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-rw-r--r--arch/arm/include/asm/arch-exynos/periph.h33
-rw-r--r--arch/arm/include/asm/arch-exynos/pinmux.h8
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