mfd: ab8500-sysctrl: Provide configuration for SysClkReqRfClkBuf registers (1abf063f) · Commits · 戴 / test

drivers/mfd/ab8500-sysctrl.c

+24 −0

Original line number	Original line	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)		static int ab8500_sysctrl_probe(struct platform_device *pdev)
	{		{
	struct ab8500_platform_data *plat;		struct ab8500_platform_data *plat;
			struct ab8500_sysctrl_platform_data *pdata;

	sysctrl_dev = &pdev->dev;		sysctrl_dev = &pdev->dev;
	plat = dev_get_platdata(pdev->dev.parent);		plat = dev_get_platdata(pdev->dev.parent);
	if (plat->pm_power_off)		if (plat->pm_power_off)
	pm_power_off = ab8500_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;		return 0;
	}		}

+5 −0

Original line number	Original line	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);		return ab8500_sysctrl_write(reg, bits, 0);
	}		}

			/* Configuration data for SysClkReq1RfClkBuf - SysClkReq8RfClkBuf */
			struct ab8500_sysctrl_platform_data {
			u8 initial_req_buf_config[8];
			};

	/* Registers */		/* Registers */
	#define AB8500_TURNONSTATUS 0x100		#define AB8500_TURNONSTATUS 0x100
	#define AB8500_RESETSTATUS 0x101		#define AB8500_RESETSTATUS 0x101

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -270,6 +270,7 @@ struct regulator_reg_init;
	struct regulator_init_data;		struct regulator_init_data;
	struct ab8500_gpio_platform_data;		struct ab8500_gpio_platform_data;
	struct ab8500_codec_platform_data;		struct ab8500_codec_platform_data;
			struct ab8500_sysctrl_platform_data;

	/**		/**
	* struct ab8500_platform_data - AB8500 platform data		* struct ab8500_platform_data - AB8500 platform data
	@@ -291,6 +292,7 @@ struct ab8500_platform_data {
	struct regulator_init_data *regulator;		struct regulator_init_data *regulator;
	struct ab8500_gpio_platform_data *gpio;		struct ab8500_gpio_platform_data *gpio;
	struct ab8500_codec_platform_data *codec;		struct ab8500_codec_platform_data *codec;
			struct ab8500_sysctrl_platform_data *sysctrl;
	};		};

	extern int ab8500_init(struct ab8500 *ab8500,		extern int ab8500_init(struct ab8500 *ab8500,