From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Tue, 11 Jan 2011 16:09:05 +0100 Subject: [PATCH 2/2] ARM i.MXS: Add auart platform support for i.MX28 In-Reply-To: <1294758545-9445-1-git-send-email-s.hauer@pengutronix.de> References: <1294758545-9445-1-git-send-email-s.hauer@pengutronix.de> Message-ID: <1294758545-9445-3-git-send-email-s.hauer@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Sascha Hauer --- arch/arm/mach-mxs/clock-mx28.c | 5 ++ arch/arm/mach-mxs/devices-mx28.h | 8 +++ arch/arm/mach-mxs/devices/Kconfig | 3 + arch/arm/mach-mxs/devices/Makefile | 1 + arch/arm/mach-mxs/devices/platform-auart.c | 54 +++++++++++++++++++++++ arch/arm/mach-mxs/include/mach/devices-common.h | 10 ++++ 6 files changed, 81 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-mxs/devices/platform-auart.c diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c index 74e2103..9f65934 100644 --- a/arch/arm/mach-mxs/clock-mx28.c +++ b/arch/arm/mach-mxs/clock-mx28.c @@ -603,6 +603,11 @@ _DEFINE_CLOCK(fec_clk, ENET, DISABLE, &hbus_clk); static struct clk_lookup lookups[] = { _REGISTER_CLOCK("mxs-duart.0", NULL, uart_clk) + _REGISTER_CLOCK("mxs-auart.0", NULL, uart_clk) + _REGISTER_CLOCK("mxs-auart.1", NULL, uart_clk) + _REGISTER_CLOCK("mxs-auart.2", NULL, uart_clk) + _REGISTER_CLOCK("mxs-auart.3", NULL, uart_clk) + _REGISTER_CLOCK("mxs-auart.4", NULL, uart_clk) _REGISTER_CLOCK("fec.0", NULL, fec_clk) _REGISTER_CLOCK("rtc", NULL, rtc_clk) _REGISTER_CLOCK("pll2", NULL, pll2_clk) diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h index 00b736c..a0b70df 100644 --- a/arch/arm/mach-mxs/devices-mx28.h +++ b/arch/arm/mach-mxs/devices-mx28.h @@ -15,6 +15,14 @@ extern const struct mxs_duart_data mx28_duart_data __initconst; #define mx28_add_duart() \ mxs_add_duart(&mx28_duart_data) +extern const struct mxs_auart_data mx28_auart_data[] __initconst; +#define mx28_add_auart(id) mxs_add_auart(&mx28_auart_data[id]) +#define mx28_add_auart0() mx28_add_auart(0) +#define mx28_add_auart1() mx28_add_auart(1) +#define mx28_add_auart2() mx28_add_auart(2) +#define mx28_add_auart3() mx28_add_auart(3) +#define mx28_add_auart4() mx28_add_auart(4) + extern const struct mxs_fec_data mx28_fec_data[] __initconst; #define mx28_add_fec(id, pdata) \ mxs_add_fec(&mx28_fec_data[id], pdata) diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig index a35a2dc..9d16540 100644 --- a/arch/arm/mach-mxs/devices/Kconfig +++ b/arch/arm/mach-mxs/devices/Kconfig @@ -1,5 +1,8 @@ config MXS_HAVE_PLATFORM_DUART bool +config MXS_HAVE_PLATFORM_AUART + bool + config MXS_HAVE_PLATFORM_FEC bool diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile index 4b5266a..b46d18d 100644 --- a/arch/arm/mach-mxs/devices/Makefile +++ b/arch/arm/mach-mxs/devices/Makefile @@ -1,2 +1,3 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_DUART) += platform-duart.o +obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o diff --git a/arch/arm/mach-mxs/devices/platform-auart.c b/arch/arm/mach-mxs/devices/platform-auart.c new file mode 100644 index 0000000..d5e6cb2 --- /dev/null +++ b/arch/arm/mach-mxs/devices/platform-auart.c @@ -0,0 +1,54 @@ +/* + * 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 +#include + +#define mxs_auart_data_entry_single(soc, _id) \ + { \ + .id = _id, \ + .iobase = soc ## _AUART ## _id ## _BASE_ADDR, \ + .irq = soc ## _INT_AUART ## _id, \ + } + +#define mxs_auart_data_entry(soc, _id) \ + [_id] = mxs_auart_data_entry_single(soc, _id) + +#ifdef CONFIG_SOC_IMX28 +const struct mxs_auart_data mx28_auart_data[] __initconst = { +#define mx28_auart_data_entry(_id) \ + mxs_auart_data_entry(MX28, _id) + mx28_auart_data_entry(0), + mx28_auart_data_entry(1), + mx28_auart_data_entry(2), + mx28_auart_data_entry(3), + mx28_auart_data_entry(4), +}; +#endif + +struct platform_device *__init mxs_add_auart( + const struct mxs_auart_data *data) +{ + struct resource res[] = { + { + .start = data->iobase, + .end = data->iobase + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, { + .start = data->irq, + .end = data->irq, + .flags = IORESOURCE_IRQ, + }, + }; + + return mxs_add_platform_device_dmamask("mxs-auart", data->id, + res, ARRAY_SIZE(res), NULL, 0, + DMA_BIT_MASK(32)); +} + diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h index 3da48d4..b8ab332 100644 --- a/arch/arm/mach-mxs/include/mach/devices-common.h +++ b/arch/arm/mach-mxs/include/mach/devices-common.h @@ -33,6 +33,16 @@ struct mxs_duart_data { struct platform_device *__init mxs_add_duart( const struct mxs_duart_data *data); +/* auart */ +struct mxs_auart_data { + int id; + resource_size_t iobase; + resource_size_t iosize; + resource_size_t irq; +}; +struct platform_device *__init mxs_add_auart( + const struct mxs_auart_data *data); + /* fec */ #include struct mxs_fec_data { -- 1.7.2.3