3 files changed, 31 insertions, 0 deletions

diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c
index 3aaff6043e18..236324e1136d 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;
 }
 
diff --git a/include/linux/mfd/abx500/ab8500-sysctrl.h b/include/linux/mfd/abx500/ab8500-sysctrl.h
index 10eb50973c39..ebf12e793db9 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 6119b2fbad97..5251bca56326 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 ab8500_init(struct ab8500 *ab8500,