From: Kennet Wallden <kennet.wall...@stericsson.com>
Add the possibility to pass configuration settings for
SysCl1kReqRfClkBuf to SysClk8ReqRfClkBuf via platform data.
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
Signed-off-by: Kennet Wallden <kennet.wall...@stericsson.com>
Reviewed-by: Karl-Johan PERNTZ <karl-johan.per...@stericsson.com>
Reviewed-by: Bengt JONSSON <bengt.g.jons...@stericsson.com>
---
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;
+ 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
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