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: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kennet Wallden <kennet.wallden@stericsson.com> Reviewed-by: Karl-Johan PERNTZ <karl-johan.perntz@stericsson.com> Reviewed-by: Bengt JONSSON <bengt.g.jonsson@stericsson.com>
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3 changed files with 31 additions and 0 deletions
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@ -113,11 +113,35 @@ int ab8500_sysctrl_write(u16 reg, u8 mask, u8 value)
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static int ab8500_sysctrl_probe(struct platform_device *pdev)
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static int ab8500_sysctrl_probe(struct platform_device *pdev)
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{
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{
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struct ab8500_platform_data *plat;
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struct ab8500_platform_data *plat;
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struct ab8500_sysctrl_platform_data *pdata;
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sysctrl_dev = &pdev->dev;
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sysctrl_dev = &pdev->dev;
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plat = dev_get_platdata(pdev->dev.parent);
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plat = dev_get_platdata(pdev->dev.parent);
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if (plat->pm_power_off)
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if (plat->pm_power_off)
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pm_power_off = ab8500_power_off;
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pm_power_off = ab8500_power_off;
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pdata = plat->sysctrl;
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if (pdata) {
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int ret, i, j;
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for (i = AB8500_SYSCLKREQ1RFCLKBUF;
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i <= AB8500_SYSCLKREQ8RFCLKBUF; i++) {
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j = i - AB8500_SYSCLKREQ1RFCLKBUF;
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ret = ab8500_sysctrl_write(i, 0xff,
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pdata->initial_req_buf_config[j]);
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dev_dbg(&pdev->dev,
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"Setting SysClkReq%dRfClkBuf 0x%X\n",
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j + 1,
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pdata->initial_req_buf_config[j]);
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if (ret < 0) {
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dev_err(&pdev->dev,
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"unable to set sysClkReq%dRfClkBuf: "
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"%d\n", j + 1, ret);
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}
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}
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}
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return 0;
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return 0;
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}
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}
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@ -37,6 +37,11 @@ static inline int ab8500_sysctrl_clear(u16 reg, u8 bits)
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return ab8500_sysctrl_write(reg, bits, 0);
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return ab8500_sysctrl_write(reg, bits, 0);
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}
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}
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/* Configuration data for SysClkReq1RfClkBuf - SysClkReq8RfClkBuf */
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struct ab8500_sysctrl_platform_data {
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u8 initial_req_buf_config[8];
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};
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/* Registers */
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/* Registers */
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#define AB8500_TURNONSTATUS 0x100
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#define AB8500_TURNONSTATUS 0x100
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#define AB8500_RESETSTATUS 0x101
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#define AB8500_RESETSTATUS 0x101
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@ -270,6 +270,7 @@ struct regulator_reg_init;
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struct regulator_init_data;
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struct regulator_init_data;
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struct ab8500_gpio_platform_data;
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struct ab8500_gpio_platform_data;
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struct ab8500_codec_platform_data;
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struct ab8500_codec_platform_data;
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struct ab8500_sysctrl_platform_data;
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/**
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/**
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* struct ab8500_platform_data - AB8500 platform data
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* struct ab8500_platform_data - AB8500 platform data
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@ -291,6 +292,7 @@ struct ab8500_platform_data {
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struct regulator_init_data *regulator;
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struct regulator_init_data *regulator;
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struct ab8500_gpio_platform_data *gpio;
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struct ab8500_gpio_platform_data *gpio;
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struct ab8500_codec_platform_data *codec;
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struct ab8500_codec_platform_data *codec;
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struct ab8500_sysctrl_platform_data *sysctrl;
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};
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};
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extern int ab8500_init(struct ab8500 *ab8500,
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extern int ab8500_init(struct ab8500 *ab8500,
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