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extcon: sm5502: Change internal hardware switch according to cable type

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This patch changes internal hardware DP_CON/DM_CON switch according to
cable type. The SM5502 MUIC device can set hardware switch as following:
- OPEN (not connected state) / USB / UART / AUDIO
Also, this patch set VBUSIN switch according to cable type.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Chanwoo Choi 2014-05-28 15:35:29 +09:00
parent e1954452f5
commit a75fed2ee6
2 changed files with 96 additions and 5 deletions
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23
include/linux/extcon/sm5502.h
View file

@ -223,6 +223,29 @@ enum sm5502_reg {
#define SM5502_REG_DEV_TYPE2_TTY_MASK (0x1 << SM5502_REG_DEV_TYPE2_TTY_SHIFT)
#define SM5502_REG_DEV_TYPE2_AV_CABLE_MASK (0x1 << SM5502_REG_DEV_TYPE2_AV_CABLE_SHIFT)
#define SM5502_REG_MANUAL_SW1_VBUSIN_SHIFT 0
#define SM5502_REG_MANUAL_SW1_DP_SHIFT 2
#define SM5502_REG_MANUAL_SW1_DM_SHIFT 5
#define SM5502_REG_MANUAL_SW1_VBUSIN_MASK (0x3 << SM5502_REG_MANUAL_SW1_VBUSIN_SHIFT)
#define SM5502_REG_MANUAL_SW1_DP_MASK (0x7 << SM5502_REG_MANUAL_SW1_DP_SHIFT)
#define SM5502_REG_MANUAL_SW1_DM_MASK (0x7 << SM5502_REG_MANUAL_SW1_DM_SHIFT)
#define VBUSIN_SWITCH_OPEN 0x0
#define VBUSIN_SWITCH_VBUSOUT 0x1
#define VBUSIN_SWITCH_MIC 0x2
#define VBUSIN_SWITCH_VBUSOUT_WITH_USB 0x3
#define DM_DP_CON_SWITCH_OPEN 0x0
#define DM_DP_CON_SWITCH_USB 0x1
#define DM_DP_CON_SWITCH_AUDIO 0x2
#define DM_DP_CON_SWITCH_UART 0x3
#define DM_DP_SWITCH_OPEN ((DM_DP_CON_SWITCH_OPEN <<SM5502_REG_MANUAL_SW1_DP_SHIFT) \
| (DM_DP_CON_SWITCH_OPEN <<SM5502_REG_MANUAL_SW1_DM_SHIFT))
#define DM_DP_SWITCH_USB ((DM_DP_CON_SWITCH_USB <<SM5502_REG_MANUAL_SW1_DP_SHIFT) \
| (DM_DP_CON_SWITCH_USB <<SM5502_REG_MANUAL_SW1_DM_SHIFT))
#define DM_DP_SWITCH_AUDIO ((DM_DP_CON_SWITCH_AUDIO <<SM5502_REG_MANUAL_SW1_DP_SHIFT) \
| (DM_DP_CON_SWITCH_AUDIO <<SM5502_REG_MANUAL_SW1_DM_SHIFT))
#define DM_DP_SWITCH_UART ((DM_DP_CON_SWITCH_UART <<SM5502_REG_MANUAL_SW1_DP_SHIFT) \
| (DM_DP_CON_SWITCH_UART <<SM5502_REG_MANUAL_SW1_DM_SHIFT))
/* SM5502 Interrupts */
enum sm5502_irq {
/* INT1 */