2 files changed, 28 insertions, 13 deletions
diff --git a/arch/arm/include/asm/arch-exynos/periph.h b/arch/arm/include/asm/arch-exynos/periph.h
index 13abd2d70..89bcdfc0c 100644
--- a/arch/arm/include/asm/arch-exynos/periph.h
+++ b/arch/arm/include/asm/arch-exynos/periph.h
@@ -25,12 +25,17 @@
 #define __ASM_ARM_ARCH_PERIPH_H
 
 /*
- * Peripherals requiring clock/pinmux configuration. List will
+ * Peripherals required for pinmux configuration. List will
  * grow with support for more devices getting added.
+ * Numbering based on interrupt table.
  *
  */
 enum periph_id {
-	PERIPH_ID_I2C0,
+	PERIPH_ID_UART0 = 51,
+	PERIPH_ID_UART1,
+	PERIPH_ID_UART2,
+	PERIPH_ID_UART3,
+	PERIPH_ID_I2C0 = 56,
 	PERIPH_ID_I2C1,
 	PERIPH_ID_I2C2,
 	PERIPH_ID_I2C3,
@@ -38,22 +43,24 @@ enum periph_id {
 	PERIPH_ID_I2C5,
 	PERIPH_ID_I2C6,
 	PERIPH_ID_I2C7,
-	PERIPH_ID_I2S1,
-	PERIPH_ID_SDMMC0,
+	PERIPH_ID_SPI0 = 68,
+	PERIPH_ID_SPI1,
+	PERIPH_ID_SPI2,
+	PERIPH_ID_SDMMC0 = 75,
 	PERIPH_ID_SDMMC1,
 	PERIPH_ID_SDMMC2,
 	PERIPH_ID_SDMMC3,
-	PERIPH_ID_SDMMC4,
-	PERIPH_ID_SROMC,
-	PERIPH_ID_SPI0,
-	PERIPH_ID_SPI1,
-	PERIPH_ID_SPI2,
+	PERIPH_ID_I2S1 = 99,
+
+	/* Since following peripherals do
+	 * not have shared peripheral interrupts (SPIs)
+	 * they are numbered arbitiraly after the maximum
+	 * SPIs Exynos has (128)
+	 */
+	PERIPH_ID_SROMC = 128,
 	PERIPH_ID_SPI3,
 	PERIPH_ID_SPI4,
-	PERIPH_ID_UART0,
-	PERIPH_ID_UART1,
-	PERIPH_ID_UART2,
-	PERIPH_ID_UART3,
+	PERIPH_ID_SDMMC4,
 
 	PERIPH_ID_COUNT,
 	PERIPH_ID_NONE = -1,
diff --git a/arch/arm/include/asm/arch-exynos/pinmux.h b/arch/arm/include/asm/arch-exynos/pinmux.h
index 10ea736c7..014eebc75 100644
--- a/arch/arm/include/asm/arch-exynos/pinmux.h
+++ b/arch/arm/include/asm/arch-exynos/pinmux.h
@@ -55,4 +55,12 @@ enum {
  */
 int exynos_pinmux_config(int peripheral, int flags);
 
+/**
+ * Decode the peripheral id using the interrpt numbers.
+ *
+ * @param blob  Device tree blob
+ * @param node  FDT I2C node to find
+ * @return peripheral id if ok, PERIPH_ID_NONE on error
+ */
+int pinmux_decode_periph_id(const void *blob, int node);
 #endif