[PATCH] i.MX35: add cspi1 support
Eric Bénard
eric at eukrea.com
Tue Aug 28 17:35:17 EDT 2012
tested with a m25p128 flash both in nand boot & spi boot.
Signed-off-by: Eric Bénard <eric at eukrea.com>
---
arch/arm/mach-imx/include/mach/devices-imx35.h | 5 +++++
arch/arm/mach-imx/include/mach/imx35-regs.h | 2 ++
arch/arm/mach-imx/speed-imx35.c | 5 +++++
drivers/spi/Kconfig | 2 +-
drivers/spi/imx_spi.c | 2 +-
5 files changed, 14 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-imx/include/mach/devices-imx35.h b/arch/arm/mach-imx/include/mach/devices-imx35.h
index 6c0d750..9ecaa35 100644
--- a/arch/arm/mach-imx/include/mach/devices-imx35.h
+++ b/arch/arm/mach-imx/include/mach/devices-imx35.h
@@ -16,6 +16,11 @@ static inline struct device_d *imx35_add_i2c2(struct i2c_platform_data *pdata)
return imx_add_i2c((void *)IMX_I2C3_BASE, 2, pdata);
}
+static inline struct device_d *imx35_add_spi0(struct spi_imx_master *pdata)
+{
+ return imx_add_spi((void *)IMX_CSPI1_BASE, 0, pdata);
+}
+
static inline struct device_d *imx35_add_uart0(void)
{
return imx_add_uart((void *)IMX_UART1_BASE, 0);
diff --git a/arch/arm/mach-imx/include/mach/imx35-regs.h b/arch/arm/mach-imx/include/mach/imx35-regs.h
index fafcd61..91d4b9b 100644
--- a/arch/arm/mach-imx/include/mach/imx35-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx35-regs.h
@@ -49,6 +49,7 @@
#define IMX_I2C1_BASE 0x43F80000
#define IMX_I2C2_BASE 0x43F98000
#define IMX_I2C3_BASE 0x43F84000
+#define IMX_CSPI1_BASE 0x43FA4000
#define IMX_SDHC1_BASE 0x53FB4000
#define IMX_SDHC2_BASE 0x53FB8000
#define IMX_SDHC3_BASE 0x53FBC000
@@ -75,6 +76,7 @@
#define CCM_CGR2 0x34
#define CCM_CGR3 0x38
+#define CCM_CGR0_CSPI1_SHIFT 10
#define CCM_CGR1_FEC_SHIFT 0
#define CCM_CGR1_I2C1_SHIFT 10
#define CCM_CGR1_SDHC1_SHIFT 26
diff --git a/arch/arm/mach-imx/speed-imx35.c b/arch/arm/mach-imx/speed-imx35.c
index 684dc14..5f0e229 100644
--- a/arch/arm/mach-imx/speed-imx35.c
+++ b/arch/arm/mach-imx/speed-imx35.c
@@ -186,6 +186,11 @@ ulong imx_get_i2cclk(void)
return imx_get_ipg_perclk();
}
+unsigned long imx_get_cspiclk(void)
+{
+ return imx_get_ipgclk();
+}
+
void imx_dump_clocks(void)
{
printf("mpll: %10ld Hz\n", imx_get_mpllclk());
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 609bafd..7a2f54a 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -16,7 +16,7 @@ config DRIVER_SPI_IMX_0_0
config DRIVER_SPI_IMX_0_7
bool
- depends on ARCH_IMX25
+ depends on ARCH_IMX25 || ARCH_IMX35
default y
config DRIVER_SPI_IMX_2_3
diff --git a/drivers/spi/imx_spi.c b/drivers/spi/imx_spi.c
index 42358f2..06cee86 100644
--- a/drivers/spi/imx_spi.c
+++ b/drivers/spi/imx_spi.c
@@ -517,7 +517,7 @@ static int imx_spi_probe(struct device_d *dev)
version = SPI_IMX_VER_0_0;
#endif
#ifdef CONFIG_DRIVER_SPI_IMX_0_7
- if (cpu_is_mx25())
+ if (cpu_is_mx25() || cpu_is_mx35())
version = SPI_IMX_VER_0_7;
#endif
#ifdef CONFIG_DRIVER_SPI_IMX_2_3
--
1.7.7.6
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