diff --git a/platform/targets/DM-1801/platform.c b/platform/targets/DM-1801/platform.c
index 0b7fda89..83168f1d 100644
--- a/platform/targets/DM-1801/platform.c
+++ b/platform/targets/DM-1801/platform.c
@@ -32,6 +32,22 @@ void platform_init()
     gpio_clearPin(LCD_BKLIGHT);
 
     gpio_setMode(PTT_SW, INPUT);
+
+    /*
+     * Configure backlight PWM: 58.5kHz, 8 bit resolution
+     */
+    SIM->SCGC6 |= SIM_SCGC6_FTM0(1); /* Enable clock */
+
+    FTM0->CONTROLS[3].CnSC = FTM_CnSC_MSB(1)
+                           | FTM_CnSC_ELSB(1); /* Edge-aligned PWM, clear on match */
+    FTM0->CONTROLS[3].CnV  = 0;
+
+    FTM0->MOD  = 0xFF;                         /* Reload value          */
+    FTM0->SC   = FTM_SC_PS(3)                  /* Prescaler divide by 8 */
+               | FTM_SC_CLKS(1);               /* Enable timer          */
+
+    gpio_setMode(LCD_BKLIGHT, OUTPUT);
+    gpio_setAlternateFunction(LCD_BKLIGHT, 2);
 }
 
 void platform_terminate()
@@ -119,13 +135,5 @@ void platform_beepStop()
 
 void platform_setBacklightLevel(uint8_t level)
 {
-    /* TODO: backlight dimming */
-    if(level > 1)
-    {
-        gpio_setPin(LCD_BKLIGHT);
-    }
-    else
-    {
-        gpio_clearPin(LCD_BKLIGHT);
-    }
+    FTM0->CONTROLS[3].CnV = level;
 }
diff --git a/platform/targets/GD77/platform.c b/platform/targets/GD77/platform.c
index 0b7fda89..83168f1d 100644
--- a/platform/targets/GD77/platform.c
+++ b/platform/targets/GD77/platform.c
@@ -32,6 +32,22 @@ void platform_init()
     gpio_clearPin(LCD_BKLIGHT);
 
     gpio_setMode(PTT_SW, INPUT);
+
+    /*
+     * Configure backlight PWM: 58.5kHz, 8 bit resolution
+     */
+    SIM->SCGC6 |= SIM_SCGC6_FTM0(1); /* Enable clock */
+
+    FTM0->CONTROLS[3].CnSC = FTM_CnSC_MSB(1)
+                           | FTM_CnSC_ELSB(1); /* Edge-aligned PWM, clear on match */
+    FTM0->CONTROLS[3].CnV  = 0;
+
+    FTM0->MOD  = 0xFF;                         /* Reload value          */
+    FTM0->SC   = FTM_SC_PS(3)                  /* Prescaler divide by 8 */
+               | FTM_SC_CLKS(1);               /* Enable timer          */
+
+    gpio_setMode(LCD_BKLIGHT, OUTPUT);
+    gpio_setAlternateFunction(LCD_BKLIGHT, 2);
 }
 
 void platform_terminate()
@@ -119,13 +135,5 @@ void platform_beepStop()
 
 void platform_setBacklightLevel(uint8_t level)
 {
-    /* TODO: backlight dimming */
-    if(level > 1)
-    {
-        gpio_setPin(LCD_BKLIGHT);
-    }
-    else
-    {
-        gpio_clearPin(LCD_BKLIGHT);
-    }
+    FTM0->CONTROLS[3].CnV = level;
 }