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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/mach-pxa/cm-x270.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-pxa/cm-x270.c')
-rw-r--r-- | arch/arm/mach-pxa/cm-x270.c | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c new file mode 100644 index 000000000..be4a66166 --- /dev/null +++ b/arch/arm/mach-pxa/cm-x270.c @@ -0,0 +1,412 @@ +/* + * linux/arch/arm/mach-pxa/cm-x270.c + * + * Copyright (C) 2007, 2008 CompuLab, Ltd. + * Mike Rapoport <mike@compulab.co.il> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/platform_device.h> +#include <linux/irq.h> +#include <linux/gpio.h> +#include <linux/delay.h> + +#include <linux/platform_data/rtc-v3020.h> +#include <video/mbxfb.h> + +#include <linux/spi/spi.h> +#include <linux/spi/pxa2xx_spi.h> +#include <linux/spi/libertas_spi.h> + +#include "pxa27x.h" +#include <linux/platform_data/usb-ohci-pxa27x.h> +#include <linux/platform_data/mmc-pxamci.h> + +#include "generic.h" + +/* physical address if local-bus attached devices */ +#define RTC_PHYS_BASE (PXA_CS1_PHYS + (5 << 22)) + +/* GPIO IRQ usage */ +#define GPIO83_MMC_IRQ (83) + +#define CMX270_MMC_IRQ PXA_GPIO_TO_IRQ(GPIO83_MMC_IRQ) + +/* MMC power enable */ +#define GPIO105_MMC_POWER (105) + +/* WLAN GPIOS */ +#define GPIO19_WLAN_STRAP (19) +#define GPIO102_WLAN_RST (102) + +static unsigned long cmx270_pin_config[] = { + /* AC'97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + GPIO98_AC97_SYSCLK, + GPIO113_AC97_nRESET, + + /* BTUART */ + GPIO42_BTUART_RXD, + GPIO43_BTUART_TXD, + GPIO44_BTUART_CTS, + GPIO45_BTUART_RTS, + + /* STUART */ + GPIO46_STUART_RXD, + GPIO47_STUART_TXD, + + /* MCI controller */ + GPIO32_MMC_CLK, + GPIO112_MMC_CMD, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + + /* LCD */ + GPIOxx_LCD_TFT_16BPP, + + /* I2C */ + GPIO117_I2C_SCL, + GPIO118_I2C_SDA, + + /* SSP1 */ + GPIO23_SSP1_SCLK, + GPIO24_SSP1_SFRM, + GPIO25_SSP1_TXD, + GPIO26_SSP1_RXD, + + /* SSP2 */ + GPIO19_GPIO, /* SSP2 clock is used as GPIO for Libertas pin-strap */ + GPIO14_GPIO, + GPIO87_SSP2_TXD, + GPIO88_SSP2_RXD, + + /* PC Card */ + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, + + /* SDRAM and local bus */ + GPIO15_nCS_1, + GPIO78_nCS_2, + GPIO79_nCS_3, + GPIO80_nCS_4, + GPIO33_nCS_5, + GPIO49_nPWE, + GPIO18_RDY, + + /* GPIO */ + GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, + GPIO105_GPIO | MFP_LPM_DRIVE_HIGH, /* MMC/SD power */ + GPIO53_GPIO, /* PC card reset */ + GPIO102_GPIO, /* WLAN reset */ + + /* NAND controls */ + GPIO11_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */ + GPIO89_GPIO, /* NAND Ready/Busy */ + + /* interrupts */ + GPIO10_GPIO, /* DM9000 interrupt */ + GPIO83_GPIO, /* MMC card detect */ + GPIO95_GPIO, /* WLAN interrupt */ +}; + +/* V3020 RTC */ +#if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE) +static struct resource cmx270_v3020_resource[] = { + [0] = { + .start = RTC_PHYS_BASE, + .end = RTC_PHYS_BASE + 4, + .flags = IORESOURCE_MEM, + }, +}; + +struct v3020_platform_data cmx270_v3020_pdata = { + .leftshift = 16, +}; + +static struct platform_device cmx270_rtc_device = { + .name = "v3020", + .num_resources = ARRAY_SIZE(cmx270_v3020_resource), + .resource = cmx270_v3020_resource, + .id = -1, + .dev = { + .platform_data = &cmx270_v3020_pdata, + } +}; + +static void __init cmx270_init_rtc(void) +{ + platform_device_register(&cmx270_rtc_device); +} +#else +static inline void cmx270_init_rtc(void) {} +#endif + +/* 2700G graphics */ +#if defined(CONFIG_FB_MBX) || defined(CONFIG_FB_MBX_MODULE) +static u64 fb_dma_mask = ~(u64)0; + +static struct resource cmx270_2700G_resource[] = { + /* frame buffer memory including ODFB and External SDRAM */ + [0] = { + .start = PXA_CS2_PHYS, + .end = PXA_CS2_PHYS + 0x01ffffff, + .flags = IORESOURCE_MEM, + }, + /* Marathon registers */ + [1] = { + .start = PXA_CS2_PHYS + 0x03fe0000, + .end = PXA_CS2_PHYS + 0x03ffffff, + .flags = IORESOURCE_MEM, + }, +}; + +static unsigned long cmx270_marathon_on[] = { + GPIO58_GPIO, + GPIO59_GPIO, + GPIO60_GPIO, + GPIO61_GPIO, + GPIO62_GPIO, + GPIO63_GPIO, + GPIO64_GPIO, + GPIO65_GPIO, + GPIO66_GPIO, + GPIO67_GPIO, + GPIO68_GPIO, + GPIO69_GPIO, + GPIO70_GPIO, + GPIO71_GPIO, + GPIO72_GPIO, + GPIO73_GPIO, + GPIO74_GPIO, + GPIO75_GPIO, + GPIO76_GPIO, + GPIO77_GPIO, +}; + +static unsigned long cmx270_marathon_off[] = { + GPIOxx_LCD_TFT_16BPP, +}; + +static int cmx270_marathon_probe(struct fb_info *fb) +{ + int gpio, err; + + for (gpio = 58; gpio <= 77; gpio++) { + err = gpio_request(gpio, "LCD"); + if (err) + return err; + gpio_direction_input(gpio); + } + + pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_on)); + return 0; +} + +static int cmx270_marathon_remove(struct fb_info *fb) +{ + int gpio; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_off)); + + for (gpio = 58; gpio <= 77; gpio++) + gpio_free(gpio); + + return 0; +} + +static struct mbxfb_platform_data cmx270_2700G_data = { + .xres = { + .min = 240, + .max = 1200, + .defval = 640, + }, + .yres = { + .min = 240, + .max = 1200, + .defval = 480, + }, + .bpp = { + .min = 16, + .max = 32, + .defval = 16, + }, + .memsize = 8*1024*1024, + .probe = cmx270_marathon_probe, + .remove = cmx270_marathon_remove, +}; + +static struct platform_device cmx270_2700G = { + .name = "mbx-fb", + .dev = { + .platform_data = &cmx270_2700G_data, + .dma_mask = &fb_dma_mask, + .coherent_dma_mask = 0xffffffff, + }, + .num_resources = ARRAY_SIZE(cmx270_2700G_resource), + .resource = cmx270_2700G_resource, + .id = -1, +}; + +static void __init cmx270_init_2700G(void) +{ + platform_device_register(&cmx270_2700G); +} +#else +static inline void cmx270_init_2700G(void) {} +#endif + +/* PXA27x OHCI controller setup */ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static struct pxaohci_platform_data cmx270_ohci_platform_data = { + .port_mode = PMM_PERPORT_MODE, + .flags = ENABLE_PORT1 | ENABLE_PORT2 | POWER_CONTROL_LOW, +}; + +static void __init cmx270_init_ohci(void) +{ + pxa_set_ohci_info(&cmx270_ohci_platform_data); +} +#else +static inline void cmx270_init_ohci(void) {} +#endif + +#if defined(CONFIG_MMC) || defined(CONFIG_MMC_MODULE) +static struct pxamci_platform_data cmx270_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, + .gpio_card_detect = GPIO83_MMC_IRQ, + .gpio_card_ro = -1, + .gpio_power = GPIO105_MMC_POWER, + .gpio_power_invert = 1, +}; + +static void __init cmx270_init_mmc(void) +{ + pxa_set_mci_info(&cmx270_mci_platform_data); +} +#else +static inline void cmx270_init_mmc(void) {} +#endif + +#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) +static struct pxa2xx_spi_master cm_x270_spi_info = { + .num_chipselect = 1, + .enable_dma = 1, +}; + +static struct pxa2xx_spi_chip cm_x270_libertas_chip = { + .rx_threshold = 1, + .tx_threshold = 1, + .timeout = 1000, + .gpio_cs = 14, +}; + +static unsigned long cm_x270_libertas_pin_config[] = { + /* SSP2 */ + GPIO19_SSP2_SCLK, + GPIO14_GPIO, + GPIO87_SSP2_TXD, + GPIO88_SSP2_RXD, + +}; + +static int cm_x270_libertas_setup(struct spi_device *spi) +{ + int err = gpio_request(GPIO19_WLAN_STRAP, "WLAN STRAP"); + if (err) + return err; + + err = gpio_request(GPIO102_WLAN_RST, "WLAN RST"); + if (err) + goto err_free_strap; + + err = gpio_direction_output(GPIO102_WLAN_RST, 0); + if (err) + goto err_free_strap; + msleep(100); + + err = gpio_direction_output(GPIO19_WLAN_STRAP, 1); + if (err) + goto err_free_strap; + msleep(100); + + pxa2xx_mfp_config(ARRAY_AND_SIZE(cm_x270_libertas_pin_config)); + + gpio_set_value(GPIO102_WLAN_RST, 1); + msleep(100); + + spi->bits_per_word = 16; + spi_setup(spi); + + return 0; + +err_free_strap: + gpio_free(GPIO19_WLAN_STRAP); + + return err; +} + +static int cm_x270_libertas_teardown(struct spi_device *spi) +{ + gpio_set_value(GPIO102_WLAN_RST, 0); + gpio_free(GPIO102_WLAN_RST); + gpio_free(GPIO19_WLAN_STRAP); + + return 0; +} + +struct libertas_spi_platform_data cm_x270_libertas_pdata = { + .use_dummy_writes = 1, + .setup = cm_x270_libertas_setup, + .teardown = cm_x270_libertas_teardown, +}; + +static struct spi_board_info cm_x270_spi_devices[] __initdata = { + { + .modalias = "libertas_spi", + .max_speed_hz = 13000000, + .bus_num = 2, + .irq = PXA_GPIO_TO_IRQ(95), + .chip_select = 0, + .controller_data = &cm_x270_libertas_chip, + .platform_data = &cm_x270_libertas_pdata, + }, +}; + +static void __init cmx270_init_spi(void) +{ + pxa2xx_set_spi_info(2, &cm_x270_spi_info); + spi_register_board_info(ARRAY_AND_SIZE(cm_x270_spi_devices)); +} +#else +static inline void cmx270_init_spi(void) {} +#endif + +void __init cmx270_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_pin_config)); + +#ifdef CONFIG_PM + pxa27x_set_pwrmode(PWRMODE_DEEPSLEEP); +#endif + + cmx270_init_rtc(); + cmx270_init_mmc(); + cmx270_init_ohci(); + cmx270_init_2700G(); + cmx270_init_spi(); +} |