[PATCH 6/6] pxa: add frame buffer support on pxa168 aspenite platform

Jun Nie niej0001 at gmail.com
Tue Nov 3 02:31:24 EST 2009


2009/11/3 Jun Nie <niej0001 at gmail.com>:
> pxa: add frame buffer support on pxa168 aspenite platform
>
> Signed-off-by: Jun Nie <njun at marvell.com>
> ---
>  arch/arm/configs/pxa168_defconfig       |   86 ++++++++++++++++++++-
>  arch/arm/mach-mmp/aspenite.c            |  132 +++++++++++++++++++++++++++++++
>  arch/arm/mach-mmp/include/mach/pxa168.h |    8 ++
>  arch/arm/mach-mmp/pxa168.c              |    3 +
>  4 files changed, 227 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/configs/pxa168_defconfig
> b/arch/arm/configs/pxa168_defconfig
> index db5faea..b736517 100644
> --- a/arch/arm/configs/pxa168_defconfig
> +++ b/arch/arm/configs/pxa168_defconfig
> @@ -509,7 +509,49 @@ CONFIG_UNIX98_PTYS=y
>  # CONFIG_R3964 is not set
>  # CONFIG_RAW_DRIVER is not set
>  # CONFIG_TCG_TPM is not set
> -# CONFIG_I2C is not set
> +CONFIG_I2C=y
> +CONFIG_I2C_BOARDINFO=y
> +# CONFIG_I2C_CHARDEV is not set
> +CONFIG_I2C_HELPER_AUTO=y
> +CONFIG_I2C_ALGOBIT=y
> +
> +#
> +# I2C Hardware Bus support
> +#
> +
> +#
> +# I2C system bus drivers (mostly embedded / system-on-chip)
> +#
> +# CONFIG_I2C_DESIGNWARE is not set
> +CONFIG_I2C_GPIO=y
> +# CONFIG_I2C_OCORES is not set
> +CONFIG_I2C_PXA=y
> +# CONFIG_I2C_PXA_SLAVE is not set
> +# CONFIG_I2C_SIMTEC is not set
> +
> +#
> +# External I2C/SMBus adapter drivers
> +#
> +# CONFIG_I2C_PARPORT_LIGHT is not set
> +# CONFIG_I2C_TAOS_EVM is not set
> +
> +#
> +# Other I2C/SMBus bus drivers
> +#
> +# CONFIG_I2C_PCA_PLATFORM is not set
> +# CONFIG_I2C_STUB is not set
> +
> +#
> +# Miscellaneous I2C Chip support
> +#
> +# CONFIG_DS1682 is not set
> +# CONFIG_SENSORS_PCF8574 is not set
> +# CONFIG_PCF8575 is not set
> +# CONFIG_SENSORS_TSL2550 is not set
> +# CONFIG_I2C_DEBUG_CORE is not set
> +# CONFIG_I2C_DEBUG_ALGO is not set
> +# CONFIG_I2C_DEBUG_BUS is not set
> +# CONFIG_I2C_DEBUG_CHIP is not set
>  # CONFIG_SPI is not set
>  CONFIG_ARCH_REQUIRE_GPIOLIB=y
>  CONFIG_GPIOLIB=y
> @@ -523,6 +565,9 @@ CONFIG_GPIOLIB=y
>  #
>  # I2C GPIO expanders:
>  #
> +# CONFIG_GPIO_MAX732X is not set
> +CONFIG_GPIO_PCA953X=y
> +# CONFIG_GPIO_PCF857X is not set
>
>  #
>  # PCI GPIO expanders:
> @@ -578,7 +623,34 @@ CONFIG_SSB_POSSIBLE=y
>  #
>  # CONFIG_VGASTATE is not set
>  # CONFIG_VIDEO_OUTPUT_CONTROL is not set
> -# CONFIG_FB is not set
> +CONFIG_FB=y
> +# CONFIG_FIRMWARE_EDID is not set
> +# CONFIG_FB_DDC is not set
> +# CONFIG_FB_BOOT_VESA_SUPPORT is not set
> +# CONFIG_FB_CFB_FILLRECT is not set
> +# CONFIG_FB_CFB_COPYAREA is not set
> +# CONFIG_FB_CFB_IMAGEBLIT is not set
> +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
> +# CONFIG_FB_SYS_FILLRECT is not set
> +# CONFIG_FB_SYS_COPYAREA is not set
> +# CONFIG_FB_SYS_IMAGEBLIT is not set
> +# CONFIG_FB_FOREIGN_ENDIAN is not set
> +# CONFIG_FB_SYS_FOPS is not set
> +# CONFIG_FB_SVGALIB is not set
> +# CONFIG_FB_MACMODES is not set
> +# CONFIG_FB_BACKLIGHT is not set
> +# CONFIG_FB_MODE_HELPERS is not set
> +# CONFIG_FB_TILEBLITTING is not set
> +
> +#
> +# Frame buffer hardware drivers
> +#
> +# CONFIG_FB_S1D13XXX is not set
> +CONFIG_FB_PXA168=y
> +# CONFIG_FB_VIRTUAL is not set
> +# CONFIG_FB_METRONOME is not set
> +# CONFIG_FB_MB862XX is not set
> +# CONFIG_FB_BROADSHEET is not set
>  # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
>
>  #
> @@ -591,6 +663,16 @@ CONFIG_SSB_POSSIBLE=y
>  #
>  # CONFIG_VGA_CONSOLE is not set
>  CONFIG_DUMMY_CONSOLE=y
> +CONFIG_FRAMEBUFFER_CONSOLE=y
> +CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
> +# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
> +# CONFIG_FONTS is not set
> +CONFIG_FONT_8x8=y
> +CONFIG_FONT_8x16=y
> +CONFIG_LOGO=y
> +# CONFIG_LOGO_LINUX_MONO is not set
> +CONFIG_LOGO_LINUX_VGA16=y
> +CONFIG_LOGO_LINUX_CLUT224=y
>  # CONFIG_SOUND is not set
>  # CONFIG_HID_SUPPORT is not set
>  # CONFIG_USB_SUPPORT is not set
> diff --git a/arch/arm/mach-mmp/aspenite.c b/arch/arm/mach-mmp/aspenite.c
> index b422bb5..76a57dc 100644
> --- a/arch/arm/mach-mmp/aspenite.c
> +++ b/arch/arm/mach-mmp/aspenite.c
> @@ -17,12 +17,14 @@
>  #include <linux/mtd/partitions.h>
>  #include <linux/mtd/nand.h>
>  #include <linux/i2c/pca953x.h>
> +#include <linux/delay.h>
>
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
>  #include <mach/addr-map.h>
>  #include <mach/mfp-pxa168.h>
>  #include <mach/pxa168.h>
> +#include <mach/pxa168fb.h>
>  #include <mach/gpio.h>
>  #include <plat/pxa3xx_nand.h>
>  #include <video/pxa168fb.h>
> @@ -66,6 +68,39 @@ static unsigned long common_pin_config[] __initdata = {
>        /* UART1 */
>        GPIO107_UART1_RXD,
>        GPIO108_UART1_TXD,
> +
> +#ifdef CONFIG_FB_PXA168
> +       /* LCD */
> +       GPIO56_LCD_FCLK_RD,
> +       GPIO57_LCD_LCLK_A0,
> +       GPIO58_LCD_PCLK_WR,
> +       GPIO59_LCD_DENA_BIAS,
> +       GPIO60_LCD_DD0,
> +       GPIO61_LCD_DD1,
> +       GPIO62_LCD_DD2,
> +       GPIO63_LCD_DD3,
> +       GPIO64_LCD_DD4,
> +       GPIO65_LCD_DD5,
> +       GPIO66_LCD_DD6,
> +       GPIO67_LCD_DD7,
> +       GPIO68_LCD_DD8,
> +       GPIO69_LCD_DD9,
> +       GPIO70_LCD_DD10,
> +       GPIO71_LCD_DD11,
> +       GPIO72_LCD_DD12,
> +       GPIO73_LCD_DD13,
> +       GPIO74_LCD_DD14,
> +       GPIO75_LCD_DD15,
> +
> +       GPIO76_LCD_DD16,
> +       GPIO77_LCD_DD17,
> +       GPIO78_LCD_DD18,
> +       GPIO79_LCD_DD19,
> +       GPIO80_LCD_DD20,
> +       GPIO81_LCD_DD21,
> +       GPIO82_LCD_DD22,
> +       GPIO83_LCD_DD23,
> +#endif
>  };
>
>  static struct smc91x_platdata smc91x_info = {
> @@ -95,6 +130,100 @@ static struct platform_device smc91x_device = {
>        .resource       = smc91x_resources,
>  };
>
> +#ifdef CONFIG_FB_PXA168
> +static u16 tpo_spi_cmdon[] = {
> +       0x080F,
> +       0x0C5F,
> +       0x1017,
> +       0x1420,
> +       0x1808,
> +       0x1c20,
> +       0x2020,
> +       0x2420,
> +       0x2820,
> +       0x2c20,
> +       0x3020,
> +       0x3420,
> +       0x3810,
> +       0x3c10,
> +       0x4010,
> +       0x4415,
> +       0x48aa,
> +       0x4cff,
> +       0x5086,
> +       0x548d,
> +       0x58d4,
> +       0x5cfb,
> +       0x602e,
> +       0x645a,
> +       0x6889,
> +       0x6cfe,
> +       0x705a,
> +       0x749b,
> +       0x78c5,
> +       0x7cff,
> +       0x80f0,
> +       0x84f0,
> +       0x8808,
> +};
> +
> +static u16 tpo_spi_cmdoff[] = {
> +       0x0c5e,         //standby
> +};
> +
> +static int tpo_lcd_power(struct pxa168fb_info *fbi, unsigned int
> spi_gpio_cs, unsigned int spi_gpio_reset, int on)
> +{
> +       int err = 0;
> +       if (on) {
> +               if (spi_gpio_reset != -1) {
> +                       err = gpio_request(spi_gpio_reset, "TPO_LCD_SPI_RESET");
> +                       if (err) {
> +                               printk("failed to request GPIO for TPO LCD RESET\n");
> +                               return err;
> +                       }
> +                       gpio_direction_output(spi_gpio_reset, 0);
> +                       msleep(100);
> +                       gpio_set_value(spi_gpio_reset, 1);
> +                       msleep(100);
> +                       gpio_free(spi_gpio_reset);
> +               }
> +               return pxa168fb_spi_send(fbi, tpo_spi_cmdon,
> ARRAY_SIZE(tpo_spi_cmdon), spi_gpio_cs, 1);
> +       } else
> +               return pxa168fb_spi_send(fbi, tpo_spi_cmdoff,
> ARRAY_SIZE(tpo_spi_cmdoff), spi_gpio_cs, 1);
> +}
> +
> +static struct fb_videomode video_modes_aspen[] = {
> +       [0] = {
> +               .pixclock       = 30120,
> +               .refresh        = 60,
> +               .xres           = 800,
> +               .yres           = 480,
> +               .hsync_len      = 1,
> +               .left_margin    = 215,
> +               .right_margin   = 40,
> +               .vsync_len      = 1,
> +               .upper_margin   = 34,
> +               .lower_margin   = 10,
> +               .sync           = 0,
> +       },
> +};
> +
> +struct pxa168fb_mach_info aspenite_lcd_info __initdata = {
> +       .id                     = "Base-aspen",
> +       .modes                  = video_modes_aspen,
> +       .num_modes              = ARRAY_SIZE(video_modes_aspen),
> +       .pix_fmt                = PIX_FMT_RGB565,
> +       .io_pin_allocation_mode = PIN_MODE_DUMB_24,
> +       .dumb_mode              = DUMB_MODE_RGB888,
> +       .active                 = 1,
> +       .spi_ctrl               = CFG_SCLKCNT(2) | CFG_TXBITS(16) | CFG_SPI_SEL(1) |
> CFG_SPI_3W4WB(1) | CFG_SPI_ENA(1),
> +       .spi_gpio_cs            = GPIO_EXT1(14),
> +       .spi_gpio_reset         = -1,
> +       .pxa168fb_lcd_power     = tpo_lcd_power,
> +};
> +
> +#endif
> +
>  #if defined(CONFIG_MTD_NAND) || defined(CONFIG_MTD_NAND_MODULE)
>  static struct mtd_partition apn_nand_partitions[] = {
>        {
> @@ -184,6 +313,9 @@ static void __init common_init(void)
>
>        /* on-chip devices */
>        pxa168_add_uart(1);
> +#ifdef CONFIG_FB_PXA168
> +       pxa168_add_fb(&aspenite_lcd_info);
> +#endif
>
>        apn_init_nand();
>        pxa168_add_twsi(0, &pwri2c_info, ARRAY_AND_SIZE(aspenite_i2c_board_info));
> diff --git a/arch/arm/mach-mmp/include/mach/pxa168.h
> b/arch/arm/mach-mmp/include/mach/pxa168.h
> index d117ceb..d43fb13 100644
> --- a/arch/arm/mach-mmp/include/mach/pxa168.h
> +++ b/arch/arm/mach-mmp/include/mach/pxa168.h
> @@ -4,6 +4,7 @@
>  #include <linux/i2c.h>
>  #include <mach/devices.h>
>  #include <plat/i2c.h>
> +#include <video/pxa168fb.h>
>
>  extern struct pxa_device_desc pxa168_device_uart1;
>  extern struct pxa_device_desc pxa168_device_uart2;
> @@ -14,6 +15,7 @@ extern struct pxa_device_desc pxa168_device_pwm2;
>  extern struct pxa_device_desc pxa168_device_pwm3;
>  extern struct pxa_device_desc pxa168_device_pwm4;
>  extern struct pxa_device_desc pxa168_device_nand;
> +extern struct pxa_device_desc pxa168_device_fb;
>
>  static inline int pxa168_add_uart(int id)
>  {
> @@ -65,4 +67,10 @@ static inline int pxa168_add_pwm(int id)
>
>        return pxa_register_device(d, NULL, 0);
>  }
> +
> +static inline int pxa168_add_fb(struct pxa168fb_mach_info *mi)
> +{
> +       return pxa_register_device(&pxa168_device_fb, mi, sizeof(*mi));
> +}
> +
>  #endif /* __ASM_MACH_PXA168_H */
> diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c
> index 59b393e..8be1e46 100644
> --- a/arch/arm/mach-mmp/pxa168.c
> +++ b/arch/arm/mach-mmp/pxa168.c
> @@ -74,6 +74,7 @@ static APBC_CLK(pwm3, PXA168_PWM3, 1, 13000000);
>  static APBC_CLK(pwm4, PXA168_PWM4, 1, 13000000);
>
>  static APMU_CLK(nand, NAND, 0x1db, 208000000);
> +static APMU_CLK(lcd, LCD, 0x003f, 312000000);
>
>  /* device and clock bindings */
>  static struct clk_lookup pxa168_clkregs[] = {
> @@ -86,6 +87,7 @@ static struct clk_lookup pxa168_clkregs[] = {
>        INIT_CLKREG(&clk_pwm2, "pxa168-pwm.1", NULL),
>        INIT_CLKREG(&clk_pwm3, "pxa168-pwm.2", NULL),
>        INIT_CLKREG(&clk_pwm4, "pxa168-pwm.3", NULL),
> +       INIT_CLKREG(&clk_lcd, "pxa168-fb", "LCDCLK"),
>  };
>
>  static int __init pxa168_init(void)
> @@ -132,3 +134,4 @@ PXA168_DEVICE(pwm2, "pxa168-pwm", 1, NONE,
> 0xd401a400, 0x10);
>  PXA168_DEVICE(pwm3, "pxa168-pwm", 2, NONE, 0xd401a800, 0x10);
>  PXA168_DEVICE(pwm4, "pxa168-pwm", 3, NONE, 0xd401ac00, 0x10);
>  PXA168_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x200, 97, 99);
> +PXA168_DEVICE(fb, "pxa168-fb", -1, LCD, 0xd420b000, 0x1c8);
> --
> 1.5.4.3
>

add linux-fbdev at vger.kernel.org



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