diff options
| author | Kennet Wallden <kennet.wallden@stericsson.com> | 2011-09-27 09:23:56 +0200 |
|---|---|---|
| committer | Philippe Langlais <philippe.langlais@stericsson.com> | 2012-05-22 11:01:07 +0200 |
| commit | 672afbe5adffd7adcbd73456412c97cf32503023 (patch) | |
| tree | 8587fb9674cd7a127b1050e27a57ac6dc062ad7c | |
| parent | 868f676cb3f97454b121853666e5d1ac3974ed8d (diff) | |
u8500: Configure SysClkReqRfClkBuf
Added the possibility to configure SysCl1kReqRfClkBuf - SysClk8ReqRfClkBuf
ST-Ericsson ID: 360052
ST-Ericsson Linux next: N/A
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I7813ae4a73701d874e39556c60608ff66e1d016d
Signed-off-by: Kennet Wallden <kennet.wallden@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/32261
Reviewed-by: Karl-Johan PERNTZ <karl-johan.perntz@stericsson.com>
Reviewed-by: Bengt JONSSON <bengt.g.jonsson@stericsson.com>
| -rw-r--r-- | drivers/mfd/ab8500-sysctrl.c | 25 | ||||
| -rw-r--r-- | include/linux/mfd/abx500/ab8500-sysctrl.h | 5 | ||||
| -rw-r--r-- | include/linux/mfd/abx500/ab8500.h | 2 |
3 files changed, 32 insertions, 0 deletions
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c index 2a328cfaf43..e6befdc9e08 100644 --- a/drivers/mfd/ab8500-sysctrl.c +++ b/drivers/mfd/ab8500-sysctrl.c @@ -154,12 +154,37 @@ int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value) static int __devinit ab8500_sysctrl_probe(struct platform_device *pdev) { struct ab8500_platform_data *plat; + struct ab8500_sysctrl_platform_data *pdata; sysctrl_dev = &pdev->dev; plat = dev_get_platdata(pdev->dev.parent); if (plat->pm_power_off) pm_power_off = ab8500_power_off; hwmon_notifier_register(&ab8500_notifier); + + pdata = plat->sysctrl; + + if (pdata) { + int ret; + int i; + int j; + for (i = AB8500_SYSCLKREQ1RFCLKBUF; + i <= AB8500_SYSCLKREQ8RFCLKBUF; i++) { + j = i - AB8500_SYSCLKREQ1RFCLKBUF; + ret = ab8500_sysctrl_write(i, 0xff, + pdata->initial_req_buf_config[j]); + dev_dbg(&pdev->dev, + "Setting SysClkReq%dRfClkBuf 0x%X\n", + j + 1, + pdata->initial_req_buf_config[j]); + if (ret < 0) { + dev_err(&pdev->dev, + "unable to set sysClkReq%dRfClkBuf: " + "%d\n", j + 1, ret); + } + } + } + return 0; } diff --git a/include/linux/mfd/abx500/ab8500-sysctrl.h b/include/linux/mfd/abx500/ab8500-sysctrl.h index 10eb50973c3..ebf12e793db 100644 --- a/include/linux/mfd/abx500/ab8500-sysctrl.h +++ b/include/linux/mfd/abx500/ab8500-sysctrl.h @@ -37,6 +37,11 @@ static inline int ab8500_sysctrl_clear(u16 reg, u8 bits) return ab8500_sysctrl_write(reg, bits, 0); } +/* Configuration data for SysClkReq1RfClkBuf - SysClkReq8RfClkBuf */ +struct ab8500_sysctrl_platform_data { + u8 initial_req_buf_config[8]; +}; + /* Registers */ #define AB8500_TURNONSTATUS 0x100 #define AB8500_RESETSTATUS 0x101 diff --git a/include/linux/mfd/abx500/ab8500.h b/include/linux/mfd/abx500/ab8500.h index a8ee912bf69..c6119f50bf7 100644 --- a/include/linux/mfd/abx500/ab8500.h +++ b/include/linux/mfd/abx500/ab8500.h @@ -263,6 +263,7 @@ struct ab8500_accdet_platform_data; struct ab8500_denc_platform_data; struct ab8500_audio_platform_data; struct ab8500_gpio_platform_data; +struct ab8500_sysctrl_platform_data; /** * struct ab8500_platform_data - AB8500 platform data @@ -295,6 +296,7 @@ struct ab8500_platform_data { struct ab8500_fg_platform_data *fg; struct ab8500_chargalg_platform_data *chargalg; struct ab8500_gpio_platform_data *gpio; + struct ab8500_sysctrl_platform_data *sysctrl; }; extern int __devinit ab8500_init(struct ab8500 *ab8500, |