From a17f79553f052f04d47689a842118f775f81b7e3 Mon Sep 17 00:00:00 2001 From: Abraham Arce Date: Tue, 31 Aug 2010 17:05:27 -0700 Subject: Input: add support for OMAP4 keyboard controller OMAP4 keyboard controller includes: - built-in scanning algorithm - debouncing feature Driver implementation is based on matrix_keypad.c Signed-off-by: Syed Rafiuddin Signed-off-by: Abraham Arce Signed-off-by: Dmitry Torokhov --- arch/arm/plat-omap/include/plat/omap4-keypad.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 arch/arm/plat-omap/include/plat/omap4-keypad.h (limited to 'arch/arm/plat-omap/include') diff --git a/arch/arm/plat-omap/include/plat/omap4-keypad.h b/arch/arm/plat-omap/include/plat/omap4-keypad.h new file mode 100644 index 000000000000..522a8ab5c5ff --- /dev/null +++ b/arch/arm/plat-omap/include/plat/omap4-keypad.h @@ -0,0 +1,16 @@ +#ifndef ARCH_ARM_PLAT_OMAP4_KEYPAD_H +#define ARCH_ARM_PLAT_OMAP4_KEYPAD_H + +#include + +struct omap4_keypad_platform_data { + const struct matrix_keymap_data *keymap_data; + + u8 rows; + u8 cols; + + u16 irq; + void __iomem *base; +}; + +#endif -- cgit v1.2.3 From 067173526c3bbc2eaeefcf6b7b2a9d998b9e8042 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 4 Sep 2010 16:14:20 +0100 Subject: ARM: Provide common header for hard_smp_processor_id() Provide a common header to read the SMP CPU number from the MPIDR. Signed-off-by: Russell King --- arch/arm/include/asm/smp_mpidr.h | 12 ++++++++++++ arch/arm/mach-realview/include/mach/smp.h | 10 +--------- arch/arm/mach-s5pv310/include/mach/smp.h | 9 +-------- arch/arm/mach-tegra/include/mach/smp.h | 10 +--------- arch/arm/mach-ux500/include/mach/smp.h | 9 +-------- arch/arm/mach-vexpress/include/mach/smp.h | 9 +-------- arch/arm/plat-omap/include/plat/smp.h | 12 +----------- 7 files changed, 18 insertions(+), 53 deletions(-) create mode 100644 arch/arm/include/asm/smp_mpidr.h (limited to 'arch/arm/plat-omap/include') diff --git a/arch/arm/include/asm/smp_mpidr.h b/arch/arm/include/asm/smp_mpidr.h new file mode 100644 index 000000000000..7da7105e83e5 --- /dev/null +++ b/arch/arm/include/asm/smp_mpidr.h @@ -0,0 +1,12 @@ +#ifndef ASMARM_SMP_MIDR_H +#define ASMARM_SMP_MIDR_H + +#define hard_smp_processor_id() \ + ({ \ + unsigned int cpunum; \ + __asm__("mrc p15, 0, %0, c0, c0, 5\n" \ + : "=r" (cpunum)); \ + cpunum &= 0x0F; \ + }) + +#endif diff --git a/arch/arm/mach-realview/include/mach/smp.h b/arch/arm/mach-realview/include/mach/smp.h index dd53892d44a7..d3cd265cb058 100644 --- a/arch/arm/mach-realview/include/mach/smp.h +++ b/arch/arm/mach-realview/include/mach/smp.h @@ -1,16 +1,8 @@ #ifndef ASMARM_ARCH_SMP_H #define ASMARM_ARCH_SMP_H - #include - -#define hard_smp_processor_id() \ - ({ \ - unsigned int cpunum; \ - __asm__("mrc p15, 0, %0, c0, c0, 5" \ - : "=r" (cpunum)); \ - cpunum &= 0x0F; \ - }) +#include /* * We use IRQ1 as the IPI diff --git a/arch/arm/mach-s5pv310/include/mach/smp.h b/arch/arm/mach-s5pv310/include/mach/smp.h index 990f3ba88a1f..b7ec252384f4 100644 --- a/arch/arm/mach-s5pv310/include/mach/smp.h +++ b/arch/arm/mach-s5pv310/include/mach/smp.h @@ -7,17 +7,10 @@ #define ASM_ARCH_SMP_H __FILE__ #include +#include extern void __iomem *gic_cpu_base_addr; -#define hard_smp_processor_id() \ - ({ \ - unsigned int cpunum; \ - __asm__("mrc p15, 0, %0, c0, c0, 5" \ - : "=r" (cpunum)); \ - cpunum &= 0x03; \ - }) - /* * We use IRQ1 as the IPI */ diff --git a/arch/arm/mach-tegra/include/mach/smp.h b/arch/arm/mach-tegra/include/mach/smp.h index 8b42dab79a70..e4a34a35a544 100644 --- a/arch/arm/mach-tegra/include/mach/smp.h +++ b/arch/arm/mach-tegra/include/mach/smp.h @@ -1,16 +1,8 @@ #ifndef ASMARM_ARCH_SMP_H #define ASMARM_ARCH_SMP_H - #include - -#define hard_smp_processor_id() \ - ({ \ - unsigned int cpunum; \ - __asm__("mrc p15, 0, %0, c0, c0, 5" \ - : "=r" (cpunum)); \ - cpunum &= 0x0F; \ - }) +#include /* * We use IRQ1 as the IPI diff --git a/arch/arm/mach-ux500/include/mach/smp.h b/arch/arm/mach-ux500/include/mach/smp.h index b59f7bc9725d..197e8417375e 100644 --- a/arch/arm/mach-ux500/include/mach/smp.h +++ b/arch/arm/mach-ux500/include/mach/smp.h @@ -10,18 +10,11 @@ #define ASMARM_ARCH_SMP_H #include +#include /* This is required to wakeup the secondary core */ extern void u8500_secondary_startup(void); -#define hard_smp_processor_id() \ - ({ \ - unsigned int cpunum; \ - __asm__("mrc p15, 0, %0, c0, c0, 5" \ - : "=r" (cpunum)); \ - cpunum &= 0x0F; \ - }) - /* * We use IRQ1 as the IPI */ diff --git a/arch/arm/mach-vexpress/include/mach/smp.h b/arch/arm/mach-vexpress/include/mach/smp.h index 72a9621ed087..5a6da4fd247e 100644 --- a/arch/arm/mach-vexpress/include/mach/smp.h +++ b/arch/arm/mach-vexpress/include/mach/smp.h @@ -2,14 +2,7 @@ #define __MACH_SMP_H #include - -#define hard_smp_processor_id() \ - ({ \ - unsigned int cpunum; \ - __asm__("mrc p15, 0, %0, c0, c0, 5" \ - : "=r" (cpunum)); \ - cpunum &= 0x0F; \ - }) +#include /* * We use IRQ1 as the IPI diff --git a/arch/arm/plat-omap/include/plat/smp.h b/arch/arm/plat-omap/include/plat/smp.h index 5177a9c5a25a..ecd6a488c497 100644 --- a/arch/arm/plat-omap/include/plat/smp.h +++ b/arch/arm/plat-omap/include/plat/smp.h @@ -18,6 +18,7 @@ #define OMAP_ARCH_SMP_H #include +#include /* Needed for secondary core boot */ extern void omap_secondary_startup(void); @@ -33,15 +34,4 @@ static inline void smp_cross_call(const struct cpumask *mask) gic_raise_softirq(mask, 1); } -/* - * Read MPIDR: Multiprocessor affinity register - */ -#define hard_smp_processor_id() \ - ({ \ - unsigned int cpunum; \ - __asm__("mrc p15, 0, %0, c0, c0, 5" \ - : "=r" (cpunum)); \ - cpunum &= 0x0F; \ - }) - #endif -- cgit v1.2.3 From f3a1ba60dbdbf46f2715cc4e3f8abc9d65c4d9bf Mon Sep 17 00:00:00 2001 From: Abraham Arce Date: Wed, 29 Sep 2010 23:35:57 -0700 Subject: Input: omap4-keypad - use platform device helpers Get mem and irq resources using platform helpers - platform_get_base - platform_get_irq Signed-off-by: Abraham Arce Signed-off-by: Dmitry Torokhov --- arch/arm/plat-omap/include/plat/omap4-keypad.h | 4 +-- drivers/input/keyboard/omap4-keypad.c | 40 ++++++++++++++++++++++---- 2 files changed, 36 insertions(+), 8 deletions(-) (limited to 'arch/arm/plat-omap/include') diff --git a/arch/arm/plat-omap/include/plat/omap4-keypad.h b/arch/arm/plat-omap/include/plat/omap4-keypad.h index 522a8ab5c5ff..2b1d9bc1eebb 100644 --- a/arch/arm/plat-omap/include/plat/omap4-keypad.h +++ b/arch/arm/plat-omap/include/plat/omap4-keypad.h @@ -8,9 +8,7 @@ struct omap4_keypad_platform_data { u8 rows; u8 cols; - - u16 irq; - void __iomem *base; }; +extern int omap4_keyboard_init(struct omap4_keypad_platform_data *); #endif diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c index 975f8bbcc69b..788169d3e7c2 100644 --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -148,7 +148,10 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) const struct omap4_keypad_platform_data *pdata; struct omap4_keypad *keypad_data; struct input_dev *input_dev; + struct resource *res; + resource_size_t size; unsigned int row_shift, max_keys; + int irq; int error; /* platform data */ @@ -158,12 +161,14 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) return -EINVAL; } - if (!pdata->base) { + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) { dev_err(&pdev->dev, "no base address specified\n"); return -EINVAL; } - if (!pdata->irq) { + irq = platform_get_irq(pdev, 0); + if (!irq) { dev_err(&pdev->dev, "no keyboard irq assigned\n"); return -EINVAL; } @@ -184,9 +189,23 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) return -ENOMEM; } - keypad_data->base = pdata->base; - keypad_data->irq = pdata->irq; + size = resource_size(res); + + res = request_mem_region(res->start, size, pdev->name); + if (!res) { + dev_err(&pdev->dev, "can't request mem region\n"); + error = -EBUSY; + goto err_free_keypad; + } + keypad_data->base = ioremap(res->start, resource_size(res)); + if (!keypad_data->base) { + dev_err(&pdev->dev, "can't ioremap mem resource\n"); + error = -ENOMEM; + goto err_release_mem; + } + + keypad_data->irq = irq; keypad_data->row_shift = row_shift; keypad_data->rows = pdata->rows; keypad_data->cols = pdata->cols; @@ -195,7 +214,7 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) keypad_data->input = input_dev = input_allocate_device(); if (!input_dev) { error = -ENOMEM; - goto err_free_keypad; + goto err_unmap; } input_dev->name = pdev->name; @@ -243,6 +262,10 @@ err_free_irq: free_irq(keypad_data->irq, keypad_data); err_free_input: input_free_device(input_dev); +err_unmap: + iounmap(keypad_data->base); +err_release_mem: + release_mem_region(res->start, size); err_free_keypad: kfree(keypad_data); return error; @@ -251,9 +274,16 @@ err_free_keypad: static int __devexit omap4_keypad_remove(struct platform_device *pdev) { struct omap4_keypad *keypad_data = platform_get_drvdata(pdev); + struct resource *res; free_irq(keypad_data->irq, keypad_data); input_unregister_device(keypad_data->input); + + iounmap(keypad_data->base); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + release_mem_region(res->start, resource_size(res)); + kfree(keypad_data); platform_set_drvdata(pdev, NULL); -- cgit v1.2.3 From 3a0d30bcdfa73bd865f29899eb4bf29b58c4f54a Mon Sep 17 00:00:00 2001 From: Ajay Kumar Gupta Date: Tue, 19 Oct 2010 10:08:11 +0300 Subject: USB: AM35x: Add musb support AM35x has musb interface (version 1.8) and uses CPPI41 DMA engine. It has USB phy built inside the IP itself. Signed-off-by: Ajay Kumar Gupta Acked-by: Tony Lindgren Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-omap@vger.kernel.org Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- arch/arm/mach-omap2/board-am3517evm.c | 30 ++++++++++++++++++++++++++++++ arch/arm/mach-omap2/usb-musb.c | 4 ++++ arch/arm/plat-omap/include/plat/usb.h | 21 +++++++++++++++++++++ 3 files changed, 55 insertions(+) (limited to 'arch/arm/plat-omap/include') diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c index 4d0f58592864..9ac9de6bb970 100644 --- a/arch/arm/mach-omap2/board-am3517evm.c +++ b/arch/arm/mach-omap2/board-am3517evm.c @@ -375,6 +375,31 @@ static void __init am3517_evm_init_irq(void) omap_gpio_init(); } +static struct omap_musb_board_data musb_board_data = { + .interface_type = MUSB_INTERFACE_ULPI, + .mode = MUSB_OTG, + .power = 500, +}; + +static __init void am3517_evm_musb_init(void) +{ + u32 devconf2; + + /* + * Set up USB clock/mode in the DEVCONF2 register. + */ + devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2); + + /* USB2.0 PHY reference clock is 13 MHz */ + devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE); + devconf2 |= CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN + | CONF2_DATPOL; + + omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2); + + usb_musb_init(&musb_board_data); +} + static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \ @@ -393,6 +418,8 @@ static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { #ifdef CONFIG_OMAP_MUX static struct omap_board_mux board_mux[] __initdata = { + /* USB OTG DRVVBUS offset = 0x212 */ + OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN), { .reg_offset = OMAP_MUX_TERMINATOR }, }; #else @@ -459,6 +486,9 @@ static void __init am3517_evm_init(void) ARRAY_SIZE(am3517evm_i2c1_boardinfo)); /*Ethernet*/ am3517_evm_ethernet_init(&am3517_evm_emac_pdata); + + /* MUSB */ + am3517_evm_musb_init(); } MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM") diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index 33a5cde1c227..72605584bfff 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -28,6 +28,7 @@ #include #include +#include #include #ifdef CONFIG_USB_MUSB_SOC @@ -89,6 +90,9 @@ void __init usb_musb_init(struct omap_musb_board_data *board_data) { if (cpu_is_omap243x()) { musb_resources[0].start = OMAP243X_HS_BASE; + } else if (cpu_is_omap3517() || cpu_is_omap3505()) { + musb_resources[0].start = AM35XX_IPSS_USBOTGSS_BASE; + musb_resources[1].start = INT_35XX_USBOTG_IRQ; } else if (cpu_is_omap34xx()) { musb_resources[0].start = OMAP34XX_HSUSB_OTG_BASE; } else if (cpu_is_omap44xx()) { diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h index 2a9427c8cc48..9feddacfe850 100644 --- a/arch/arm/plat-omap/include/plat/usb.h +++ b/arch/arm/plat-omap/include/plat/usb.h @@ -218,6 +218,27 @@ static inline omap2_usbfs_init(struct omap_usb_config *pdata) # define USBT2TLL5PI (1 << 17) # define USB0PUENACTLOI (1 << 16) # define USBSTANDBYCTRL (1 << 15) +/* AM35x */ +/* USB 2.0 PHY Control */ +#define CONF2_PHY_GPIOMODE (1 << 23) +#define CONF2_OTGMODE (3 << 14) +#define CONF2_NO_OVERRIDE (0 << 14) +#define CONF2_FORCE_HOST (1 << 14) +#define CONF2_FORCE_DEVICE (2 << 14) +#define CONF2_FORCE_HOST_VBUS_LOW (3 << 14) +#define CONF2_SESENDEN (1 << 13) +#define CONF2_VBDTCTEN (1 << 12) +#define CONF2_REFFREQ_24MHZ (2 << 8) +#define CONF2_REFFREQ_26MHZ (7 << 8) +#define CONF2_REFFREQ_13MHZ (6 << 8) +#define CONF2_REFFREQ (0xf << 8) +#define CONF2_PHYCLKGD (1 << 7) +#define CONF2_VBUSSENSE (1 << 6) +#define CONF2_PHY_PLLON (1 << 5) +#define CONF2_RESET (1 << 4) +#define CONF2_PHYPWRDN (1 << 3) +#define CONF2_OTGPWRDN (1 << 2) +#define CONF2_DATPOL (1 << 1) #if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_USB) u32 omap1_usb0_init(unsigned nwires, unsigned is_device); -- cgit v1.2.3