinitialized as much as possible but the backlight
+// is kept on.
+void backlight_deinit(backlight_action_t action);
+
+// Sets the backlight level in range 0-32 and returns the actual level set.
+//
+// If the level is outside the range, the function has no effect
+// and just returns the actual level set. If the backlight driver
+// is not initialized, the function returns 0.
+int backlight_set_level(int val);
+
+// Gets the backlight level in range 0-255
+//
+// Returns 0 if the backlight driver is not initialized.
+int backlight_get_level(void);
+
+// Fade backlight to desired value with in range 0-32 and selected speed
+//
+// if the value is outside the range, backlight fade to mix or max backlight setting
+// and stop
+void backlight_fade(int val, int step_ms);
+
+bool backlight_fade_in_progress();
+
+
+
+#endif  // TREZORHAL_BACKLIGHT_TPS61062_H

core/embed/io/display/inc/io/display.h

@@ -88,6 +88,12 @@ int display_set_backlight(int level);
 // Gets current display level ranging from 0 (off)..255 (maximum).
 int display_get_backlight(void);
 
+// Fade display backlight to desired value.
+void display_fade_backlight(int val, int step_ms);
+
+bool display_fade_in_progress(void);
+
+
 // Sets the display orientation.
 //
 // May accept one of following values: 0, 90, 180, 270

core/embed/io/display/ltdc_dsi/display_driver.c

@@ -12,7 +12,7 @@
 #include <sys/systick.h>
 
 #ifdef USE_BACKLIGHT
-#include "../backlight/backlight_pwm.h"
+#include "../backlight_tps61062/backlight_tps61062.h"
 #endif
 
 #include "display_internal.h"
@@ -308,7 +308,7 @@ void display_init(display_content_mode_t mode) {
 #endif
 
 #ifdef USE_BACKLIGHT
-  backlight_pwm_init(BACKLIGHT_RESET);
+  backlight_init(BACKLIGHT_RESET);
 #endif
 
   uint32_t fb_addr = display_fb_init();
@@ -381,11 +381,11 @@ int display_set_backlight(int level) {
   }
 
 #ifdef USE_BACKLIGHT
-  if (level > backlight_pwm_get()) {
-    display_ensure_refreshed();
-  }
+  // if (level > backlight_pwm_get()) {
+  //   display_ensure_refreshed();
+  // }
 
-  return backlight_pwm_set(level);
+  return backlight_set_level(level);
 #else
   // Just emulation, not doing anything
   drv->backlight_level = level;
@@ -400,12 +400,37 @@ int display_get_backlight(void) {
     return 0;
   }
 #ifdef USE_BACKLIGHT
-  return backlight_pwm_get();
+  return backlight_get_level();
 #else
   return drv->backlight_level;
 #endif
 }
 
+#ifdef USE_BACKLIGHT
+
+void display_fade_backlight(int level, int step_ms) {
+  display_driver_t *drv = &g_display_driver;
+
+  if (!drv->initialized) {
+    return;
+  }
+
+  backlight_fade(level, step_ms);
+
+}
+
+bool display_fade_in_progress(void) {
+  display_driver_t *drv = &g_display_driver;
+
+  if (!drv->initialized) {
+    return false;
+  }
+
+  return backlight_fade_in_progress();
+}
+
+#endif
+
 int display_set_orientation(int angle) { return angle; }
 
 int display_get_orientation(void) { return 0; }

core/embed/models/T3W1/boards/trezor_t3w1_revA.h

@@ -23,16 +23,13 @@
 #define DISPLAY_PWREN_PORT GPIOE
 #define DISPLAY_PWREN_CLK_ENA __HAL_RCC_GPIOE_CLK_ENABLE
 
-#define BACKLIGHT_PWM_FREQ 1000
-#define BACKLIGHT_PWM_TIM TIM17
-#define BACKLIGHT_PWM_TIM_CLK_EN __HAL_RCC_TIM17_CLK_ENABLE
-#define BACKLIGHT_PWM_TIM_AF GPIO_AF14_TIM17
-#define BACKLIGHT_PWM_TIM_OCMODE TIM_OCMODE_PWM1
-#define BACKLIGHT_PWM_TIM_CHANNEL TIM_CHANNEL_1
-#define BACKLIGHT_PWM_TIM_CCR CCR1
-#define BACKLIGHT_PWM_PIN GPIO_PIN_9
-#define BACKLIGHT_PWM_PORT GPIOB
-#define BACKLIGHT_PWM_PORT_CLK_EN __HAL_RCC_GPIOB_CLK_ENABLE
+#define BACKLIGHT_ILED_PIN GPIO_PIN_3
+#define BACKLIGHT_ILED_PORT GPIOE
+#define BACKLIGHT_ILED_CLK_ENA __HAL_RCC_GPIOE_CLK_ENABLE
+
+#define BACKLIGHT_EN_PIN GPIO_PIN_9
+#define BACKLIGHT_EN_PORT GPIOB
+#define BACKLIGHT_EN_CLK_ENA __HAL_RCC_GPIOB_CLK_ENABLE
 
 #define NPM1300_I2C_INSTANCE 0
 

core/embed/models/T3W1/boards/trezor_t3w1_revA0.h

@@ -22,16 +22,13 @@
 #define DISPLAY_PWREN_PORT GPIOE
 #define DISPLAY_PWREN_CLK_ENA __HAL_RCC_GPIOE_CLK_ENABLE
 
-#define BACKLIGHT_PWM_FREQ 1000
-#define BACKLIGHT_PWM_TIM TIM17
-#define BACKLIGHT_PWM_TIM_CLK_EN __HAL_RCC_TIM17_CLK_ENABLE
-#define BACKLIGHT_PWM_TIM_AF GPIO_AF14_TIM17
-#define BACKLIGHT_PWM_TIM_OCMODE TIM_OCMODE_PWM1
-#define BACKLIGHT_PWM_TIM_CHANNEL TIM_CHANNEL_1
-#define BACKLIGHT_PWM_TIM_CCR CCR1
-#define BACKLIGHT_PWM_PIN GPIO_PIN_9
-#define BACKLIGHT_PWM_PORT GPIOB
-#define BACKLIGHT_PWM_PORT_CLK_EN __HAL_RCC_GPIOB_CLK_ENABLE
+#define BACKLIGHT_ILED_PIN GPIO_PIN_3
+#define BACKLIGHT_ILED_PORT GPIOE
+#define BACKLIGHT_ILED_CLK_ENA __HAL_RCC_GPIOE_CLK_ENABLE
+
+#define BACKLIGHT_EN_PIN GPIO_PIN_9
+#define BACKLIGHT_EN_PORT GPIOB
+#define BACKLIGHT_EN_CLK_ENA __HAL_RCC_GPIOB_CLK_ENABLE
 
 #define NPM1300_I2C_INSTANCE 0
 

core/embed/projects/prodtest/main.c

@@ -246,33 +246,48 @@ static void test_border(void) {
 }
 
 static void test_display(const char *colors) {
-  gfx_clear();
 
-  size_t l = strlen(colors);
-  size_t w = DISPLAY_RESX / l;
+  if(strncmp(colors, "TEXT", 4) == 0){
 
-  for (size_t i = 0; i < l; i++) {
-    gfx_color_t c = COLOR_BLACK;  // black
-    switch (colors[i]) {
-      case 'R':
-        c = gfx_color_rgb(255, 0, 0);
-        break;
-      case 'G':
-        c = gfx_color_rgb(0, 255, 0);
-        break;
-      case 'B':
-        c = gfx_color_rgb(0, 0, 255);
-        break;
-      case 'W':
-        c = COLOR_WHITE;
-        break;
-    }
+    gfx_clear();
+    gfx_offset_t pos = gfx_offset(DISPLAY_RESX / 2, DISPLAY_RESY / 2);
+    gfx_draw_text(pos, "Example TEXT", -1, &bold, GFX_ALIGN_CENTER);
+    display_refresh();
+
+    vcp_println("OK");
+    return;
+  }else{
+
+    gfx_clear();
+
+    size_t l = strlen(colors);
+    size_t w = DISPLAY_RESX / l;
+
+    for (size_t i = 0; i < l; i++) {
+      gfx_color_t c = COLOR_BLACK;  // black
+      switch (colors[i]) {
+        case 'R':
+          c = gfx_color_rgb(255, 0, 0);
+          break;
+        case 'G':
+          c = gfx_color_rgb(0, 255, 0);
+          break;
+        case 'B':
+          c = gfx_color_rgb(0, 0, 255);
+          break;
+        case 'W':
+          c = COLOR_WHITE;
+          break;
+      }
 
     gfx_rect_t r = gfx_rect_wh(i * w, 0, i * w + w, DISPLAY_RESY);
     gfx_draw_bar(r, c);
-  }
+    }
   display_refresh();
   vcp_println("OK");
+
+  }
+
 }
 
 #ifdef USE_BUTTON
@@ -600,12 +615,37 @@ static void touch_version(void) {
 }
 #endif
 
-static void test_pwm(const char *args) {
-  int v = atoi(args);
+static void test_bl(const char *args) {
+
+  if (strncmp(args, "SET", 3) == 0) {
+
+    int v = atoi(&args[3]);
+
+    display_set_backlight(v);
+    display_refresh();
+    vcp_println("OK");
+
+  } else if (strncmp(args, "FADE", 4) == 0) {
+
+    int step_ms = atoi(&args[4]);
+
+    for(int i = 0; i < 3; i++){
+
+      display_fade_backlight(0, step_ms);
+
+      while(display_fade_in_progress());
+
+      display_fade_backlight(32, step_ms);
+
+      while(display_fade_in_progress());
+
+    }
+
+    display_refresh();
+    vcp_println("OK");
+
+  }
 
-  display_set_backlight(v);
-  display_refresh();
-  vcp_println("OK");
 }
 
 #ifdef USE_SD_CARD
@@ -1202,8 +1242,8 @@ int main(void) {
       test_sensitivity(line + 5);
 
 #endif
-    } else if (startswith(line, "PWM ")) {
-      test_pwm(line + 4);
+    } else if (startswith(line, "BL ")) {
+      test_bl(line + 3);
 #ifdef USE_SD_CARD
     } else if (startswith(line, "SD")) {
       test_sd();

core/site_scons/models/T3W1/trezor_t3w1_revA.py

@@ -46,7 +46,7 @@ def configure(
         "embed/io/display/ltdc_dsi/display_fb_rgb888.c",
         "embed/io/display/ltdc_dsi/display_gfxmmu.c",
         "embed/io/display/fb_queue/fb_queue.c",
-        "embed/io/display/backlight/stm32/backlight_pwm.c",
+        "embed/io/display/backlight_tps61062/backlight_tps61062.c",
     ]
 
     paths += ["embed/io/display/inc"]

core/site_scons/models/T3W1/trezor_t3w1_revA0.py

@@ -45,7 +45,7 @@ def configure(
         "embed/io/display/ltdc_dsi/display_fb.c",
         "embed/io/display/ltdc_dsi/display_fb_rgb565.c",
         "embed/io/display/fb_queue/fb_queue.c",
-        "embed/io/display/backlight/stm32/backlight_pwm.c",
+        "embed/io/display/backlight_tps61062/backlight_tps61062.c",
     ]
 
     paths += ["embed/io/display/inc"]