drivers: dma: siwx91x: GPDMA clock initialization for siwx91x

Clock driver changes required for initializing the GPDMA clock
for the siwx91x driver

Signed-off-by: Sai Santhosh Malae <[email protected]>

Author: smalae

drivers/clock_control/clock_control_silabs_siwx91x.c

@@ -107,6 +107,9 @@ static int siwx91x_clock_on(const struct device *dev, clock_control_subsys_t sys
 	case SIWX91X_ADC_CLK:
 		RSI_ADC_PowerControl(ADC_POWER_ON);
 		break;
+	case SIWX91X_CLK_GPDMA0:
+		RSI_CLK_PeripheralClkEnable(M4CLK, RPDMA_CLK, ENABLE_STATIC_CLK);
+		break;
 	default:
 		return -EINVAL;
 	}

include/zephyr/dt-bindings/clock/silabs/siwx91x-clock.h

@@ -22,5 +22,6 @@
 #define SIWX91X_CLK_ULP_I2S        15
 #define SIWX91X_CLK_STATIC_ULP_I2S 16
 #define SIWX91X_ADC_CLK            17
+#define SIWX91X_CLK_GPDMA0         18
 
 #endif