diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/ux500/u8500_of_clk.c | 16 | ||||
| -rw-r--r-- | drivers/clk/ux500/u8540_clk.c | 16 | ||||
| -rw-r--r-- | drivers/clk/ux500/u9540_clk.c | 4 | ||||
| -rw-r--r-- | drivers/mfd/ab8500-core.c | 4 | ||||
| -rw-r--r-- | drivers/mfd/ab8500-sysctrl.c | 34 | ||||
| -rw-r--r-- | drivers/mfd/db8500-prcmu.c | 10 | ||||
| -rw-r--r-- | drivers/regulator/ab8500-ext.c | 465 | ||||
| -rw-r--r-- | drivers/soc/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/soc/Makefile | 1 | ||||
| -rw-r--r-- | drivers/soc/ux500/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/soc/ux500/Makefile | 1 | ||||
| -rw-r--r-- | drivers/soc/ux500/ux500-soc-id.c | 222 |
12 files changed, 692 insertions, 89 deletions
diff --git a/drivers/clk/ux500/u8500_of_clk.c b/drivers/clk/ux500/u8500_of_clk.c index 9a736d939806..e960d686d9db 100644 --- a/drivers/clk/ux500/u8500_of_clk.c +++ b/drivers/clk/ux500/u8500_of_clk.c @@ -11,7 +11,6 @@ #include <linux/of_address.h> #include <linux/clk-provider.h> #include <linux/mfd/dbx500-prcmu.h> -#include <linux/platform_data/clk-ux500.h> #include "clk.h" #define PRCC_NUM_PERIPH_CLUSTERS 6 @@ -48,11 +47,6 @@ static struct clk *ux500_twocell_get(struct of_phandle_args *clkspec, return PRCC_SHOW(clk_data, base, bit); } -static const struct of_device_id u8500_clk_of_match[] = { - { .compatible = "stericsson,u8500-clks", }, - { }, -}; - /* CLKRST4 is missing making it hard to index things */ enum clkrst_index { CLKRST1_INDEX = 0, @@ -63,22 +57,15 @@ enum clkrst_index { CLKRST_MAX, }; -void u8500_clk_init(void) +static void u8500_clk_init(struct device_node *np) { struct prcmu_fw_version *fw_version; - struct device_node *np = NULL; struct device_node *child = NULL; const char *sgaclk_parent = NULL; struct clk *clk, *rtc_clk, *twd_clk; u32 bases[CLKRST_MAX]; int i; - if (of_have_populated_dt()) - np = of_find_matching_node(NULL, u8500_clk_of_match); - if (!np) { - pr_err("Either DT or U8500 Clock node not found\n"); - return; - } for (i = 0; i < ARRAY_SIZE(bases); i++) { struct resource r; @@ -573,3 +560,4 @@ void u8500_clk_init(void) of_clk_add_provider(child, of_clk_src_simple_get, twd_clk); } } +CLK_OF_DECLARE(u8500_clks, "stericsson,u8500-clks", u8500_clk_init); diff --git a/drivers/clk/ux500/u8540_clk.c b/drivers/clk/ux500/u8540_clk.c index 86549e59fb42..133859f0e2bf 100644 --- a/drivers/clk/ux500/u8540_clk.c +++ b/drivers/clk/ux500/u8540_clk.c @@ -12,14 +12,8 @@ #include <linux/clkdev.h> #include <linux/clk-provider.h> #include <linux/mfd/dbx500-prcmu.h> -#include <linux/platform_data/clk-ux500.h> #include "clk.h" -static const struct of_device_id u8540_clk_of_match[] = { - { .compatible = "stericsson,u8540-clks", }, - { } -}; - /* CLKRST4 is missing making it hard to index things */ enum clkrst_index { CLKRST1_INDEX = 0, @@ -30,19 +24,12 @@ enum clkrst_index { CLKRST_MAX, }; -void u8540_clk_init(void) +static void u8540_clk_init(struct device_node *np) { struct clk *clk; - struct device_node *np = NULL; u32 bases[CLKRST_MAX]; int i; - if (of_have_populated_dt()) - np = of_find_matching_node(NULL, u8540_clk_of_match); - if (!np) { - pr_err("Either DT or U8540 Clock node not found\n"); - return; - } for (i = 0; i < ARRAY_SIZE(bases); i++) { struct resource r; @@ -607,3 +594,4 @@ void u8540_clk_init(void) bases[CLKRST6_INDEX], BIT(0), CLK_SET_RATE_GATE); clk_register_clkdev(clk, NULL, "rng"); } +CLK_OF_DECLARE(u8540_clks, "stericsson,u8540-clks", u8540_clk_init); diff --git a/drivers/clk/ux500/u9540_clk.c b/drivers/clk/ux500/u9540_clk.c index 2138a4c8cbca..7b6bca49ce42 100644 --- a/drivers/clk/ux500/u9540_clk.c +++ b/drivers/clk/ux500/u9540_clk.c @@ -9,10 +9,10 @@ #include <linux/clk-provider.h> #include <linux/mfd/dbx500-prcmu.h> -#include <linux/platform_data/clk-ux500.h> #include "clk.h" -void u9540_clk_init(void) +static void u9540_clk_init(struct device_node *np) { /* register clocks here */ } +CLK_OF_DECLARE(u9540_clks, "stericsson,u9540-clks", u9540_clk_init); diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index f3d689176fc2..589eebfc13df 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -1087,7 +1087,6 @@ static int ab8500_probe(struct platform_device *pdev) "Vbus Detect (USB)", "USB ID Detect", "UART Factory Mode Detect"}; - struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev); const struct platform_device_id *platid = platform_get_device_id(pdev); enum ab8500_version version = AB8500_VERSION_UNDEFINED; struct device_node *np = pdev->dev.of_node; @@ -1219,9 +1218,6 @@ static int ab8500_probe(struct platform_device *pdev) pr_cont("None\n"); } - if (plat && plat->init) - plat->init(ab8500); - if (is_ab9540(ab8500)) { ret = get_register_interruptible(ab8500, AB8500_CHARGER, AB8500_CH_USBCH_STAT1_REG, &value); diff --git a/drivers/mfd/ab8500-sysctrl.c b/drivers/mfd/ab8500-sysctrl.c index b9f0010309f9..207cc497958a 100644 --- a/drivers/mfd/ab8500-sysctrl.c +++ b/drivers/mfd/ab8500-sysctrl.c @@ -127,45 +127,11 @@ EXPORT_SYMBOL(ab8500_sysctrl_write); static int ab8500_sysctrl_probe(struct platform_device *pdev) { - struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent); - struct ab8500_platform_data *plat; - struct ab8500_sysctrl_platform_data *pdata; - - plat = dev_get_platdata(pdev->dev.parent); - - if (!plat) - return -EINVAL; - sysctrl_dev = &pdev->dev; if (!pm_power_off) pm_power_off = ab8500_power_off; - pdata = plat->sysctrl; - if (pdata) { - int last, ret, i, j; - - if (is_ab8505(ab8500)) - last = AB8500_SYSCLKREQ4RFCLKBUF; - else - last = AB8500_SYSCLKREQ8RFCLKBUF; - - for (i = AB8500_SYSCLKREQ1RFCLKBUF; i <= last; 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, - "Can't set sysClkReq%dRfClkBuf: %d\n", - j + 1, ret); - } - } - } - return 0; } diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index c0a86aeb1733..388e268b9bcf 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -3094,8 +3094,7 @@ static void db8500_prcmu_update_cpufreq(void) } } -static int db8500_prcmu_register_ab8500(struct device *parent, - struct ab8500_platform_data *pdata) +static int db8500_prcmu_register_ab8500(struct device *parent) { struct device_node *np; struct resource ab8500_resource; @@ -3103,8 +3102,6 @@ static int db8500_prcmu_register_ab8500(struct device *parent, .name = "ab8500-core", .of_compatible = "stericsson,ab8500", .id = AB8500_VERSION_AB8500, - .platform_data = pdata, - .pdata_size = sizeof(struct ab8500_platform_data), .resources = &ab8500_resource, .num_resources = 1, }; @@ -3133,7 +3130,6 @@ static int db8500_prcmu_register_ab8500(struct device *parent, static int db8500_prcmu_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; - struct prcmu_pdata *pdata = dev_get_platdata(&pdev->dev); int irq = 0, err = 0; struct resource *res; @@ -3149,7 +3145,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev) return -ENOMEM; } init_prcm_registers(); - dbx500_fw_version_init(pdev, pdata->version_offset); + dbx500_fw_version_init(pdev, DB8500_PRCMU_FW_VERSION_OFFSET); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "prcmu-tcdm"); if (!res) { dev_err(&pdev->dev, "no prcmu tcdm region provided\n"); @@ -3204,7 +3200,7 @@ static int db8500_prcmu_probe(struct platform_device *pdev) } } - err = db8500_prcmu_register_ab8500(&pdev->dev, pdata->ab_platdata); + err = db8500_prcmu_register_ab8500(&pdev->dev); if (err) { mfd_remove_devices(&pdev->dev); pr_err("prcmu: Failed to add ab8500 subdevice\n"); diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c index 84c1ee39ddae..2ca00045eb99 100644 --- a/drivers/regulator/ab8500-ext.c +++ b/drivers/regulator/ab8500-ext.c @@ -25,6 +25,456 @@ #include <linux/mfd/abx500/ab8500.h> #include <linux/regulator/ab8500.h> +static struct regulator_consumer_supply ab8500_vaux1_consumers[] = { + /* Main display, u8500 R3 uib */ + REGULATOR_SUPPLY("vddi", "mcde_disp_sony_acx424akp.0"), + /* Main display, u8500 uib and ST uib */ + REGULATOR_SUPPLY("vdd1", "samsung_s6d16d0.0"), + /* Secondary display, ST uib */ + REGULATOR_SUPPLY("vdd1", "samsung_s6d16d0.1"), + /* SFH7741 proximity sensor */ + REGULATOR_SUPPLY("vcc", "gpio-keys.0"), + /* BH1780GLS ambient light sensor */ + REGULATOR_SUPPLY("vcc", "2-0029"), + /* lsm303dlh accelerometer */ + REGULATOR_SUPPLY("vdd", "2-0018"), + /* lsm303dlhc accelerometer */ + REGULATOR_SUPPLY("vdd", "2-0019"), + /* lsm303dlh magnetometer */ + REGULATOR_SUPPLY("vdd", "2-001e"), + /* Rohm BU21013 Touchscreen devices */ + REGULATOR_SUPPLY("avdd", "3-005c"), + REGULATOR_SUPPLY("avdd", "3-005d"), + /* Synaptics RMI4 Touchscreen device */ + REGULATOR_SUPPLY("vdd", "3-004b"), + /* L3G4200D Gyroscope device */ + REGULATOR_SUPPLY("vdd", "2-0068"), + /* Ambient light sensor device */ + REGULATOR_SUPPLY("vdd", "3-0029"), + /* Pressure sensor device */ + REGULATOR_SUPPLY("vdd", "2-005c"), + /* Cypress TrueTouch Touchscreen device */ + REGULATOR_SUPPLY("vcpin", "spi8.0"), + /* Camera device */ + REGULATOR_SUPPLY("vaux12v5", "mmio_camera"), +}; + +static struct regulator_consumer_supply ab8500_vaux2_consumers[] = { + /* On-board eMMC power */ + REGULATOR_SUPPLY("vmmc", "sdi4"), + /* AB8500 audio codec */ + REGULATOR_SUPPLY("vcc-N2158", "ab8500-codec.0"), + /* AB8500 accessory detect 1 */ + REGULATOR_SUPPLY("vcc-N2158", "ab8500-acc-det.0"), + /* AB8500 Tv-out device */ + REGULATOR_SUPPLY("vcc-N2158", "mcde_tv_ab8500.4"), + /* AV8100 HDMI device */ + REGULATOR_SUPPLY("vcc-N2158", "av8100_hdmi.3"), +}; + +static struct regulator_consumer_supply ab8500_vaux3_consumers[] = { + REGULATOR_SUPPLY("v-SD-STM", "stm"), + /* External MMC slot power */ + REGULATOR_SUPPLY("vmmc", "sdi0"), +}; + +static struct regulator_consumer_supply ab8500_vtvout_consumers[] = { + /* TV-out DENC supply */ + REGULATOR_SUPPLY("vtvout", "ab8500-denc.0"), + /* Internal general-purpose ADC */ + REGULATOR_SUPPLY("vddadc", "ab8500-gpadc.0"), + /* ADC for charger */ + REGULATOR_SUPPLY("vddadc", "ab8500-charger.0"), + /* AB8500 Tv-out device */ + REGULATOR_SUPPLY("vtvout", "mcde_tv_ab8500.4"), +}; + +static struct regulator_consumer_supply ab8500_vaud_consumers[] = { + /* AB8500 audio-codec main supply */ + REGULATOR_SUPPLY("vaud", "ab8500-codec.0"), +}; + +static struct regulator_consumer_supply ab8500_vamic1_consumers[] = { + /* AB8500 audio-codec Mic1 supply */ + REGULATOR_SUPPLY("vamic1", "ab8500-codec.0"), +}; + +static struct regulator_consumer_supply ab8500_vamic2_consumers[] = { + /* AB8500 audio-codec Mic2 supply */ + REGULATOR_SUPPLY("vamic2", "ab8500-codec.0"), +}; + +static struct regulator_consumer_supply ab8500_vdmic_consumers[] = { + /* AB8500 audio-codec DMic supply */ + REGULATOR_SUPPLY("vdmic", "ab8500-codec.0"), +}; + +static struct regulator_consumer_supply ab8500_vintcore_consumers[] = { + /* SoC core supply, no device */ + REGULATOR_SUPPLY("v-intcore", NULL), + /* USB Transceiver */ + REGULATOR_SUPPLY("vddulpivio18", "ab8500-usb.0"), + /* Handled by abx500 clk driver */ + REGULATOR_SUPPLY("v-intcore", "abx500-clk.0"), +}; + +static struct regulator_consumer_supply ab8500_vana_consumers[] = { + /* DB8500 DSI */ + REGULATOR_SUPPLY("vdddsi1v2", "mcde"), + REGULATOR_SUPPLY("vdddsi1v2", "b2r2_core"), + REGULATOR_SUPPLY("vdddsi1v2", "b2r2_1_core"), + REGULATOR_SUPPLY("vdddsi1v2", "dsilink.0"), + REGULATOR_SUPPLY("vdddsi1v2", "dsilink.1"), + REGULATOR_SUPPLY("vdddsi1v2", "dsilink.2"), + /* DB8500 CSI */ + REGULATOR_SUPPLY("vddcsi1v2", "mmio_camera"), +}; + +/* ab8500 regulator register initialization */ +static struct ab8500_regulator_reg_init ab8500_reg_init[] = { + /* + * VanaRequestCtrl = HP/LP depending on VxRequest + * VextSupply1RequestCtrl = HP/LP depending on VxRequest + */ + INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL2, 0xf0, 0x00), + /* + * VextSupply2RequestCtrl = HP/LP depending on VxRequest + * VextSupply3RequestCtrl = HP/LP depending on VxRequest + * Vaux1RequestCtrl = HP/LP depending on VxRequest + * Vaux2RequestCtrl = HP/LP depending on VxRequest + */ + INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL3, 0xff, 0x00), + /* + * Vaux3RequestCtrl = HP/LP depending on VxRequest + * SwHPReq = Control through SWValid disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUREQUESTCTRL4, 0x07, 0x00), + /* + * VanaSysClkReq1HPValid = disabled + * Vaux1SysClkReq1HPValid = disabled + * Vaux2SysClkReq1HPValid = disabled + * Vaux3SysClkReq1HPValid = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID1, 0xe8, 0x00), + /* + * VextSupply1SysClkReq1HPValid = disabled + * VextSupply2SysClkReq1HPValid = disabled + * VextSupply3SysClkReq1HPValid = SysClkReq1 controlled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQ1HPVALID2, 0x70, 0x40), + /* + * VanaHwHPReq1Valid = disabled + * Vaux1HwHPreq1Valid = disabled + * Vaux2HwHPReq1Valid = disabled + * Vaux3HwHPReqValid = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID1, 0xe8, 0x00), + /* + * VextSupply1HwHPReq1Valid = disabled + * VextSupply2HwHPReq1Valid = disabled + * VextSupply3HwHPReq1Valid = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ1VALID2, 0x07, 0x00), + /* + * VanaHwHPReq2Valid = disabled + * Vaux1HwHPReq2Valid = disabled + * Vaux2HwHPReq2Valid = disabled + * Vaux3HwHPReq2Valid = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID1, 0xe8, 0x00), + /* + * VextSupply1HwHPReq2Valid = disabled + * VextSupply2HwHPReq2Valid = disabled + * VextSupply3HwHPReq2Valid = HWReq2 controlled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUHWHPREQ2VALID2, 0x07, 0x04), + /* + * VanaSwHPReqValid = disabled + * Vaux1SwHPReqValid = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID1, 0xa0, 0x00), + /* + * Vaux2SwHPReqValid = disabled + * Vaux3SwHPReqValid = disabled + * VextSupply1SwHPReqValid = disabled + * VextSupply2SwHPReqValid = disabled + * VextSupply3SwHPReqValid = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUSWHPREQVALID2, 0x1f, 0x00), + /* + * SysClkReq2Valid1 = SysClkReq2 controlled + * SysClkReq3Valid1 = disabled + * SysClkReq4Valid1 = SysClkReq4 controlled + * SysClkReq5Valid1 = disabled + * SysClkReq6Valid1 = SysClkReq6 controlled + * SysClkReq7Valid1 = disabled + * SysClkReq8Valid1 = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID1, 0xfe, 0x2a), + /* + * SysClkReq2Valid2 = disabled + * SysClkReq3Valid2 = disabled + * SysClkReq4Valid2 = disabled + * SysClkReq5Valid2 = disabled + * SysClkReq6Valid2 = SysClkReq6 controlled + * SysClkReq7Valid2 = disabled + * SysClkReq8Valid2 = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUSYSCLKREQVALID2, 0xfe, 0x20), + /* + * VTVoutEna = disabled + * Vintcore12Ena = disabled + * Vintcore12Sel = 1.25 V + * Vintcore12LP = inactive (HP) + * VTVoutLP = inactive (HP) + */ + INIT_REGULATOR_REGISTER(AB8500_REGUMISC1, 0xfe, 0x10), + /* + * VaudioEna = disabled + * VdmicEna = disabled + * Vamic1Ena = disabled + * Vamic2Ena = disabled + */ + INIT_REGULATOR_REGISTER(AB8500_VAUDIOSUPPLY, 0x1e, 0x00), + /* + * Vamic1_dzout = high-Z when Vamic1 is disabled + * Vamic2_dzout = high-Z when Vamic2 is disabled + */ + INIT_REGULATOR_REGISTER(AB8500_REGUCTRL1VAMIC, 0x03, 0x00), + /* + * VPll = Hw controlled (NOTE! PRCMU bits) + * VanaRegu = force off + */ + INIT_REGULATOR_REGISTER(AB8500_VPLLVANAREGU, 0x0f, 0x02), + /* + * VrefDDREna = disabled + * VrefDDRSleepMode = inactive (no pulldown) + */ + INIT_REGULATOR_REGISTER(AB8500_VREFDDR, 0x03, 0x00), + /* + * VextSupply1Regu = force LP + * VextSupply2Regu = force OFF + * VextSupply3Regu = force HP (-> STBB2=LP and TPS=LP) + * ExtSupply2Bypass = ExtSupply12LPn ball is 0 when Ena is 0 + * ExtSupply3Bypass = ExtSupply3LPn ball is 0 when Ena is 0 + */ + INIT_REGULATOR_REGISTER(AB8500_EXTSUPPLYREGU, 0xff, 0x13), + /* + * Vaux1Regu = force HP + * Vaux2Regu = force off + */ + INIT_REGULATOR_REGISTER(AB8500_VAUX12REGU, 0x0f, 0x01), + /* + * Vaux3Regu = force off + */ + INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3REGU, 0x03, 0x00), + /* + * Vaux1Sel = 2.8 V + */ + INIT_REGULATOR_REGISTER(AB8500_VAUX1SEL, 0x0f, 0x0C), + /* + * Vaux2Sel = 2.9 V + */ + INIT_REGULATOR_REGISTER(AB8500_VAUX2SEL, 0x0f, 0x0d), + /* + * Vaux3Sel = 2.91 V + */ + INIT_REGULATOR_REGISTER(AB8500_VRF1VAUX3SEL, 0x07, 0x07), + /* + * VextSupply12LP = disabled (no LP) + */ + INIT_REGULATOR_REGISTER(AB8500_REGUCTRL2SPARE, 0x01, 0x00), + /* + * Vaux1Disch = short discharge time + * Vaux2Disch = short discharge time + * Vaux3Disch = short discharge time + * Vintcore12Disch = short discharge time + * VTVoutDisch = short discharge time + * VaudioDisch = short discharge time + */ + INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH, 0xfc, 0x00), + /* + * VanaDisch = short discharge time + * VdmicPullDownEna = pulldown disabled when Vdmic is disabled + * VdmicDisch = short discharge time + */ + INIT_REGULATOR_REGISTER(AB8500_REGUCTRLDISCH2, 0x16, 0x00), +}; + +/* AB8500 regulators */ +static struct regulator_init_data ab8500_regulators[AB8500_NUM_REGULATORS] = { + /* supplies to the display/camera */ + [AB8500_LDO_AUX1] = { + .supply_regulator = "ab8500-ext-supply3", + .constraints = { + .name = "V-DISPLAY", + .min_uV = 2800000, + .max_uV = 3300000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + .boot_on = 1, /* display is on at boot */ + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux1_consumers), + .consumer_supplies = ab8500_vaux1_consumers, + }, + /* supplies to the on-board eMMC */ + [AB8500_LDO_AUX2] = { + .supply_regulator = "ab8500-ext-supply3", + .constraints = { + .name = "V-eMMC1", + .min_uV = 1100000, + .max_uV = 3300000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS | + REGULATOR_CHANGE_MODE, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_IDLE, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux2_consumers), + .consumer_supplies = ab8500_vaux2_consumers, + }, + /* supply for VAUX3, supplies to SDcard slots */ + [AB8500_LDO_AUX3] = { + .supply_regulator = "ab8500-ext-supply3", + .constraints = { + .name = "V-MMC-SD", + .min_uV = 1100000, + .max_uV = 3300000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS | + REGULATOR_CHANGE_MODE, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_IDLE, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vaux3_consumers), + .consumer_supplies = ab8500_vaux3_consumers, + }, + /* supply for tvout, gpadc, TVOUT LDO */ + [AB8500_LDO_TVOUT] = { + .constraints = { + .name = "V-TVOUT", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vtvout_consumers), + .consumer_supplies = ab8500_vtvout_consumers, + }, + /* supply for ab8500-vaudio, VAUDIO LDO */ + [AB8500_LDO_AUDIO] = { + .constraints = { + .name = "V-AUD", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vaud_consumers), + .consumer_supplies = ab8500_vaud_consumers, + }, + /* supply for v-anamic1 VAMic1-LDO */ + [AB8500_LDO_ANAMIC1] = { + .constraints = { + .name = "V-AMIC1", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vamic1_consumers), + .consumer_supplies = ab8500_vamic1_consumers, + }, + /* supply for v-amic2, VAMIC2 LDO, reuse constants for AMIC1 */ + [AB8500_LDO_ANAMIC2] = { + .constraints = { + .name = "V-AMIC2", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vamic2_consumers), + .consumer_supplies = ab8500_vamic2_consumers, + }, + /* supply for v-dmic, VDMIC LDO */ + [AB8500_LDO_DMIC] = { + .constraints = { + .name = "V-DMIC", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vdmic_consumers), + .consumer_supplies = ab8500_vdmic_consumers, + }, + /* supply for v-intcore12, VINTCORE12 LDO */ + [AB8500_LDO_INTCORE] = { + .constraints = { + .name = "V-INTCORE", + .min_uV = 1250000, + .max_uV = 1350000, + .input_uV = 1800000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS | + REGULATOR_CHANGE_MODE | + REGULATOR_CHANGE_DRMS, + .valid_modes_mask = REGULATOR_MODE_NORMAL | + REGULATOR_MODE_IDLE, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vintcore_consumers), + .consumer_supplies = ab8500_vintcore_consumers, + }, + /* supply for U8500 CSI-DSI, VANA LDO */ + [AB8500_LDO_ANA] = { + .constraints = { + .name = "V-CSI-DSI", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = ARRAY_SIZE(ab8500_vana_consumers), + .consumer_supplies = ab8500_vana_consumers, + }, +}; + +/* supply for VextSupply3 */ +static struct regulator_consumer_supply ab8500_ext_supply3_consumers[] = { + /* SIM supply for 3 V SIM cards */ + REGULATOR_SUPPLY("vinvsim", "sim-detect.0"), +}; + +/* + * AB8500 external regulators + */ +static struct regulator_init_data ab8500_ext_regulators[] = { + /* fixed Vbat supplies VSMPS1_EXT_1V8 */ + [AB8500_EXT_SUPPLY1] = { + .constraints = { + .name = "ab8500-ext-supply1", + .min_uV = 1800000, + .max_uV = 1800000, + .initial_mode = REGULATOR_MODE_IDLE, + .boot_on = 1, + .always_on = 1, + }, + }, + /* fixed Vbat supplies VSMPS2_EXT_1V36 and VSMPS5_EXT_1V15 */ + [AB8500_EXT_SUPPLY2] = { + .constraints = { + .name = "ab8500-ext-supply2", + .min_uV = 1360000, + .max_uV = 1360000, + }, + }, + /* fixed Vbat supplies VSMPS3_EXT_3V4 and VSMPS4_EXT_3V4 */ + [AB8500_EXT_SUPPLY3] = { + .constraints = { + .name = "ab8500-ext-supply3", + .min_uV = 3400000, + .max_uV = 3400000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .boot_on = 1, + }, + .num_consumer_supplies = + ARRAY_SIZE(ab8500_ext_supply3_consumers), + .consumer_supplies = ab8500_ext_supply3_consumers, + }, +}; + +static struct ab8500_regulator_platform_data ab8500_regulator_plat_data = { + .reg_init = ab8500_reg_init, + .num_reg_init = ARRAY_SIZE(ab8500_reg_init), + .regulator = ab8500_regulators, + .num_regulator = ARRAY_SIZE(ab8500_regulators), + .ext_regulator = ab8500_ext_regulators, + .num_ext_regulator = ARRAY_SIZE(ab8500_ext_regulators), +}; + /** * struct ab8500_ext_regulator_info - ab8500 regulator information * @dev: device pointer @@ -344,8 +794,7 @@ static struct of_regulator_match ab8500_ext_regulator_match[] = { static int ab8500_ext_regulator_probe(struct platform_device *pdev) { struct ab8500 *ab8500 = dev_get_drvdata(pdev->dev.parent); - struct ab8500_platform_data *ppdata; - struct ab8500_regulator_platform_data *pdata; + struct ab8500_regulator_platform_data *pdata = &ab8500_regulator_plat_data; struct device_node *np = pdev->dev.of_node; struct regulator_config config = { }; int i, err; @@ -366,18 +815,6 @@ static int ab8500_ext_regulator_probe(struct platform_device *pdev) return -EINVAL; } - ppdata = dev_get_platdata(ab8500->dev); - if (!ppdata) { - dev_err(&pdev->dev, "null parent pdata\n"); - return -EINVAL; - } - - pdata = ppdata->regulator; - if (!pdata) { - dev_err(&pdev->dev, "null pdata\n"); - return -EINVAL; - } - /* make sure the platform data has the correct size */ if (pdata->num_ext_regulator != ARRAY_SIZE(ab8500_ext_regulator_info)) { dev_err(&pdev->dev, "Configuration error: size mismatch.\n"); diff --git a/drivers/soc/Kconfig b/drivers/soc/Kconfig index 91d5c05d395f..fe42a2fdf351 100644 --- a/drivers/soc/Kconfig +++ b/drivers/soc/Kconfig @@ -9,6 +9,7 @@ source "drivers/soc/samsung/Kconfig" source "drivers/soc/sunxi/Kconfig" source "drivers/soc/tegra/Kconfig" source "drivers/soc/ti/Kconfig" +source "drivers/soc/ux500/Kconfig" source "drivers/soc/versatile/Kconfig" endmenu diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile index b75e3bd0a01e..50c23d0bd457 100644 --- a/drivers/soc/Makefile +++ b/drivers/soc/Makefile @@ -14,4 +14,5 @@ obj-$(CONFIG_SOC_SAMSUNG) += samsung/ obj-$(CONFIG_ARCH_SUNXI) += sunxi/ obj-$(CONFIG_ARCH_TEGRA) += tegra/ obj-$(CONFIG_SOC_TI) += ti/ +obj-$(CONFIG_ARCH_U8500) += ux500/ obj-$(CONFIG_PLAT_VERSATILE) += versatile/ diff --git a/drivers/soc/ux500/Kconfig b/drivers/soc/ux500/Kconfig new file mode 100644 index 000000000000..025a44aef5db --- /dev/null +++ b/drivers/soc/ux500/Kconfig @@ -0,0 +1,7 @@ +config UX500_SOC_ID + bool "SoC bus for ST-Ericsson ux500" + depends on ARCH_U8500 || COMPILE_TEST + default ARCH_U8500 + help + Include support for the SoC bus on the ARM RealView platforms + providing some sysfs information about the ASIC variant. diff --git a/drivers/soc/ux500/Makefile b/drivers/soc/ux500/Makefile new file mode 100644 index 000000000000..0b87ad04b018 --- /dev/null +++ b/drivers/soc/ux500/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_UX500_SOC_ID) += ux500-soc-id.o diff --git a/drivers/soc/ux500/ux500-soc-id.c b/drivers/soc/ux500/ux500-soc-id.c new file mode 100644 index 000000000000..6c1be74e5fcc --- /dev/null +++ b/drivers/soc/ux500/ux500-soc-id.c @@ -0,0 +1,222 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson + * License terms: GNU General Public License (GPL) version 2 + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/module.h> +#include <linux/random.h> +#include <linux/slab.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/sys_soc.h> + +#include <asm/cputype.h> +#include <asm/tlbflush.h> +#include <asm/cacheflush.h> +#include <asm/mach/map.h> + +/** + * struct dbx500_asic_id - fields of the ASIC ID + * @process: the manufacturing process, 0x40 is 40 nm 0x00 is "standard" + * @partnumber: hithereto 0x8500 for DB8500 + * @revision: version code in the series + */ +struct dbx500_asic_id { + u16 partnumber; + u8 revision; + u8 process; +}; + +static struct dbx500_asic_id dbx500_id; + +static unsigned int __init ux500_read_asicid(phys_addr_t addr) +{ + void __iomem *virt = ioremap(addr, 4); + unsigned int asicid; + + if (!virt) + return 0; + + asicid = readl(virt); + iounmap(virt); + + return asicid; +} + +static void ux500_print_soc_info(unsigned int asicid) +{ + unsigned int rev = dbx500_id.revision; + + pr_info("DB%4x ", dbx500_id.partnumber); + + if (rev == 0x01) + pr_cont("Early Drop"); + else if (rev >= 0xA0) + pr_cont("v%d.%d" , (rev >> 4) - 0xA + 1, rev & 0xf); + else + pr_cont("Unknown"); + + pr_cont(" [%#010x]\n", asicid); +} + +static unsigned int partnumber(unsigned int asicid) +{ + return (asicid >> 8) & 0xffff; +} + +/* + * SOC MIDR ASICID ADDRESS ASICID VALUE + * DB8500ed 0x410fc090 0x9001FFF4 0x00850001 + * DB8500v1 0x411fc091 0x9001FFF4 0x008500A0 + * DB8500v1.1 0x411fc091 0x9001FFF4 0x008500A1 + * DB8500v2 0x412fc091 0x9001DBF4 0x008500B0 + * DB8520v2.2 0x412fc091 0x9001DBF4 0x008500B2 + * DB5500v1 0x412fc091 0x9001FFF4 0x005500A0 + * DB9540 0x413fc090 0xFFFFDBF4 0x009540xx + */ + +static void __init ux500_setup_id(void) +{ + unsigned int cpuid = read_cpuid_id(); + unsigned int asicid = 0; + phys_addr_t addr = 0; + + switch (cpuid) { + case 0x410fc090: /* DB8500ed */ + case 0x411fc091: /* DB8500v1 */ + addr = 0x9001FFF4; + break; + + case 0x412fc091: /* DB8520 / DB8500v2 / DB5500v1 */ + asicid = ux500_read_asicid(0x9001DBF4); + if (partnumber(asicid) == 0x8500 || + partnumber(asicid) == 0x8520) + /* DB8500v2 */ + break; + + /* DB5500v1 */ + addr = 0x9001FFF4; + break; + + case 0x413fc090: /* DB9540 */ + addr = 0xFFFFDBF4; + break; + } + + if (addr) + asicid = ux500_read_asicid(addr); + + if (!asicid) { + pr_err("Unable to identify SoC\n"); + BUG(); + } + + dbx500_id.process = asicid >> 24; + dbx500_id.partnumber = partnumber(asicid); + dbx500_id.revision = asicid & 0xff; + + ux500_print_soc_info(asicid); +} + +static const char * __init ux500_get_machine(void) +{ + return kasprintf(GFP_KERNEL, "DB%4x", dbx500_id.partnumber); +} + +static const char * __init ux500_get_family(void) +{ + return kasprintf(GFP_KERNEL, "ux500"); +} + +static const char * __init ux500_get_revision(void) +{ + unsigned int rev = dbx500_id.revision; + + if (rev == 0x01) + return kasprintf(GFP_KERNEL, "%s", "ED"); + else if (rev >= 0xA0) + return kasprintf(GFP_KERNEL, "%d.%d", + (rev >> 4) - 0xA + 1, rev & 0xf); + + return kasprintf(GFP_KERNEL, "%s", "Unknown"); +} + +static ssize_t ux500_get_process(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + if (dbx500_id.process == 0x00) + return sprintf(buf, "Standard\n"); + + return sprintf(buf, "%02xnm\n", dbx500_id.process); +} + +static const char *db8500_read_soc_id(struct device_node *backupram) +{ + void __iomem *base; + void __iomem *uid; + const char *retstr; + + base = of_iomap(backupram, 0); + if (!base) + return NULL; + uid = base + 0x1fc0; + + /* Throw these device-specific numbers into the entropy pool */ + add_device_randomness(uid, 0x14); + retstr = kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x", + readl((u32 *)uid+0), + readl((u32 *)uid+1), readl((u32 *)uid+2), + readl((u32 *)uid+3), readl((u32 *)uid+4)); + iounmap(base); + return retstr; +} + +static void __init soc_info_populate(struct soc_device_attribute *soc_dev_attr, + struct device_node *backupram) +{ + soc_dev_attr->soc_id = db8500_read_soc_id(backupram); + soc_dev_attr->machine = ux500_get_machine(); + soc_dev_attr->family = ux500_get_family(); + soc_dev_attr->revision = ux500_get_revision(); +} + +static const struct device_attribute ux500_soc_attr = + __ATTR(process, S_IRUGO, ux500_get_process, NULL); + +static int __init ux500_soc_device_init(void) +{ + struct device *parent; + struct soc_device *soc_dev; + struct soc_device_attribute *soc_dev_attr; + struct device_node *backupram; + + backupram = of_find_compatible_node(NULL, NULL, "ste,dbx500-backupram"); + if (!backupram) + return 0; + + ux500_setup_id(); + + soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); + if (!soc_dev_attr) + return -ENOMEM; + + soc_info_populate(soc_dev_attr, backupram); + + soc_dev = soc_device_register(soc_dev_attr); + if (IS_ERR(soc_dev)) { + kfree(soc_dev_attr); + return PTR_ERR(soc_dev); + } + + parent = soc_device_to_device(soc_dev); + device_create_file(parent, &ux500_soc_attr); + + return 0; +} +subsys_initcall(ux500_soc_device_init); |
