From 2d95378b043f082192a11f8476e3f63291c3477b Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Fri, 25 Mar 2011 12:52:47 -0300 Subject: ARM: mx53: Print silicon revision on boot MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Having the silicon revision to appear on the boot log is a useful information. MX31, MX35 and MX51 already show the silicon revision on boot. Add support for displaying such information for MX53 as well. Tested on a mx53loco board, where it shows: CPU identified as i.MX53, silicon rev 2.0 Signed-off-by: Fabio Estevam LAKML-Reference: 1301068367-18937-1-git-send-email-fabio.estevam@freescale.com Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c index fdbc05e..6b89c1b 100644 --- a/arch/arm/mach-mx5/clock-mx51-mx53.c +++ b/arch/arm/mach-mx5/clock-mx51-mx53.c @@ -1563,6 +1563,7 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc, clk_enable(&iim_clk); mx53_revision(); clk_disable(&iim_clk); + mx53_display_revision(); /* Set SDHC parents to be PLL2 */ clk_set_parent(&esdhc1_clk, &pll2_sw_clk); diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c index 472bdfa..86f87da 100644 --- a/arch/arm/mach-mx5/cpu.c +++ b/arch/arm/mach-mx5/cpu.c @@ -166,6 +166,29 @@ int mx50_revision(void) } EXPORT_SYMBOL(mx50_revision); +void mx53_display_revision(void) +{ + int rev; + char *srev; + rev = mx53_revision(); + + switch (rev) { + case IMX_CHIP_REVISION_1_0: + srev = IMX_CHIP_REVISION_1_0_STRING; + break; + case IMX_CHIP_REVISION_2_0: + srev = IMX_CHIP_REVISION_2_0_STRING; + break; + case IMX_CHIP_REVISION_2_1: + srev = IMX_CHIP_REVISION_2_1_STRING; + break; + default: + srev = IMX_CHIP_REVISION_UNKNOWN_STRING; + } + printk(KERN_INFO "CPU identified as i.MX53, silicon rev %s\n", srev); +} +EXPORT_SYMBOL(mx53_display_revision); + static int __init post_cpu_init(void) { unsigned int reg; diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h index a22ebe1..bfa1ffc 100644 --- a/arch/arm/plat-mxc/include/mach/common.h +++ b/arch/arm/plat-mxc/include/mach/common.h @@ -68,4 +68,5 @@ extern void mxc91231_arch_reset(int, const char *); extern void mxc91231_prepare_idle(void); extern void mx51_efikamx_reset(void); extern int mx53_revision(void); +extern int mx53_display_revision(void); #endif diff --git a/arch/arm/plat-mxc/include/mach/mx53.h b/arch/arm/plat-mxc/include/mach/mx53.h index ace1786..9d2a1ef 100644 --- a/arch/arm/plat-mxc/include/mach/mx53.h +++ b/arch/arm/plat-mxc/include/mach/mx53.h @@ -337,17 +337,4 @@ #define MX53_INT_GPIO7_LOW 107 #define MX53_INT_GPIO7_HIGH 108 -/* silicon revisions specific to i.MX53 */ -#define MX53_CHIP_REV_1_0 0x10 -#define MX53_CHIP_REV_1_1 0x11 -#define MX53_CHIP_REV_1_2 0x12 -#define MX53_CHIP_REV_1_3 0x13 -#define MX53_CHIP_REV_2_0 0x20 -#define MX53_CHIP_REV_2_1 0x21 -#define MX53_CHIP_REV_2_2 0x22 -#define MX53_CHIP_REV_2_3 0x23 -#define MX53_CHIP_REV_3_0 0x30 -#define MX53_CHIP_REV_3_1 0x31 -#define MX53_CHIP_REV_3_2 0x32 - #endif /* ifndef __MACH_MX53_H__ */ -- cgit v0.10.2 From 6f9ec442a07701e0ef241854862fdf2540be1bdb Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Thu, 17 Mar 2011 12:55:57 -0300 Subject: ARM: mx5/babbage: Use gpio_request_one in babbage_usbhub_reset MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Current code inside babbage_usbhub_reset uses gpio_direction_output with initial value of the GPIO and also sets the GPIO value via gpio_set_value to the same level right after. This is not needed. By using gpio_request_one it is possible to set the direction and initial value in one shot. Signed-off-by: Fabio Estevam LAKML-Reference: 1300377359-23212-2-git-send-email-fabio.estevam@freescale.com Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c index bea4e41..ab50aa9 100644 --- a/arch/arm/mach-mx5/board-mx51_babbage.c +++ b/arch/arm/mach-mx5/board-mx51_babbage.c @@ -208,18 +208,16 @@ static inline void babbage_usbhub_reset(void) { int ret; - /* Bring USB hub out of reset */ - ret = gpio_request(BABBAGE_USB_HUB_RESET, "GPIO1_7"); + /* Reset USB hub */ + ret = gpio_request_one(BABBAGE_USB_HUB_RESET, + GPIOF_OUT_INIT_LOW, "GPIO1_7"); if (ret) { printk(KERN_ERR"failed to get GPIO_USB_HUB_RESET: %d\n", ret); return; } - gpio_direction_output(BABBAGE_USB_HUB_RESET, 0); - /* USB HUB RESET - De-assert USB HUB RESET_N */ - msleep(1); - gpio_set_value(BABBAGE_USB_HUB_RESET, 0); - msleep(1); + msleep(2); + /* Deassert reset */ gpio_set_value(BABBAGE_USB_HUB_RESET, 1); } -- cgit v0.10.2 From 9c97f66271a09dedfe26a145fceb74c6efd83571 Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Sat, 26 Feb 2011 23:19:04 +0800 Subject: ARM: mach-imx: mx25_3ds: add write-protect and card-detect for SD MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Shawn Guo LAKML-Reference: 1298733544-24659-1-git-send-email-shawn.guo@freescale.com Acked-by: Wolfram Sang [ukl: fixup conflict with ff86452 (ARM: mx25_3ds: Add I2C support) and drop #inclusion of ] Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer diff --git a/arch/arm/mach-imx/mach-mx25_3ds.c b/arch/arm/mach-imx/mach-mx25_3ds.c index 06da438..378f433 100644 --- a/arch/arm/mach-imx/mach-mx25_3ds.c +++ b/arch/arm/mach-imx/mach-mx25_3ds.c @@ -103,6 +103,8 @@ static iomux_v3_cfg_t mx25pdk_pads[] = { MX25_PAD_SD1_DATA1__SD1_DATA1, MX25_PAD_SD1_DATA2__SD1_DATA2, MX25_PAD_SD1_DATA3__SD1_DATA3, + MX25_PAD_A14__GPIO_2_0, /* WriteProtect */ + MX25_PAD_A15__GPIO_2_1, /* CardDetect */ /* I2C1 */ MX25_PAD_I2C1_CLK__I2C1_CLK, @@ -208,6 +210,14 @@ static const struct imxi2c_platform_data mx25_3ds_i2c0_data __initconst = { .bitrate = 100000, }; +#define SD1_GPIO_WP IMX_GPIO_NR(2, 0) +#define SD1_GPIO_CD IMX_GPIO_NR(2, 1) + +static const struct esdhc_platform_data mx25pdk_esdhc_pdata __initconst = { + .wp_gpio = SD1_GPIO_WP, + .cd_gpio = SD1_GPIO_CD, +}; + static void __init mx25pdk_init(void) { mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads, @@ -225,7 +235,7 @@ static void __init mx25pdk_init(void) imx25_add_fec(&mx25_fec_pdata); imx25_add_imx_keypad(&mx25pdk_keymap_data); - imx25_add_sdhci_esdhc_imx(0, NULL); + imx25_add_sdhci_esdhc_imx(0, &mx25pdk_esdhc_pdata); imx25_add_imx_i2c0(&mx25_3ds_i2c0_data); } -- cgit v0.10.2 From 5309498a56842d0acb723196b7bc57bfb9aee918 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= Date: Mon, 28 Feb 2011 18:04:33 +0100 Subject: ARM: imx: use imx_add_gpio_keys to register "gpio-keys" devices MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit LAKML-Reference: 1302207841-12450-1-git-send-email-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König Signed-off-by: Sascha Hauer diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 56b930a..4ac00e9 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -129,6 +129,7 @@ choice config MACH_EUKREA_MBIMXSD25_BASEBOARD bool "Eukrea MBIMXSD development board" + select IMX_HAVE_PLATFORM_GPIO_KEYS select IMX_HAVE_PLATFORM_IMX_SSI help This adds board specific devices that can be found on Eukrea's @@ -254,6 +255,7 @@ config MACH_MX27_3DS config MACH_IMX27_VISSTRIM_M10 bool "Vista Silicon i.MX27 Visstrim_m10" select SOC_IMX27 + select IMX_HAVE_PLATFORM_GPIO_KEYS select IMX_HAVE_PLATFORM_IMX_I2C select IMX_HAVE_PLATFORM_IMX_SSI select IMX_HAVE_PLATFORM_IMX_UART diff --git a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c index 6269053..176e61b 100644 --- a/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c +++ b/arch/arm/mach-imx/eukrea_mbimxsd25-baseboard.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include