From: Sascha Hauer Date: Tue, 25 Jan 2011 10:58:15 +0000 (+0100) Subject: ARM: mxs: Add pwm clocks and device registration X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2301dfa7be2cb3e6bdd07cc1cb349b5853c4d5ee;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git ARM: mxs: Add pwm clocks and device registration Signed-off-by: Sascha Hauer Signed-off-by: Uwe Kleine-König --- diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 55bf075add9b..836cc81a63a1 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -8,10 +8,12 @@ config MXS_OCOTP config SOC_IMX23 bool select CPU_ARM926T + select HAVE_PWM config SOC_IMX28 bool select CPU_ARM926T + select HAVE_PWM comment "MXS platforms:" diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c index 7c5dace92b91..38ee1b17a27d 100644 --- a/arch/arm/mach-mxs/clock-mx23.c +++ b/arch/arm/mach-mxs/clock-mx23.c @@ -447,7 +447,11 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK(NULL, "hclk", hbus_clk) _REGISTER_CLOCK(NULL, "usb", usb_clk) _REGISTER_CLOCK(NULL, "audio", audio_clk) - _REGISTER_CLOCK(NULL, "pwm", pwm_clk) + _REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.1", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk) }; static int clk_misc_init(void) diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index febd787f054f..40726c70328f 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -622,7 +622,14 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK("flexcan.1", NULL, can1_clk) _REGISTER_CLOCK(NULL, "usb0", usb0_clk) _REGISTER_CLOCK(NULL, "usb1", usb1_clk) - _REGISTER_CLOCK(NULL, "pwm", pwm_clk) + _REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.1", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.5", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.6", NULL, pwm_clk) + _REGISTER_CLOCK("mxs-pwm.7", NULL, pwm_clk) _REGISTER_CLOCK(NULL, "lradc", lradc_clk) _REGISTER_CLOCK(NULL, "spdif", spdif_clk) }; diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h index c4d4773d3e85..7fb27b12bea9 100644 --- a/arch/arm/mach-mxs/devices-mx23.h +++ b/arch/arm/mach-mxs/devices-mx23.h @@ -19,3 +19,5 @@ extern const struct mxs_auart_data mx23_auart_data[] __initconst; #define mx23_add_auart(id) mxs_add_auart(&mx23_auart_data[id]) #define mx23_add_auart0() mx23_add_auart(0) #define mx23_add_auart1() mx23_add_auart(1) + +#define mx23_add_mxs_pwm(id) mxs_add_mxs_pwm(MX23_PWM_BASE_ADDR, id) diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 3b18304c5653..69d19ea19d4d 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -32,3 +32,5 @@ extern const struct mxs_flexcan_data mx28_flexcan_data[] __initconst; mxs_add_flexcan(&mx28_flexcan_data[id], pdata) #define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata) #define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata) + +#define mx28_add_mxs_pwm(id) mxs_add_mxs_pwm(MX28_PWM_BASE_ADDR, id) diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig index 6c65b6716cf7..3aeec246e746 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -11,3 +11,6 @@ config MXS_HAVE_PLATFORM_FEC config MXS_HAVE_PLATFORM_FLEXCAN select HAVE_CAN_FLEXCAN if CAN bool + +config MXS_HAVE_PLATFORM_MXS_PWM + bool diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index a8dc8d5f6e1e..978310fcafd6 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_MXS_HAVE_AMBA_DUART) += amba-duart.o obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o +obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o diff --git a/arch/arm/mach-mxs/devices/platform-mxs-pwm.c b/arch/arm/mach-mxs/devices/platform-mxs-pwm.c new file mode 100644 index 000000000000..680f5a902936 --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-mxs-pwm.c @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2010 Pengutronix + * Sascha Hauer + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation. + */ +#include +#include + +struct platform_device *__init mxs_add_mxs_pwm(resource_size_t iobase, int id) +{ + struct resource res = { + .flags = IORESOURCE_MEM, + }; + + res.start = iobase + 0x10 + 0x20 * id; + res.end = res.start + 0x1f; + + return mxs_add_platform_device("mxs-pwm", id, &res, 1, NULL, 0); +} diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index e7aefb467ab3..d460d3045555 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -63,3 +63,7 @@ struct mxs_flexcan_data { struct platform_device *__init mxs_add_flexcan( const struct mxs_flexcan_data *data, const struct flexcan_platform_data *pdata); + +/* pwm */ +struct platform_device *__init mxs_add_mxs_pwm( + resource_size_t iobase, int id);