From: yong.shen@freescale.com (yong.shen at freescale.com)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] ARM i.MX53 enable i2c on EVK board
Date: Thu, 6 Jan 2011 20:30:32 +0800 [thread overview]
Message-ID: <1294317033-9194-3-git-send-email-yong.shen@freescale.com> (raw)
In-Reply-To: <1294317033-9194-1-git-send-email-yong.shen@freescale.com>
From: Yong Shen <yong.shen@freescale.com>
add i2c platform data and clock
Signed-off-by: Yong Shen <yong.shen@freescale.com>
---
arch/arm/mach-mx5/Kconfig | 1 +
arch/arm/mach-mx5/board-mx53_evk.c | 7 +++++++
arch/arm/mach-mx5/clock-mx51-mx53.c | 2 ++
arch/arm/mach-mx5/devices-imx53.h | 5 +++++
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 b9ab386..ba6184b 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)
--
1.7.1
next prev parent reply other threads:[~2011-01-06 12:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-06 12:30 [PATCH 0/3] ARM i.MX53: enable some devices on EVK board yong.shen at freescale.com
2011-01-06 12:30 ` [PATCH 1/3] ARM i.MX53: enable fec driver " yong.shen at freescale.com
2011-01-06 15:07 ` Russell King - ARM Linux
2011-01-06 12:30 ` yong.shen at freescale.com [this message]
2011-01-06 12:30 ` [PATCH 3/3] ARM i.MX53 enable sdhc support " yong.shen at freescale.com
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