[PATCH u-boot v3 3/6] aspeed/scu: Add definitions needed to configure pins for I2C
Maxim Sloyko
maxims at google.com
Fri Dec 2 08:18:32 AEDT 2016
Add missing definitions for configuring I2C pins
Signed-off-by: Maxim Sloyko <maxims at google.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---
Changes for v1:
Split patch into two with this part adding definitions.
Changes for v2:
Dropped redundant parens.
---
arch/arm/include/asm/arch-aspeed/regs-scu.h | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/include/asm/arch-aspeed/regs-scu.h b/arch/arm/include/asm/arch-aspeed/regs-scu.h
index 5445023..be8c8d7 100644
--- a/arch/arm/include/asm/arch-aspeed/regs-scu.h
+++ b/arch/arm/include/asm/arch-aspeed/regs-scu.h
@@ -844,11 +844,15 @@
#define SCU_FUN_PIN_I2C5 (0x1 << 18)
#define SCU_FUN_PIN_I2C4 (0x1 << 17)
#define SCU_FUN_PIN_I2C3 (0x1 << 16)
+#define SCU_FUN_PIN_I2C(n) (0x1 << (16 + (n) - 3))
#define SCU_FUN_PIN_MII2_RX_DWN_DIS (0x1 << 15)
#define SCU_FUN_PIN_MII2_TX_DWN_DIS (0x1 << 14)
#define SCU_FUN_PIN_MII1_RX_DWN_DIS (0x1 << 13)
#define SCU_FUN_PIN_MII1_TX_DWN_DIS (0x1 << 12)
+#define SCU_I2C_MIN_BUS_NUM 1
+#define SCU_I2C_MAX_BUS_NUM 14
+
#define SCU_FUN_PIN_MII2_TX_DRIV(x) (x << 10)
#define SCU_FUN_PIN_MII2_TX_DRIV_MASK (0x3 << 10)
#define SCU_FUN_PIN_MII1_TX_DRIV(x) (x << 8)
@@ -914,6 +918,11 @@
#define SCU_FUN_PIN_ROMA4 (0x1 << 18)
#define SCU_FUN_PIN_ROMA3 (0x1 << 17)
#define SCU_FUN_PIN_ROMA2 (0x1 << 16)
+/* AST2500 only */
+#define SCU_FUN_PIN_SDA2 (0x1 << 15)
+#define SCU_FUN_PIN_SCL2 (0x1 << 14)
+#define SCU_FUN_PIN_SDA1 (0x1 << 13)
+#define SCU_FUN_PIN_SCL1 (0x1 << 12)
/* AST_SCU_FUN_PIN_CTRL9 0xA8 - Multi-function Pin Control#9 */
#define SCU_FUN_PIN_ROMA21 (0x1 << 3)
--
2.8.0.rc3.226.g39d4020
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