diff options
| author | Kennet Wallden <kennet.wallden@stericsson.com> | 2011-09-27 07:23:56 (GMT) |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2013-02-04 08:31:29 (GMT) |
| commit | 1abf063ffd18e6934bb81a776b3d71278eeff4ab (patch) | |
| tree | ea4c1329d051017e2f0d46537946d2489da5502f /drivers/mfd/ab8500-sysctrl.c | |
| parent | d0b32fa1e12a6fafbdf4fb142311a36f5314a6ff (diff) | |
| download | linux-1abf063ffd18e6934bb81a776b3d71278eeff4ab.tar.xz | |
mfd: ab8500-sysctrl: Provide configuration for SysClkReqRfClkBuf registers
Add the possibility to pass configuration settings for
SysCl1kReqRfClkBuf to SysClk8ReqRfClkBuf via platform data.
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Kennet Wallden <kennet.wallden@stericsson.com>
Reviewed-by: Karl-Johan PERNTZ <karl-johan.perntz@stericsson.com>
Reviewed-by: Bengt JONSSON <bengt.g.jonsson@stericsson.com>
Diffstat (limited to 'drivers/mfd/ab8500-sysctrl.c')
| -rw-r--r-- | drivers/mfd/ab8500-sysctrl.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c index 3aaff60..236324e 100644 --- a/drivers/mfd/ab8500-sysctrl.c +++ b/drivers/mfd/ab8500-sysctrl.c @@ -113,11 +113,35 @@ int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value) static int 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; + + pdata = plat->sysctrl; + + if (pdata) { + int ret, i, 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; } |