[08/15] ARM: sa1100: make collie use new locomo drivers

Message ID	1414454528-24240-9-git-send-email-dbaryshkov@gmail.com
State	Not Applicable
Headers	show Return-Path: <linux-gpio-owner@vger.kernel.org> From: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> To: linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org, linux-input@vger.kernel.org, linux-leds@vger.kernel.org, linux-spi@vger.kernel.org, linux-fbdev@vger.kernel.org, alsa-devel@alsa-project.org Cc: Andrea Adami <andrea.adami@gmail.com>, Russell King <linux@arm.linux.org.uk>, Daniel Mack <daniel@zonque.org>, Haojian Zhuang <haojian.zhuang@gmail.com>, Robert Jarzmik <robert.jarzmik@free.fr>, Linus Walleij <linus.walleij@linaro.org>, Alexandre Courbot <gnurou@gmail.com>, Dmitry Torokhov <dmitry.torokhov@gmail.com>, Bryan Wu <cooloney@gmail.com>, Richard Purdie <rpurdie@rpsys.net>, Samuel Ortiz <sameo@linux.intel.com>, Lee Jones <lee.jones@linaro.org>, Mark Brown <broonie@kernel.org>, Jingoo Han <jg1.han@samsung.com>, Liam Girdwood <lgirdwood@gmail.com> Subject: [PATCH 08/15] ARM: sa1100: make collie use new locomo drivers Date: Tue, 28 Oct 2014 03:02:01 +0300 Message-Id: <1414454528-24240-9-git-send-email-dbaryshkov@gmail.com> In-Reply-To: <1414454528-24240-1-git-send-email-dbaryshkov@gmail.com> References: <1414454528-24240-1-git-send-email-dbaryshkov@gmail.com> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk

diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig index c6f6ed1..37af126 100644 --- a/arch/arm/mach-sa1100/Kconfig +++ b/arch/arm/mach-sa1100/Kconfig @@ -48,7 +48,6 @@ endchoice config SA1100_COLLIE bool "Sharp Zaurus SL5500" # FIXME: select ARM_SA11x0_CPUFREQ - select SHARP_LOCOMO select SHARP_PARAM select SHARP_SCOOP help diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index 108939f..43d3291 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -24,6 +24,7 @@ #include <linux/platform_data/sa11x0-serial.h> #include <linux/platform_device.h> #include <linux/mfd/ucb1x00.h> +#include <linux/mfd/locomo.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/timer.h> @@ -47,7 +48,6 @@ #include <asm/hardware/scoop.h> #include <asm/mach/sharpsl_param.h> -#include <asm/hardware/locomo.h> #include <linux/platform_data/mfd-mcp-sa11x0.h> #include <mach/irqs.h> @@ -189,36 +189,54 @@ static struct platform_device collie_power_device = { .num_resources = ARRAY_SIZE(collie_power_resource), }; -#ifdef CONFIG_SHARP_LOCOMO /* * low-level UART features. */ -struct platform_device collie_locomo_device; +static struct gpio collie_uart_gpio[] = { + { COLLIE_GPIO_CTS, GPIOF_IN, "CTS" }, + { COLLIE_GPIO_RTS, GPIOF_OUT_INIT_LOW, "RTS" }, + { COLLIE_GPIO_DTR, GPIOF_OUT_INIT_LOW, "DTR" }, + { COLLIE_GPIO_DSR, GPIOF_IN, "DSR" }, +}; + +static bool collie_uart_gpio_ok; static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl) { - if (mctrl & TIOCM_RTS) - locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0); - else - locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1); - - if (mctrl & TIOCM_DTR) - locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0); - else - locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1); + if (!collie_uart_gpio_ok) { + int rc = gpio_request_array(collie_uart_gpio, + ARRAY_SIZE(collie_uart_gpio)); + if (rc) + pr_err("collie_uart_set_mctrl: gpio request %d\n", rc); + else + collie_uart_gpio_ok = true; + } + + if (collie_uart_gpio_ok) { + gpio_set_value(COLLIE_GPIO_RTS, !(mctrl & TIOCM_RTS)); + gpio_set_value(COLLIE_GPIO_DTR, !(mctrl & TIOCM_DTR)); + } } static u_int collie_uart_get_mctrl(struct uart_port *port) { int ret = TIOCM_CD; - unsigned int r; - r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR); - if (r == -ENODEV) + if (!collie_uart_gpio_ok) { + int rc = gpio_request_array(collie_uart_gpio, + ARRAY_SIZE(collie_uart_gpio)); + if (rc) + pr_err("collie_uart_get_mctrl: gpio request %d\n", rc); + else + collie_uart_gpio_ok = true; + } + + if (!collie_uart_gpio_ok) return ret; - if (r & LOCOMO_GPIO_CTS) + + if (gpio_get_value(COLLIE_GPIO_CTS)) ret |= TIOCM_CTS; - if (r & LOCOMO_GPIO_DSR) + if (gpio_get_value(COLLIE_GPIO_DSR)) ret |= TIOCM_DSR; return ret; @@ -229,33 +247,6 @@ static struct sa1100_port_fns collie_port_fns __initdata = { .get_mctrl = collie_uart_get_mctrl, }; -static int collie_uart_probe(struct locomo_dev *dev) -{ - return 0; -} - -static int collie_uart_remove(struct locomo_dev *dev) -{ - return 0; -} - -static struct locomo_driver collie_uart_driver = { - .drv = { - .name = "collie_uart", - }, - .devid = LOCOMO_DEVID_UART, - .probe = collie_uart_probe, - .remove = collie_uart_remove, -}; - -static int __init collie_uart_init(void) -{ - return locomo_driver_register(&collie_uart_driver); -} -device_initcall(collie_uart_init); - -#endif - static struct resource locomo_resources[] = { [0] = DEFINE_RES_MEM(0x40000000, SZ_8K), @@ -263,14 +254,28 @@ static struct resource locomo_resources[] = { }; static struct locomo_platform_data locomo_info = { - .irq_base = IRQ_BOARD_START, + .gpio_data = { + .gpio_base = COLLIE_LOCOMO_GPIO_BASE, + }, + .lcd_data = { + .comadj = 128, + .gpio_lcd_vsha_on = COLLIE_GPIO_LCD_VSHA_ON, + .gpio_lcd_vshd_on = COLLIE_GPIO_LCD_VSHD_ON, + .gpio_lcd_vee_on = COLLIE_GPIO_LCD_VEE_ON, + .gpio_lcd_mod = COLLIE_GPIO_LCD_MOD, + }, + .bl_data = { + .gpio_fl_vr = COLLIE_GPIO_FL_VR, + }, + .gpio_amp1_on = COLLIE_GPIO_AMP1_ON, + .gpio_amp2_on = COLLIE_GPIO_AMP2_ON, }; -struct platform_device collie_locomo_device = { +static struct platform_device collie_locomo_device = { .name = "locomo", .id = 0, .dev = { - .platform_data = &locomo_info, + .platform_data = &locomo_info, }, .num_resources = ARRAY_SIZE(locomo_resources), .resource = locomo_resources, @@ -385,10 +390,6 @@ static struct sa1100fb_mach_info collie_lcd_info = { .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), - -#ifdef CONFIG_BACKLIGHT_LOCOMO - .lcd_power = locomolcd_power -#endif }; static void __init collie_init(void) @@ -420,6 +421,8 @@ static void __init collie_init(void) GPSR |= _COLLIE_GPIO_UCB1x00_RESET; + sharpsl_save_param(); + collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN); collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN); @@ -428,6 +431,9 @@ static void __init collie_init(void) platform_scoop_config = &collie_pcmcia_config; + if (sharpsl_param.comadj != -1) + locomo_info.lcd_data.comadj = sharpsl_param.comadj; + ret = platform_add_devices(devices, ARRAY_SIZE(devices)); if (ret) { printk(KERN_WARNING "collie: Unable to register LoCoMo device\n"); @@ -438,8 +444,6 @@ static void __init collie_init(void) ARRAY_SIZE(collie_flash_resources)); sa11x0_register_mcp(&collie_mcp_data); sa11x0_register_irda(&collie_ir_data); - - sharpsl_save_param(); } static struct map_desc collie_io_desc[] __initdata = { @@ -461,9 +465,7 @@ static void __init collie_map_io(void) sa1100_map_io(); iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc)); -#ifdef CONFIG_SHARP_LOCOMO sa1100_register_uart_fns(&collie_port_fns); -#endif sa1100_register_uart(0, 3); sa1100_register_uart(1, 1); } diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h index b478ca1..22a7c7e 100644 --- a/arch/arm/mach-sa1100/include/mach/collie.h +++ b/arch/arm/mach-sa1100/include/mach/collie.h @@ -24,12 +24,12 @@ extern void locomolcd_power(int on); #define COLLIE_SCP_MUTE_L SCOOP_GPCR_PA14 #define COLLIE_SCP_MUTE_R SCOOP_GPCR_PA15 #define COLLIE_SCP_5VON SCOOP_GPCR_PA16 -#define COLLIE_SCP_AMP_ON SCOOP_GPCR_PA17 +#define COLLIE_GPIO_AMP2_ON (COLLIE_SCOOP_GPIO_BASE + 6) #define COLLIE_GPIO_VPEN (COLLIE_SCOOP_GPIO_BASE + 7) #define COLLIE_SCP_LB_VOL_CHG SCOOP_GPCR_PA19 #define COLLIE_SCOOP_IO_DIR (COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R | \ - COLLIE_SCP_5VON | COLLIE_SCP_AMP_ON | \ + COLLIE_SCP_5VON | \ COLLIE_SCP_LB_VOL_CHG) #define COLLIE_SCOOP_IO_OUT (COLLIE_SCP_MUTE_L | COLLIE_SCP_MUTE_R) @@ -81,7 +81,7 @@ extern void locomolcd_power(int on); #define COLLIE_TC35143_GPIO_TBL_CHK UCB_IO_1 #define COLLIE_TC35143_GPIO_VPEN_ON UCB_IO_2 #define COLLIE_GPIO_IR_ON (COLLIE_TC35143_GPIO_BASE + 3) -#define COLLIE_TC35143_GPIO_AMP_ON UCB_IO_4 +#define COLLIE_GPIO_AMP1_ON (COLLIE_TC35143_GPIO_BASE + 4) #define COLLIE_TC35143_GPIO_VERSION1 UCB_IO_5 #define COLLIE_TC35143_GPIO_FS8KLPF UCB_IO_5 #define COLLIE_TC35143_GPIO_BUZZER_BIAS UCB_IO_6 @@ -92,4 +92,23 @@ extern void locomolcd_power(int on); #define COLLIE_TC35143_GPIO_OUT (UCB_IO_1 | UCB_IO_3 | UCB_IO_4 \ | UCB_IO_6) +/* GPIOs on LoCoMo GA */ +#define COLLIE_LOCOMO_GPIO_BASE (GPIO_MAX + 23) +#define COLLIE_GPIO_RTS (COLLIE_LOCOMO_GPIO_BASE + 0) +#define COLLIE_GPIO_CTS (COLLIE_LOCOMO_GPIO_BASE + 1) +#define COLLIE_GPIO_DSR (COLLIE_LOCOMO_GPIO_BASE + 2) +#define COLLIE_GPIO_DTR (COLLIE_LOCOMO_GPIO_BASE + 3) +#define COLLIE_GPIO_LCD_VSHA_ON (COLLIE_LOCOMO_GPIO_BASE + 4) +#define COLLIE_GPIO_LCD_VSHD_ON (COLLIE_LOCOMO_GPIO_BASE + 5) +#define COLLIE_GPIO_LCD_VEE_ON (COLLIE_LOCOMO_GPIO_BASE + 6) +#define COLLIE_GPIO_LCD_MOD (COLLIE_LOCOMO_GPIO_BASE + 7) +#define COLLIE_LOCOMO_GPIO_DAC_ON LOCOMO_GPIO(8) +#define COLLIE_GPIO_FL_VR (COLLIE_LOCOMO_GPIO_BASE + 9) +#define COLLIE_LOCOMO_GPIO_DAC_SDATA LOCOMO_GPIO(10) +#define COLLIE_LOCOMO_GPIO_DAC_SCK LOCOMO_GPIO(11) +#define COLLIE_LOCOMO_GPIO_DAC_SLOAD LOCOMO_GPIO(12) +#define COLLIE_LOCOMO_GPIO_CARD_DETECT LOCOMO_GPIO(13) +#define COLLIE_LOCOMO_GPIO_WRITE_PROT LOCOMO_GPIO(14) +#define COLLIE_LOCOMO_GPIO_CARD_POWER LOCOMO_GPIO(15) + #endif

[08/15] ARM: sa1100: make collie use new locomo drivers

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