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| author | Yong Shen <yong.shen@freescale.com> | 2011-01-07 12:25:33 +0800 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-01-07 15:20:53 +0100 |
| commit | 0d7671ee66964760a718aa6d0277453b02a2c9b3 (patch) | |
| tree | 3d15add1376f1866fc4e6fcf8011f7d6e017457c | |
| parent | 639047677b2fc931d6874807a7b596a236071015 (diff) | |
| download | kernel_samsung_smdk4412-0d7671ee66964760a718aa6d0277453b02a2c9b3.zip kernel_samsung_smdk4412-0d7671ee66964760a718aa6d0277453b02a2c9b3.tar.gz kernel_samsung_smdk4412-0d7671ee66964760a718aa6d0277453b02a2c9b3.tar.bz2 | |
ARM i.MX53 enable i2c on EVK board
add i2c platform data and clock
Signed-off-by: Yong Shen <yong.shen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | arch/arm/mach-mx5/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/board-mx53_evk.c | 7 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/clock-mx51-mx53.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mx5/devices-imx53.h | 5 | ||||
| -rw-r--r-- | arch/arm/plat-mxc/devices/platform-imx-i2c.c | 9 |
5 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 55254b6..632d711 100644 --- a/arch/arm/mach-mx5/Kconfig +++ b/arch/arm/mach-mx5/Kconfig @@ -124,6 +124,7 @@ config MACH_MX53_EVK bool "Support MX53 EVK platforms" select SOC_IMX53 select IMX_HAVE_PLATFORM_IMX_UART + select IMX_HAVE_PLATFORM_IMX_I2C help Include support for MX53 EVK platform. This includes specific configurations for the board and its peripherals. diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c index 8a744ae..d0b4570 100644 --- a/arch/arm/mach-mx5/board-mx53_evk.c +++ b/arch/arm/mach-mx5/board-mx53_evk.c @@ -65,6 +65,10 @@ static inline void mx53_evk_init_uart(void) imx53_add_imx_uart(2, &mx53_evk_uart_pdata); } +static const struct imxi2c_platform_data mx53_evk_i2c_data __initconst = { + .bitrate = 100000, +}; + static inline void mx53_evk_fec_reset(void) { int ret; @@ -92,6 +96,9 @@ static void __init mx53_evk_board_init(void) mx53_evk_init_uart(); mx53_evk_fec_reset(); imx53_add_fec(&mx53_evk_fec_pdata); + + imx53_add_imx_i2c(0, &mx53_evk_i2c_data); + imx53_add_imx_i2c(1, &mx53_evk_i2c_data); } static void __init mx53_evk_timer_init(void) diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c index b21bc47..0ade3c4 100644 --- a/arch/arm/mach-mx5/clock-mx51-mx53.c +++ b/arch/arm/mach-mx5/clock-mx51-mx53.c @@ -1326,6 +1326,8 @@ static struct clk_lookup mx53_lookups[] = { _REGISTER_CLOCK(NULL, "gpt", gpt_clk) _REGISTER_CLOCK("fec.0", NULL, fec_clk) _REGISTER_CLOCK(NULL, "iim_clk", iim_clk) + _REGISTER_CLOCK("imx-i2c.0", NULL, i2c1_clk) + _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk) }; static void clk_tree_init(void) diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h index dbf1989..ca1232b 100644 --- a/arch/arm/mach-mx5/devices-imx53.h +++ b/arch/arm/mach-mx5/devices-imx53.h @@ -15,3 +15,8 @@ extern const struct imx_fec_data imx53_fec_data __initconst; extern const struct imx_imx_uart_1irq_data imx53_imx_uart_data[] __initconst; #define imx53_add_imx_uart(id, pdata) \ imx_add_imx_uart_1irq(&imx53_imx_uart_data[id], pdata) + + +extern const struct imx_imx_i2c_data imx53_imx_i2c_data[] __initconst; +#define imx53_add_imx_i2c(id, pdata) \ + imx_add_imx_i2c(&imx53_imx_i2c_data[id], pdata) diff --git a/arch/arm/plat-mxc/devices/platform-imx-i2c.c b/arch/arm/plat-mxc/devices/platform-imx-i2c.c index 72ba880..7ba94e1 100644 --- a/arch/arm/plat-mxc/devices/platform-imx-i2c.c +++ b/arch/arm/plat-mxc/devices/platform-imx-i2c.c @@ -78,6 +78,15 @@ const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst = { }; #endif /* ifdef CONFIG_SOC_IMX51 */ +#ifdef CONFIG_SOC_IMX53 +const struct imx_imx_i2c_data imx53_imx_i2c_data[] __initconst = { +#define imx53_imx_i2c_data_entry(_id, _hwid) \ + imx_imx_i2c_data_entry(MX53, _id, _hwid, SZ_4K) + imx53_imx_i2c_data_entry(0, 1), + imx53_imx_i2c_data_entry(1, 2), +}; +#endif /* ifdef CONFIG_SOC_IMX51 */ + struct platform_device *__init imx_add_imx_i2c( const struct imx_imx_i2c_data *data, const struct imxi2c_platform_data *pdata) |