From mboxrd@z Thu Jan 1 00:00:00 1970 From: sameo@linux.intel.com (Samuel Ortiz) Date: Mon, 28 Jan 2013 00:52:48 +0100 Subject: [PATCH 06/26] mfd: ab8500-sysctrl: Provide configuration for SysClkReqRfClkBuf registers In-Reply-To: <1358254566-12419-7-git-send-email-lee.jones@linaro.org> References: <1358254566-12419-1-git-send-email-lee.jones@linaro.org> <1358254566-12419-7-git-send-email-lee.jones@linaro.org> Message-ID: <20130127235248.GN1174@sortiz-mobl> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Lee, Kennet, On Tue, Jan 15, 2013 at 12:55:46PM +0000, Lee Jones wrote: > From: Kennet Wallden > > Add the possibility to pass configuration settings for > SysCl1kReqRfClkBuf to SysClk8ReqRfClkBuf via platform data. > > Signed-off-by: Lee Jones > Signed-off-by: Kennet Wallden > Reviewed-by: Karl-Johan PERNTZ > Reviewed-by: Bengt JONSSON > --- > drivers/mfd/ab8500-sysctrl.c | 25 +++++++++++++++++++++++++ > include/linux/mfd/abx500/ab8500-sysctrl.h | 5 +++++ > include/linux/mfd/abx500/ab8500.h | 2 ++ > 3 files changed, 32 insertions(+) > > diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c > index cf58f69..19a024e 100644 > --- a/drivers/mfd/ab8500-sysctrl.c > +++ b/drivers/mfd/ab8500-sysctrl.c > @@ -113,11 +113,36 @@ 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; > + > + pdata = plat->sysctrl; > + > + if (pdata) { > + int ret; > + int i; > + int j; Cosmetic int i, j, ret; > + 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 10eb509..ebf12e7 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 96840c4..3f4e6d1 100644 > --- a/include/linux/mfd/abx500/ab8500.h > +++ b/include/linux/mfd/abx500/ab8500.h > @@ -270,6 +270,7 @@ struct regulator_reg_init; > struct regulator_init_data; > struct ab8500_gpio_platform_data; > struct ab8500_codec_platform_data; > +struct ab8500_sysctrl_platform_data; > > /** > * struct ab8500_platform_data - AB8500 platform data > @@ -291,6 +292,7 @@ struct ab8500_platform_data { > struct regulator_init_data *regulator; > struct ab8500_gpio_platform_data *gpio; > struct ab8500_codec_platform_data *codec; > + struct ab8500_sysctrl_platform_data *sysctrl; > }; > > extern int __devinit ab8500_init(struct ab8500 *ab8500, > -- > 1.7.9.5 > -- Intel Open Source Technology Centre http://oss.intel.com/