diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 94 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 261 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-pltfm.c | 3 | ||||
| -rw-r--r-- | drivers/net/fec.c | 125 | ||||
| -rw-r--r-- | drivers/net/ibm_newemac/core.c | 33 | ||||
| -rw-r--r-- | drivers/net/ibm_newemac/emac.h | 19 | ||||
| -rw-r--r-- | drivers/net/ibm_newemac/phy.c | 7 | ||||
| -rw-r--r-- | drivers/of/of_net.c | 45 | ||||
| -rw-r--r-- | drivers/tty/serial/imx.c | 166 |
9 files changed, 598 insertions, 155 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 1ea47db..1eb60de 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -32,6 +32,8 @@ #include <linux/slab.h> #include <linux/platform_device.h> #include <linux/dmaengine.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <asm/irq.h> #include <mach/sdma.h> @@ -65,8 +67,8 @@ #define SDMA_ONCE_RTB 0x060 #define SDMA_XTRIG_CONF1 0x070 #define SDMA_XTRIG_CONF2 0x074 -#define SDMA_CHNENBL0_V2 0x200 -#define SDMA_CHNENBL0_V1 0x080 +#define SDMA_CHNENBL0_IMX35 0x200 +#define SDMA_CHNENBL0_IMX31 0x080 #define SDMA_CHNPRI_0 0x100 /* @@ -299,13 +301,18 @@ struct sdma_firmware_header { u32 ram_code_size; }; +enum sdma_devtype { + IMX31_SDMA, /* runs on i.mx31 */ + IMX35_SDMA, /* runs on i.mx35 and later */ +}; + struct sdma_engine { struct device *dev; struct device_dma_parameters dma_parms; struct sdma_channel channel[MAX_DMA_CHANNELS]; struct sdma_channel_control *channel_control; void __iomem *regs; - unsigned int version; + enum sdma_devtype devtype; unsigned int num_events; struct sdma_context_data *context; dma_addr_t context_phys; @@ -314,6 +321,26 @@ struct sdma_engine { struct sdma_script_start_addrs *script_addrs; }; +static struct platform_device_id sdma_devtypes[] = { + { + .name = "imx31-sdma", + .driver_data = IMX31_SDMA, + }, { + .name = "imx35-sdma", + .driver_data = IMX35_SDMA, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, sdma_devtypes); + +static const struct of_device_id sdma_dt_ids[] = { + { .compatible = "fsl,imx31-sdma", .data = &sdma_devtypes[IMX31_SDMA], }, + { .compatible = "fsl,imx35-sdma", .data = &sdma_devtypes[IMX35_SDMA], }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, sdma_dt_ids); + #define SDMA_H_CONFIG_DSPDMA (1 << 12) /* indicates if the DSPDMA is used */ #define SDMA_H_CONFIG_RTD_PINS (1 << 11) /* indicates if Real-Time Debug pins are enabled */ #define SDMA_H_CONFIG_ACR (1 << 4) /* indicates if AHB freq /core freq = 2 or 1 */ @@ -321,8 +348,8 @@ struct sdma_engine { static inline u32 chnenbl_ofs(struct sdma_engine *sdma, unsigned int event) { - u32 chnenbl0 = (sdma->version == 2 ? SDMA_CHNENBL0_V2 : SDMA_CHNENBL0_V1); - + u32 chnenbl0 = (sdma->devtype == IMX31_SDMA ? SDMA_CHNENBL0_IMX31 : + SDMA_CHNENBL0_IMX35); return chnenbl0 + event * 4; } @@ -1108,22 +1135,14 @@ static int __init sdma_get_firmware(struct sdma_engine *sdma, const char *fw_name) { const struct firmware *fw; - char *fwname; const struct sdma_firmware_header *header; int ret; const struct sdma_script_start_addrs *addr; unsigned short *ram_code; - fwname = kasprintf(GFP_KERNEL, "%s", fw_name); - if (!fwname) - return -ENOMEM; - - ret = request_firmware(&fw, fwname, sdma->dev); - if (ret) { - kfree(fwname); + ret = request_firmware(&fw, fw_name, sdma->dev); + if (ret) return ret; - } - kfree(fwname); if (fw->size < sizeof(*header)) goto err_firmware; @@ -1162,15 +1181,16 @@ static int __init sdma_init(struct sdma_engine *sdma) int i, ret; dma_addr_t ccb_phys; - switch (sdma->version) { - case 1: + switch (sdma->devtype) { + case IMX31_SDMA: sdma->num_events = 32; break; - case 2: + case IMX35_SDMA: sdma->num_events = 48; break; default: - dev_err(sdma->dev, "Unknown version %d. aborting\n", sdma->version); + dev_err(sdma->dev, "Unknown sdma type %d. aborting\n", + sdma->devtype); return -ENODEV; } @@ -1239,6 +1259,10 @@ err_dma_alloc: static int __init sdma_probe(struct platform_device *pdev) { + const struct of_device_id *of_id = + of_match_device(sdma_dt_ids, &pdev->dev); + struct device_node *np = pdev->dev.of_node; + const char *fw_name; int ret; int irq; struct resource *iores; @@ -1254,7 +1278,7 @@ static int __init sdma_probe(struct platform_device *pdev) iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (!iores || irq < 0 || !pdata) { + if (!iores || irq < 0) { ret = -EINVAL; goto err_irq; } @@ -1284,7 +1308,9 @@ static int __init sdma_probe(struct platform_device *pdev) if (!sdma->script_addrs) goto err_alloc; - sdma->version = pdata->sdma_version; + if (of_id) + pdev->id_entry = of_id->data; + sdma->devtype = pdev->id_entry->driver_data; dma_cap_set(DMA_SLAVE, sdma->dma_device.cap_mask); dma_cap_set(DMA_CYCLIC, sdma->dma_device.cap_mask); @@ -1314,10 +1340,30 @@ static int __init sdma_probe(struct platform_device *pdev) if (ret) goto err_init; - if (pdata->script_addrs) + if (pdata && pdata->script_addrs) sdma_add_scripts(sdma, pdata->script_addrs); - sdma_get_firmware(sdma, pdata->fw_name); + if (pdata) { + sdma_get_firmware(sdma, pdata->fw_name); + } else { + /* + * Because that device tree does not encode ROM script address, + * the RAM script in firmware is mandatory for device tree + * probe, otherwise it fails. + */ + ret = of_property_read_string(np, "fsl,sdma-ram-script-name", + &fw_name); + if (ret) { + dev_err(&pdev->dev, "failed to get firmware name\n"); + goto err_init; + } + + ret = sdma_get_firmware(sdma, fw_name); + if (ret) { + dev_err(&pdev->dev, "failed to get firmware\n"); + goto err_init; + } + } sdma->dma_device.dev = &pdev->dev; @@ -1365,7 +1411,9 @@ static int __exit sdma_remove(struct platform_device *pdev) static struct platform_driver sdma_driver = { .driver = { .name = "imx-sdma", + .of_match_table = sdma_dt_ids, }, + .id_table = sdma_devtypes, .remove = __exit_p(sdma_remove), }; diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 710b706..9ebfb4b 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -20,7 +20,9 @@ #include <linux/mmc/host.h> #include <linux/mmc/mmc.h> #include <linux/mmc/sdio.h> -#include <mach/hardware.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> #include <mach/esdhc.h> #include "sdhci-pltfm.h" #include "sdhci-esdhc.h" @@ -29,7 +31,6 @@ #define SDHCI_VENDOR_SPEC 0xC0 #define SDHCI_VENDOR_SPEC_SDIO_QUIRK 0x00000002 -#define ESDHC_FLAG_GPIO_FOR_CD (1 << 0) /* * The CMDTYPE of the CMD register (offset 0xE) should be set to * "11" when the STOP CMD12 is issued on imx53 to abort one @@ -43,10 +44,67 @@ */ #define ESDHC_FLAG_MULTIBLK_NO_INT (1 << 1) +enum imx_esdhc_type { + IMX25_ESDHC, + IMX35_ESDHC, + IMX51_ESDHC, + IMX53_ESDHC, +}; + struct pltfm_imx_data { int flags; u32 scratchpad; + enum imx_esdhc_type devtype; + struct esdhc_platform_data boarddata; +}; + +static struct platform_device_id imx_esdhc_devtype[] = { + { + .name = "sdhci-esdhc-imx25", + .driver_data = IMX25_ESDHC, + }, { + .name = "sdhci-esdhc-imx35", + .driver_data = IMX35_ESDHC, + }, { + .name = "sdhci-esdhc-imx51", + .driver_data = IMX51_ESDHC, + }, { + .name = "sdhci-esdhc-imx53", + .driver_data = IMX53_ESDHC, + }, { + /* sentinel */ + } }; +MODULE_DEVICE_TABLE(platform, imx_esdhc_devtype); + +static const struct of_device_id imx_esdhc_dt_ids[] = { + { .compatible = "fsl,imx25-esdhc", .data = &imx_esdhc_devtype[IMX25_ESDHC], }, + { .compatible = "fsl,imx35-esdhc", .data = &imx_esdhc_devtype[IMX35_ESDHC], }, + { .compatible = "fsl,imx51-esdhc", .data = &imx_esdhc_devtype[IMX51_ESDHC], }, + { .compatible = "fsl,imx53-esdhc", .data = &imx_esdhc_devtype[IMX53_ESDHC], }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_esdhc_dt_ids); + +static inline int is_imx25_esdhc(struct pltfm_imx_data *data) +{ + return data->devtype == IMX25_ESDHC; +} + +static inline int is_imx35_esdhc(struct pltfm_imx_data *data) +{ + return data->devtype == IMX35_ESDHC; +} + +static inline int is_imx51_esdhc(struct pltfm_imx_data *data) +{ + return data->devtype == IMX51_ESDHC; +} + +static inline int is_imx53_esdhc(struct pltfm_imx_data *data) +{ + return data->devtype == IMX53_ESDHC; +} static inline void esdhc_clrset_le(struct sdhci_host *host, u32 mask, u32 val, int reg) { @@ -60,17 +118,14 @@ static u32 esdhc_readl_le(struct sdhci_host *host, int reg) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct pltfm_imx_data *imx_data = pltfm_host->priv; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; - /* fake CARD_PRESENT flag on mx25/35 */ + /* fake CARD_PRESENT flag */ u32 val = readl(host->ioaddr + reg); if (unlikely((reg == SDHCI_PRESENT_STATE) - && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD))) { - struct esdhc_platform_data *boarddata = - host->mmc->parent->platform_data; - - if (boarddata && gpio_is_valid(boarddata->cd_gpio) - && gpio_get_value(boarddata->cd_gpio)) + && gpio_is_valid(boarddata->cd_gpio))) { + if (gpio_get_value(boarddata->cd_gpio)) /* no card, if a valid gpio says so... */ val &= ~SDHCI_CARD_PRESENT; else @@ -85,12 +140,12 @@ static void esdhc_writel_le(struct sdhci_host *host, u32 val, int reg) { struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct pltfm_imx_data *imx_data = pltfm_host->priv; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; if (unlikely((reg == SDHCI_INT_ENABLE || reg == SDHCI_SIGNAL_ENABLE) - && (imx_data->flags & ESDHC_FLAG_GPIO_FOR_CD))) + && (boarddata->cd_type == ESDHC_CD_GPIO))) /* * these interrupts won't work with a custom card_detect gpio - * (only applied to mx25/35) */ val &= ~(SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT); @@ -173,6 +228,17 @@ static void esdhc_writeb_le(struct sdhci_host *host, u8 val, int reg) return; } esdhc_clrset_le(host, 0xff, val, reg); + + /* + * The esdhc has a design violation to SDHC spec which tells + * that software reset should not affect card detection circuit. + * But esdhc clears its SYSCTL register bits [0..2] during the + * software reset. This will stop those clocks that card detection + * circuit relies on. To work around it, we turn the clocks on back + * to keep card detection circuit functional. + */ + if ((reg == SDHCI_SOFTWARE_RESET) && (val & 1)) + esdhc_clrset_le(host, 0x7, 0x7, ESDHC_SYSTEM_CONTROL); } static unsigned int esdhc_pltfm_get_max_clock(struct sdhci_host *host) @@ -189,6 +255,26 @@ static unsigned int esdhc_pltfm_get_min_clock(struct sdhci_host *host) return clk_get_rate(pltfm_host->clk) / 256 / 16; } +static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) +{ + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); + struct pltfm_imx_data *imx_data = pltfm_host->priv; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; + + switch (boarddata->wp_type) { + case ESDHC_WP_GPIO: + if (gpio_is_valid(boarddata->wp_gpio)) + return gpio_get_value(boarddata->wp_gpio); + case ESDHC_WP_CONTROLLER: + return !(readl(host->ioaddr + SDHCI_PRESENT_STATE) & + SDHCI_WRITE_PROTECT); + case ESDHC_WP_NONE: + break; + } + + return -ENOSYS; +} + static struct sdhci_ops sdhci_esdhc_ops = { .read_l = esdhc_readl_le, .read_w = esdhc_readw_le, @@ -198,6 +284,7 @@ static struct sdhci_ops sdhci_esdhc_ops = { .set_clock = esdhc_set_clock, .get_max_clock = esdhc_pltfm_get_max_clock, .get_min_clock = esdhc_pltfm_get_min_clock, + .get_ro = esdhc_pltfm_get_ro, }; static struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { @@ -207,17 +294,6 @@ static struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = { .ops = &sdhci_esdhc_ops, }; -static unsigned int esdhc_pltfm_get_ro(struct sdhci_host *host) -{ - struct esdhc_platform_data *boarddata = - host->mmc->parent->platform_data; - - if (boarddata && gpio_is_valid(boarddata->wp_gpio)) - return gpio_get_value(boarddata->wp_gpio); - else - return -ENOSYS; -} - static irqreturn_t cd_irq(int irq, void *data) { struct sdhci_host *sdhost = (struct sdhci_host *)data; @@ -226,8 +302,48 @@ static irqreturn_t cd_irq(int irq, void *data) return IRQ_HANDLED; }; +#ifdef CONFIG_OF +static int __devinit +sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, + struct esdhc_platform_data *boarddata) +{ + struct device_node *np = pdev->dev.of_node; + + if (!np) + return -ENODEV; + + if (of_get_property(np, "fsl,card-wired", NULL)) + boarddata->cd_type = ESDHC_CD_PERMANENT; + + if (of_get_property(np, "fsl,cd-controller", NULL)) + boarddata->cd_type = ESDHC_CD_CONTROLLER; + + if (of_get_property(np, "fsl,wp-controller", NULL)) + boarddata->wp_type = ESDHC_WP_CONTROLLER; + + boarddata->cd_gpio = of_get_named_gpio(np, "cd-gpios", 0); + if (gpio_is_valid(boarddata->cd_gpio)) + boarddata->cd_type = ESDHC_CD_GPIO; + + boarddata->wp_gpio = of_get_named_gpio(np, "wp-gpios", 0); + if (gpio_is_valid(boarddata->wp_gpio)) + boarddata->wp_type = ESDHC_WP_GPIO; + + return 0; +} +#else +static inline int +sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, + struct esdhc_platform_data *boarddata) +{ + return -ENODEV; +} +#endif + static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) { + const struct of_device_id *of_id = + of_match_device(imx_esdhc_dt_ids, &pdev->dev); struct sdhci_pltfm_host *pltfm_host; struct sdhci_host *host; struct esdhc_platform_data *boarddata; @@ -242,8 +358,14 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) pltfm_host = sdhci_priv(host); imx_data = kzalloc(sizeof(struct pltfm_imx_data), GFP_KERNEL); - if (!imx_data) - return -ENOMEM; + if (!imx_data) { + err = -ENOMEM; + goto err_imx_data; + } + + if (of_id) + pdev->id_entry = of_id->data; + imx_data->devtype = pdev->id_entry->driver_data; pltfm_host->priv = imx_data; clk = clk_get(mmc_dev(host->mmc), NULL); @@ -255,50 +377,72 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) clk_enable(clk); pltfm_host->clk = clk; - if (!cpu_is_mx25()) + if (!is_imx25_esdhc(imx_data)) host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; - if (cpu_is_mx25() || cpu_is_mx35()) { + if (is_imx25_esdhc(imx_data) || is_imx35_esdhc(imx_data)) /* Fix errata ENGcm07207 present on i.MX25 and i.MX35 */ host->quirks |= SDHCI_QUIRK_NO_MULTIBLOCK; - /* write_protect can't be routed to controller, use gpio */ - sdhci_esdhc_ops.get_ro = esdhc_pltfm_get_ro; - } - if (!(cpu_is_mx25() || cpu_is_mx35() || cpu_is_mx51())) + if (is_imx53_esdhc(imx_data)) imx_data->flags |= ESDHC_FLAG_MULTIBLK_NO_INT; - boarddata = host->mmc->parent->platform_data; - if (boarddata) { + boarddata = &imx_data->boarddata; + if (sdhci_esdhc_imx_probe_dt(pdev, boarddata) < 0) { + if (!host->mmc->parent->platform_data) { + dev_err(mmc_dev(host->mmc), "no board data!\n"); + err = -EINVAL; + goto no_board_data; + } + imx_data->boarddata = *((struct esdhc_platform_data *) + host->mmc->parent->platform_data); + } + + /* write_protect */ + if (boarddata->wp_type == ESDHC_WP_GPIO) { err = gpio_request_one(boarddata->wp_gpio, GPIOF_IN, "ESDHC_WP"); if (err) { dev_warn(mmc_dev(host->mmc), - "no write-protect pin available!\n"); - boarddata->wp_gpio = err; + "no write-protect pin available!\n"); + boarddata->wp_gpio = -EINVAL; } + } else { + boarddata->wp_gpio = -EINVAL; + } + + /* card_detect */ + if (boarddata->cd_type != ESDHC_CD_GPIO) + boarddata->cd_gpio = -EINVAL; + switch (boarddata->cd_type) { + case ESDHC_CD_GPIO: err = gpio_request_one(boarddata->cd_gpio, GPIOF_IN, "ESDHC_CD"); if (err) { - dev_warn(mmc_dev(host->mmc), + dev_err(mmc_dev(host->mmc), "no card-detect pin available!\n"); goto no_card_detect_pin; } - /* i.MX5x has issues to be researched */ - if (!cpu_is_mx25() && !cpu_is_mx35()) - goto not_supported; - err = request_irq(gpio_to_irq(boarddata->cd_gpio), cd_irq, IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, mmc_hostname(host->mmc), host); if (err) { - dev_warn(mmc_dev(host->mmc), "request irq error\n"); + dev_err(mmc_dev(host->mmc), "request irq error\n"); goto no_card_detect_irq; } + /* fall through */ - imx_data->flags |= ESDHC_FLAG_GPIO_FOR_CD; - /* Now we have a working card_detect again */ + case ESDHC_CD_CONTROLLER: + /* we have a working card_detect back */ host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION; + break; + + case ESDHC_CD_PERMANENT: + host->mmc->caps = MMC_CAP_NONREMOVABLE; + break; + + case ESDHC_CD_NONE: + break; } err = sdhci_add_host(host); @@ -307,16 +451,21 @@ static int __devinit sdhci_esdhc_imx_probe(struct platform_device *pdev) return 0; - no_card_detect_irq: - gpio_free(boarddata->cd_gpio); - no_card_detect_pin: - boarddata->cd_gpio = err; - not_supported: - kfree(imx_data); - err_add_host: +err_add_host: + if (gpio_is_valid(boarddata->cd_gpio)) + free_irq(gpio_to_irq(boarddata->cd_gpio), host); +no_card_detect_irq: + if (gpio_is_valid(boarddata->cd_gpio)) + gpio_free(boarddata->cd_gpio); + if (gpio_is_valid(boarddata->wp_gpio)) + gpio_free(boarddata->wp_gpio); +no_card_detect_pin: +no_board_data: clk_disable(pltfm_host->clk); clk_put(pltfm_host->clk); - err_clk_get: +err_clk_get: + kfree(imx_data); +err_imx_data: sdhci_pltfm_free(pdev); return err; } @@ -325,20 +474,18 @@ static int __devexit sdhci_esdhc_imx_remove(struct platform_device *pdev) { struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct esdhc_platform_data *boarddata = host->mmc->parent->platform_data; struct pltfm_imx_data *imx_data = pltfm_host->priv; + struct esdhc_platform_data *boarddata = &imx_data->boarddata; int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff); sdhci_remove_host(host, dead); - if (boarddata && gpio_is_valid(boarddata->wp_gpio)) + if (gpio_is_valid(boarddata->wp_gpio)) gpio_free(boarddata->wp_gpio); - if (boarddata && gpio_is_valid(boarddata->cd_gpio)) { + if (gpio_is_valid(boarddata->cd_gpio)) { + free_irq(gpio_to_irq(boarddata->cd_gpio), host); gpio_free(boarddata->cd_gpio); - - if (!(host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)) - free_irq(gpio_to_irq(boarddata->cd_gpio), host); } clk_disable(pltfm_host->clk); @@ -354,7 +501,9 @@ static struct platform_driver sdhci_esdhc_imx_driver = { .driver = { .name = "sdhci-esdhc-imx", .owner = THIS_MODULE, + .of_match_table = imx_esdhc_dt_ids, }, + .id_table = imx_esdhc_devtype, .probe = sdhci_esdhc_imx_probe, .remove = __devexit_p(sdhci_esdhc_imx_remove), #ifdef CONFIG_PM diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 71c0ce1..6414efe 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -85,6 +85,7 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev, { struct sdhci_host *host; struct sdhci_pltfm_host *pltfm_host; + struct device_node *np = pdev->dev.of_node; struct resource *iomem; int ret; @@ -98,7 +99,7 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev, dev_err(&pdev->dev, "Invalid iomem size!\n"); /* Some PCI-based MFD need the parent here */ - if (pdev->dev.parent != &platform_bus) + if (pdev->dev.parent != &platform_bus && !np) host = sdhci_alloc_host(pdev->dev.parent, sizeof(*pltfm_host)); else host = sdhci_alloc_host(&pdev->dev, sizeof(*pltfm_host)); diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 5b631fe..e8266cc 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -44,6 +44,10 @@ #include <linux/platform_device.h> #include <linux/phy.h> #include <linux/fec.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/of_gpio.h> +#include <linux/of_net.h> #include <asm/cacheflush.h> @@ -66,17 +70,42 @@ #define FEC_QUIRK_ENET_MAC (1 << 0) /* Controller needs driver to swap frame */ #define FEC_QUIRK_SWAP_FRAME (1 << 1) +/* Controller uses gasket */ +#define FEC_QUIRK_USE_GASKET (1 << 2) static struct platform_device_id fec_devtype[] = { { + /* keep it for coldfire */ .name = DRIVER_NAME, .driver_data = 0, }, { + .name = "imx25-fec", + .driver_data = FEC_QUIRK_USE_GASKET, + }, { + .name = "imx27-fec", + .driver_data = 0, + }, { .name = "imx28-fec", .driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME, - }, - { } + }, { + /* sentinel */ + } }; +MODULE_DEVICE_TABLE(platform, fec_devtype); + +enum imx_fec_type { + IMX25_FEC = 1, /* runs on i.mx25/50/53 */ + IMX27_FEC, /* runs on i.mx27/35/51 */ + IMX28_FEC, +}; + +static const struct of_device_id fec_dt_ids[] = { + { .compatible = "fsl,imx25-fec", .data = &fec_devtype[IMX25_FEC], }, + { .compatible = "fsl,imx27-fec", .data = &fec_devtype[IMX27_FEC], }, + { .compatible = "fsl,imx28-fec", .data = &fec_devtype[IMX28_FEC], }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, fec_dt_ids); static unsigned char macaddr[ETH_ALEN]; module_param_array(macaddr, byte, NULL, 0); @@ -427,7 +456,7 @@ fec_restart(struct net_device *ndev, int duplex) } else { #ifdef FEC_MIIGSK_ENR - if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) { + if (id_entry->driver_data & FEC_QUIRK_USE_GASKET) { /* disable the gasket and wait */ writel(0, fep->hwp + FEC_MIIGSK_ENR); while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4) @@ -436,8 +465,11 @@ fec_restart(struct net_device *ndev, int duplex) /* * configure the gasket: * RMII, 50 MHz, no loopback, no echo + * MII, 25 MHz, no loopback, no echo */ - writel(1, fep->hwp + FEC_MIIGSK_CFGR); + writel((fep->phy_interface == PHY_INTERFACE_MODE_RMII) ? + 1 : 0, fep->hwp + FEC_MIIGSK_CFGR); + /* re-enable the gasket */ writel(2, fep->hwp + FEC_MIIGSK_ENR); @@ -734,8 +766,22 @@ static void __inline__ fec_get_mac(struct net_device *ndev) */ iap = macaddr; +#ifdef CONFIG_OF /* - * 2) from flash or fuse (via platform data) + * 2) from device tree data + */ + if (!is_valid_ether_addr(iap)) { + struct device_node *np = fep->pdev->dev.of_node; + if (np) { + const char *mac = of_get_mac_address(np); + if (mac) + iap = (unsigned char *) mac; + } + } +#endif + + /* + * 3) from flash or fuse (via platform data) */ if (!is_valid_ether_addr(iap)) { #ifdef CONFIG_M5272 @@ -748,7 +794,7 @@ static void __inline__ fec_get_mac(struct net_device *ndev) } /* - * 3) FEC mac registers set by bootloader + * 4) FEC mac registers set by bootloader */ if (!is_valid_ether_addr(iap)) { *((unsigned long *) &tmpaddr[0]) = @@ -1354,6 +1400,52 @@ static int fec_enet_init(struct net_device *ndev) return 0; } +#ifdef CONFIG_OF +static int __devinit fec_get_phy_mode_dt(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + + if (np) + return of_get_phy_mode(np); + + return -ENODEV; +} + +static int __devinit fec_reset_phy(struct platform_device *pdev) +{ + int err, phy_reset; + struct device_node *np = pdev->dev.of_node; + + if (!np) + return -ENODEV; + + phy_reset = of_get_named_gpio(np, "phy-reset-gpios", 0); + err = gpio_request_one(phy_reset, GPIOF_OUT_INIT_LOW, "phy-reset"); + if (err) { + pr_warn("FEC: failed to get gpio phy-reset: %d\n", err); + return err; + } + msleep(1); + gpio_set_value(phy_reset, 1); + + return 0; +} +#else /* CONFIG_OF */ +static inline int fec_get_phy_mode_dt(struct platform_device *pdev) +{ + return -ENODEV; +} + +static inline int fec_reset_phy(struct platform_device *pdev) +{ + /* + * In case of platform probe, the reset has been done + * by machine code. + */ + return 0; +} +#endif /* CONFIG_OF */ + static int __devinit fec_probe(struct platform_device *pdev) { @@ -1362,6 +1454,11 @@ fec_probe(struct platform_device *pdev) struct net_device *ndev; int i, irq, ret = 0; struct resource *r; + const struct of_device_id *of_id; + + of_id = of_match_device(fec_dt_ids, &pdev->dev); + if (of_id) + pdev->id_entry = of_id->data; r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) @@ -1393,9 +1490,18 @@ fec_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ndev); - pdata = pdev->dev.platform_data; - if (pdata) - fep->phy_interface = pdata->phy; + ret = fec_get_phy_mode_dt(pdev); + if (ret < 0) { + pdata = pdev->dev.platform_data; + if (pdata) + fep->phy_interface = pdata->phy; + else + fep->phy_interface = PHY_INTERFACE_MODE_MII; + } else { + fep->phy_interface = ret; + } + + fec_reset_phy(pdev); /* This device has up to three irqs on some platforms */ for (i = 0; i < 3; i++) { @@ -1530,6 +1636,7 @@ static struct platform_driver fec_driver = { #ifdef CONFIG_PM .pm = &fec_pm_ops, #endif + .of_match_table = fec_dt_ids, }, .id_table = fec_devtype, .probe = fec_probe, diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c index 725399e..70cb7d8 100644 --- a/drivers/net/ibm_newemac/core.c +++ b/drivers/net/ibm_newemac/core.c @@ -39,6 +39,7 @@ #include <linux/bitops.h> #include <linux/workqueue.h> #include <linux/of.h> +#include <linux/of_net.h> #include <linux/slab.h> #include <asm/processor.h> @@ -2506,18 +2507,6 @@ static int __devinit emac_init_config(struct emac_instance *dev) { struct device_node *np = dev->ofdev->dev.of_node; const void *p; - unsigned int plen; - const char *pm, *phy_modes[] = { - [PHY_MODE_NA] = "", - [PHY_MODE_MII] = "mii", - [PHY_MODE_RMII] = "rmii", - [PHY_MODE_SMII] = "smii", - [PHY_MODE_RGMII] = "rgmii", - [PHY_MODE_TBI] = "tbi", - [PHY_MODE_GMII] = "gmii", - [PHY_MODE_RTBI] = "rtbi", - [PHY_MODE_SGMII] = "sgmii", - }; /* Read config from device-tree */ if (emac_read_uint_prop(np, "mal-device", &dev->mal_ph, 1)) @@ -2566,23 +2555,9 @@ static int __devinit emac_init_config(struct emac_instance *dev) dev->mal_burst_size = 256; /* PHY mode needs some decoding */ - dev->phy_mode = PHY_MODE_NA; - pm = of_get_property(np, "phy-mode", &plen); - if (pm != NULL) { - int i; - for (i = 0; i < ARRAY_SIZE(phy_modes); i++) - if (!strcasecmp(pm, phy_modes[i])) { - dev->phy_mode = i; - break; - } - } - - /* Backward compat with non-final DT */ - if (dev->phy_mode == PHY_MODE_NA && pm != NULL && plen == 4) { - u32 nmode = *(const u32 *)pm; - if (nmode > PHY_MODE_NA && nmode <= PHY_MODE_SGMII) - dev->phy_mode = nmode; - } + dev->phy_mode = of_get_phy_mode(np); + if (dev->phy_mode < 0) + dev->phy_mode = PHY_MODE_NA; /* Check EMAC version */ if (of_device_is_compatible(np, "ibm,emac4sync")) { diff --git a/drivers/net/ibm_newemac/emac.h b/drivers/net/ibm_newemac/emac.h index 8a61b59..1568278 100644 --- a/drivers/net/ibm_newemac/emac.h +++ b/drivers/net/ibm_newemac/emac.h @@ -26,6 +26,7 @@ #define __IBM_NEWEMAC_H #include <linux/types.h> +#include <linux/phy.h> /* EMAC registers Write Access rules */ struct emac_regs { @@ -106,15 +107,15 @@ struct emac_regs { /* * PHY mode settings (EMAC <-> ZMII/RGMII bridge <-> PHY) */ -#define PHY_MODE_NA 0 -#define PHY_MODE_MII 1 -#define PHY_MODE_RMII 2 -#define PHY_MODE_SMII 3 -#define PHY_MODE_RGMII 4 -#define PHY_MODE_TBI 5 -#define PHY_MODE_GMII 6 -#define PHY_MODE_RTBI 7 -#define PHY_MODE_SGMII 8 +#define PHY_MODE_NA PHY_INTERFACE_MODE_NA +#define PHY_MODE_MII PHY_INTERFACE_MODE_MII +#define PHY_MODE_RMII PHY_INTERFACE_MODE_RMII +#define PHY_MODE_SMII PHY_INTERFACE_MODE_SMII +#define PHY_MODE_RGMII PHY_INTERFACE_MODE_RGMII +#define PHY_MODE_TBI PHY_INTERFACE_MODE_TBI +#define PHY_MODE_GMII PHY_INTERFACE_MODE_GMII +#define PHY_MODE_RTBI PHY_INTERFACE_MODE_RTBI +#define PHY_MODE_SGMII PHY_INTERFACE_MODE_SGMII /* EMACx_MR0 */ #define EMAC_MR0_RXI 0x80000000 diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c index ac9d964..ab4e596 100644 --- a/drivers/net/ibm_newemac/phy.c +++ b/drivers/net/ibm_newemac/phy.c @@ -28,12 +28,15 @@ #include "emac.h" #include "phy.h" -static inline int phy_read(struct mii_phy *phy, int reg) +#define phy_read _phy_read +#define phy_write _phy_write + +static inline int _phy_read(struct mii_phy *phy, int reg) { return phy->mdio_read(phy->dev, phy->address, reg); } -static inline void phy_write(struct mii_phy *phy, int reg, int val) +static inline void _phy_write(struct mii_phy *phy, int reg, int val) { phy->mdio_write(phy->dev, phy->address, reg, val); } diff --git a/drivers/of/of_net.c b/drivers/of/of_net.c index 86f334a..bb18471 100644 --- a/drivers/of/of_net.c +++ b/drivers/of/of_net.c @@ -8,6 +8,51 @@ #include <linux/etherdevice.h> #include <linux/kernel.h> #include <linux/of_net.h> +#include <linux/phy.h> + +/** + * It maps 'enum phy_interface_t' found in include/linux/phy.h + * into the device tree binding of 'phy-mode', so that Ethernet + * device driver can get phy interface from device tree. + */ +static const char *phy_modes[] = { + [PHY_INTERFACE_MODE_NA] = "", + [PHY_INTERFACE_MODE_MII] = "mii", + [PHY_INTERFACE_MODE_GMII] = "gmii", + [PHY_INTERFACE_MODE_SGMII] = "sgmii", + [PHY_INTERFACE_MODE_TBI] = "tbi", + [PHY_INTERFACE_MODE_RMII] = "rmii", + [PHY_INTERFACE_MODE_RGMII] = "rgmii", + [PHY_INTERFACE_MODE_RGMII_ID] = "rgmii-id", + [PHY_INTERFACE_MODE_RGMII_RXID] = "rgmii-rxid", + [PHY_INTERFACE_MODE_RGMII_TXID] = "rgmii-txid", + [PHY_INTERFACE_MODE_RTBI] = "rtbi", + [PHY_INTERFACE_MODE_SMII] = "smii", +}; + +/** + * of_get_phy_mode - Get phy mode for given device_node + * @np: Pointer to the given device_node + * + * The function gets phy interface string from property 'phy-mode', + * and return its index in phy_modes table, or errno in error case. + */ +const int of_get_phy_mode(struct device_node *np) +{ + const char *pm; + int err, i; + + err = of_property_read_string(np, "phy-mode", &pm); + if (err < 0) + return err; + + for (i = 0; i < ARRAY_SIZE(phy_modes); i++) + if (!strcasecmp(pm, phy_modes[i])) + return i; + + return -ENODEV; +} +EXPORT_SYMBOL_GPL(of_get_phy_mode); /** * Search the device tree for the best MAC address to use. 'mac-address' is diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 22fe801..827db76 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -45,10 +45,11 @@ #include <linux/delay.h> #include <linux/rational.h> #include <linux/slab.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <asm/io.h> #include <asm/irq.h> -#include <mach/hardware.h> #include <mach/imx-uart.h> /* Register definitions */ @@ -66,8 +67,9 @@ #define UBIR 0xa4 /* BRM Incremental Register */ #define UBMR 0xa8 /* BRM Modulator Register */ #define UBRC 0xac /* Baud Rate Count Register */ -#define MX2_ONEMS 0xb0 /* One Millisecond register */ -#define UTS (cpu_is_mx1() ? 0xd0 : 0xb4) /* UART Test Register */ +#define IMX21_ONEMS 0xb0 /* One Millisecond register */ +#define IMX1_UTS 0xd0 /* UART Test Register on i.mx1 */ +#define IMX21_UTS 0xb4 /* UART Test Register on all other i.mx*/ /* UART Control Register Bit Fields.*/ #define URXD_CHARRDY (1<<15) @@ -87,7 +89,7 @@ #define UCR1_RTSDEN (1<<5) /* RTS delta interrupt enable */ #define UCR1_SNDBRK (1<<4) /* Send break */ #define UCR1_TDMAEN (1<<3) /* Transmitter ready DMA enable */ -#define MX1_UCR1_UARTCLKEN (1<<2) /* UART clock enabled, mx1 only */ +#define IMX1_UCR1_UARTCLKEN (1<<2) /* UART clock enabled, i.mx1 only */ #define UCR1_DOZE (1<<1) /* Doze */ #define UCR1_UARTEN (1<<0) /* UART enabled */ #define UCR2_ESCI (1<<15) /* Escape seq interrupt enable */ @@ -113,9 +115,7 @@ #define UCR3_RXDSEN (1<<6) /* Receive status interrupt enable */ #define UCR3_AIRINTEN (1<<5) /* Async IR wake interrupt enable */ #define UCR3_AWAKEN (1<<4) /* Async wake interrupt enable */ -#define MX1_UCR3_REF25 (1<<3) /* Ref freq 25 MHz, only on mx1 */ -#define MX1_UCR3_REF30 (1<<2) /* Ref Freq 30 MHz, only on mx1 */ -#define MX2_UCR3_RXDMUXSEL (1<<2) /* RXD Muxed Input Select, on mx2/mx3 */ +#define IMX21_UCR3_RXDMUXSEL (1<<2) /* RXD Muxed Input Select */ #define UCR3_INVT (1<<1) /* Inverted Infrared transmission */ #define UCR3_BPEN (1<<0) /* Preset registers enable */ #define UCR4_CTSTL_SHF 10 /* CTS trigger level shift */ @@ -181,6 +181,18 @@ #define UART_NR 8 +/* i.mx21 type uart runs on all i.mx except i.mx1 */ +enum imx_uart_type { + IMX1_UART, + IMX21_UART, +}; + +/* device type dependent stuff */ +struct imx_uart_data { + unsigned uts_reg; + enum imx_uart_type devtype; +}; + struct imx_port { struct uart_port port; struct timer_list timer; @@ -192,6 +204,7 @@ struct imx_port { unsigned int irda_inv_tx:1; unsigned short trcv_delay; /* transceiver delay */ struct clk *clk; + struct imx_uart_data *devdata; }; #ifdef CONFIG_IRDA @@ -200,6 +213,52 @@ struct imx_port { #define USE_IRDA(sport) (0) #endif +static struct imx_uart_data imx_uart_devdata[] = { + [IMX1_UART] = { + .uts_reg = IMX1_UTS, + .devtype = IMX1_UART, + }, + [IMX21_UART] = { + .uts_reg = IMX21_UTS, + .devtype = IMX21_UART, + }, +}; + +static struct platform_device_id imx_uart_devtype[] = { + { + .name = "imx1-uart", + .driver_data = (kernel_ulong_t) &imx_uart_devdata[IMX1_UART], + }, { + .name = "imx21-uart", + .driver_data = (kernel_ulong_t) &imx_uart_devdata[IMX21_UART], + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, imx_uart_devtype); + +static struct of_device_id imx_uart_dt_ids[] = { + { .compatible = "fsl,imx1-uart", .data = &imx_uart_devdata[IMX1_UART], }, + { .compatible = "fsl,imx21-uart", .data = &imx_uart_devdata[IMX21_UART], }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_uart_dt_ids); + +static inline unsigned uts_reg(struct imx_port *sport) +{ + return sport->devdata->uts_reg; +} + +static inline int is_imx1_uart(struct imx_port *sport) +{ + return sport->devdata->devtype == IMX1_UART; +} + +static inline int is_imx21_uart(struct imx_port *sport) +{ + return sport->devdata->devtype == IMX21_UART; +} + /* * Handle any change of modem status signal since we were last called. */ @@ -326,7 +385,8 @@ static inline void imx_transmit_buffer(struct imx_port *sport) struct circ_buf *xmit = &sport->port.state->xmit; while (!uart_circ_empty(xmit) && - !(readl(sport->port.membase + UTS) & UTS_TXFULL)) { + !(readl(sport->port.membase + uts_reg(sport)) + & UTS_TXFULL)) { /* send xmit->buf[xmit->tail] * out the port here */ writel(xmit->buf[xmit->tail], sport->port.membase + URTX0); @@ -373,7 +433,7 @@ static void imx_start_tx(struct uart_port *port) writel(temp, sport->port.membase + UCR4); } - if (readl(sport->port.membase + UTS) & UTS_TXEMPTY) + if (readl(sport->port.membase + uts_reg(sport)) & UTS_TXEMPTY) imx_transmit_buffer(sport); } @@ -689,9 +749,9 @@ static int imx_startup(struct uart_port *port) } } - if (!cpu_is_mx1()) { + if (is_imx21_uart(sport)) { temp = readl(sport->port.membase + UCR3); - temp |= MX2_UCR3_RXDMUXSEL; + temp |= IMX21_UCR3_RXDMUXSEL; writel(temp, sport->port.membase + UCR3); } @@ -923,9 +983,9 @@ imx_set_termios(struct uart_port *port, struct ktermios *termios, writel(num, sport->port.membase + UBIR); writel(denom, sport->port.membase + UBMR); - if (!cpu_is_mx1()) + if (is_imx21_uart(sport)) writel(sport->port.uartclk / div / 1000, - sport->port.membase + MX2_ONEMS); + sport->port.membase + IMX21_ONEMS); writel(old_ucr1, sport->port.membase + UCR1); @@ -1041,7 +1101,7 @@ static void imx_console_putchar(struct uart_port *port, int ch) { struct imx_port *sport = (struct imx_port *)port; - while (readl(sport->port.membase + UTS) & UTS_TXFULL) + while (readl(sport->port.membase + uts_reg(sport)) & UTS_TXFULL) barrier(); writel(ch, sport->port.membase + URTX0); @@ -1062,8 +1122,8 @@ imx_console_write(struct console *co, const char *s, unsigned int count) ucr1 = old_ucr1 = readl(sport->port.membase + UCR1); old_ucr2 = readl(sport->port.membase + UCR2); - if (cpu_is_mx1()) - ucr1 |= MX1_UCR1_UARTCLKEN; + if (is_imx1_uart(sport)) + ucr1 |= IMX1_UCR1_UARTCLKEN; ucr1 |= UCR1_UARTEN; ucr1 &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN); @@ -1222,6 +1282,63 @@ static int serial_imx_resume(struct platform_device *dev) return 0; } +#ifdef CONFIG_OF +static int serial_imx_probe_dt(struct imx_port *sport, + struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + const struct of_device_id *of_id = + of_match_device(imx_uart_dt_ids, &pdev->dev); + int ret; + + if (!np) + return -ENODEV; + + ret = of_alias_get_id(np, "serial"); + if (ret < 0) { + pr_err("%s: failed to get alias id, errno %d\n", + __func__, ret); + return -ENODEV; + } else { + sport->port.line = ret; + } + + if (of_get_property(np, "fsl,uart-has-rtscts", NULL)) + sport->have_rtscts = 1; + + if (of_get_property(np, "fsl,irda-mode", NULL)) + sport->use_irda = 1; + + sport->devdata = of_id->data; + + return 0; +} +#else +static inline int serial_imx_probe_dt(struct imx_port *sport, + struct platform_device *pdev) +{ + return -ENODEV; +} +#endif + +static void serial_imx_probe_pdata(struct imx_port *sport, + struct platform_device *pdev) +{ + struct imxuart_platform_data *pdata = pdev->dev.platform_data; + + sport->port.line = pdev->id; + sport->devdata = (struct imx_uart_data *) pdev->id_entry->driver_data; + + if (!pdata) + return; + + if (pdata->flags & IMXUART_HAVE_RTSCTS) + sport->have_rtscts = 1; + + if (pdata->flags & IMXUART_IRDA) + sport->use_irda = 1; +} + static int serial_imx_probe(struct platform_device *pdev) { struct imx_port *sport; @@ -1234,6 +1351,10 @@ static int serial_imx_probe(struct platform_device *pdev) if (!sport) return -ENOMEM; + ret = serial_imx_probe_dt(sport, pdev); + if (ret == -ENODEV) + serial_imx_probe_pdata(sport, pdev); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { ret = -ENODEV; @@ -1258,7 +1379,6 @@ static int serial_imx_probe(struct platform_device *pdev) sport->port.fifosize = 32; sport->port.ops = &imx_pops; sport->port.flags = UPF_BOOT_AUTOCONF; - sport->port.line = pdev->id; init_timer(&sport->timer); sport->timer.function = imx_timeout; sport->timer.data = (unsigned long)sport; @@ -1272,17 +1392,9 @@ static int serial_imx_probe(struct platform_device *pdev) sport->port.uartclk = clk_get_rate(sport->clk); - imx_ports[pdev->id] = sport; + imx_ports[sport->port.line] = sport; pdata = pdev->dev.platform_data; - if (pdata && (pdata->flags & IMXUART_HAVE_RTSCTS)) - sport->have_rtscts = 1; - -#ifdef CONFIG_IRDA - if (pdata && (pdata->flags & IMXUART_IRDA)) - sport->use_irda = 1; -#endif - if (pdata && pdata->init) { ret = pdata->init(pdev); if (ret) @@ -1340,9 +1452,11 @@ static struct platform_driver serial_imx_driver = { .suspend = serial_imx_suspend, .resume = serial_imx_resume, + .id_table = imx_uart_devtype, .driver = { .name = "imx-uart", .owner = THIS_MODULE, + .of_match_table = imx_uart_dt_ids, }, }; |