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Commit 1abf063f authored by Kennet Wallden's avatar Kennet Wallden Committed by Lee Jones
Browse files

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: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarKennet Wallden <kennet.wallden@stericsson.com>
Reviewed-by: default avatarKarl-Johan PERNTZ <karl-johan.perntz@stericsson.com>
Reviewed-by: default avatarBengt JONSSON <bengt.g.jonsson@stericsson.com>
parent d0b32fa1

drivers/mfd/ab8500-sysctrl.c

+24 −0
Original line number Diff line number Diff line
@@ -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;

}

include/linux/mfd/abx500/ab8500-sysctrl.h

+5 −0
Original line number Diff line number Diff line
@@ -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

include/linux/mfd/abx500/ab8500.h

+2 −0
Original line number Diff line number Diff line
@@ -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,