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Commit 1b6f1e88 authored by Shawn Guo's avatar Shawn Guo Committed by Sascha Hauer
Browse files

ARM: mxs/mx23evk: add mmc device 



Signed-off-by: default avatarShawn Guo <shawn.guo@freescale.com>
Acked-by: default avatarWolfram Sang <w.sang@pengutronix.de>
Acked-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
[sha: updated to Uwes v4 version]
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 47babe69

arch/arm/mach-mxs/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -22,6 +22,7 @@ config MACH_MX23EVK 
	select SOC_IMX23

	select MXS_HAVE_AMBA_DUART

	select MXS_HAVE_PLATFORM_AUART

	select MXS_HAVE_PLATFORM_MXS_MMC

	select MXS_HAVE_PLATFORM_MXSFB

	default y

	help

arch/arm/mach-mxs/mach-mx23evk.c

+44 −0
Original line number Diff line number Diff line
@@ -28,6 +28,8 @@ 


#define MX23EVK_LCD_ENABLE	MXS_GPIO_NR(1, 18)

#define MX23EVK_BL_ENABLE	MXS_GPIO_NR(1, 28)

#define MX23EVK_MMC0_WRITE_PROTECT	MXS_GPIO_NR(1, 30)

#define MX23EVK_MMC0_SLOT_POWER		MXS_GPIO_NR(1, 29)



static const iomux_cfg_t mx23evk_pads[] __initconst = {

	/* duart */
@@ -73,6 +75,36 @@ static const iomux_cfg_t mx23evk_pads[] __initconst = { 
	MX23_PAD_LCD_RESET__GPIO_1_18 | MXS_PAD_CTRL,

	/* backlight control */

	MX23_PAD_PWM2__GPIO_1_28 | MXS_PAD_CTRL,



	/* mmc */

	MX23_PAD_SSP1_DATA0__SSP1_DATA0 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_SSP1_DATA1__SSP1_DATA1 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_SSP1_DATA2__SSP1_DATA2 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_SSP1_DATA3__SSP1_DATA3 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_GPMI_D08__SSP1_DATA4 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_GPMI_D09__SSP1_DATA5 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_GPMI_D10__SSP1_DATA6 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_GPMI_D11__SSP1_DATA7 |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_SSP1_CMD__SSP1_CMD |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),

	MX23_PAD_SSP1_DETECT__SSP1_DETECT |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),

	MX23_PAD_SSP1_SCK__SSP1_SCK |

		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),

	/* write protect */

	MX23_PAD_PWM4__GPIO_1_30 |

		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),

	/* slot power enable */

	MX23_PAD_PWM3__GPIO_1_29 |

		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),

};



/* mxsfb (lcdif) */
@@ -101,6 +133,11 @@ static const struct mxsfb_platform_data mx23evk_mxsfb_pdata __initconst = { 
	.ld_intf_width	= STMLCDIF_24BIT,

};



static struct mxs_mmc_platform_data mx23evk_mmc_pdata __initdata = {

	.wp_gpio = MX23EVK_MMC0_WRITE_PROTECT,

	.flags = SLOTF_8_BIT_CAPABLE,

};



static void __init mx23evk_init(void)

{

	int ret;
@@ -110,6 +147,13 @@ static void __init mx23evk_init(void) 
	mx23_add_duart();

	mx23_add_auart0();



	/* power on mmc slot by writing 0 to the gpio */

	ret = gpio_request_one(MX23EVK_MMC0_SLOT_POWER, GPIOF_DIR_OUT,

			       "mmc0-slot-power");

	if (ret)

		pr_warn("failed to request gpio mmc0-slot-power: %d\n", ret);

	mx23_add_mxs_mmc(0, &mx23evk_mmc_pdata);



	ret = gpio_request_one(MX23EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");

	if (ret)

		pr_warn("failed to request gpio lcd-enable: %d\n", ret);