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Kinetis: Add support for I2C2

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This commit is contained in:
Gregory Nutt
2016-08-16 10:02:28 -06:00
parent be83e73957
commit a3b061e54f
3 changed files with 125 additions and 26 deletions
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arch/arm/src/kinetis/Kconfig
+53
View File
@@ -37,94 +37,130 @@ config ARCH_CHIP_MK20DX128VLH5
config ARCH_CHIP_MK20DX64VLH7
bool "MK20DX64VLH7"
select ARCH_FAMILY_K20
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK20DX128VLH7
bool "MK20DX128VLH7"
select ARCH_FAMILY_K20
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK20DX256VLH7
bool "MK20DX256VLH7"
select ARCH_FAMILY_K20
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK40N512VLQ100
bool "MK40N512VLQ100"
select ARCH_FAMILY_K40
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK40N512VMD100
bool "MK40N512VMD100"
select ARCH_FAMILY_K40
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK40X128VLQ100
bool "MK40X128VLQ100"
select ARCH_FAMILY_K40
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK40X128VMD100
bool "MK40X128VMD100"
select ARCH_FAMILY_K40
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK40X256VLQ100
bool "MK40X256VLQ100"
select ARCH_FAMILY_K40
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK40X256VMD100
bool "MK40X256VMD100"
select ARCH_FAMILY_K40
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK60N256VLQ100
bool "MK60N256VLQ100"
select ARCH_FAMILY_K60
select KINETIS_HAVE_I2C1
config ARCH_CHIP_MK60N256VMD100
bool "MK60N256VMD100"
select ARCH_FAMILY_K60
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK60N512VLL100
bool "MK60N512VLL100"
select ARCH_FAMILY_K60
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK60N512VLQ100
bool "MK60N512VLQ100"
select ARCH_FAMILY_K60
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK60N512VMD100
bool "MK60N512VMD100"
select ARCH_FAMILY_K60
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK60X256VLQ100
bool "MK60X256VLQ100"
select ARCH_FAMILY_K60
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK60X256VMD100
bool "MK60X256VMD100"
select ARCH_FAMILY_K60
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK64FN1M0VLL12
bool "MK64FN1M0VLL12"
select ARCH_FAMILY_K64
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK64FX512VLL12
bool "MK64FX512VLL12"
select ARCH_FAMILY_K64
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK64FX512VDC12
bool "MK64FX512VDC12"
select ARCH_FAMILY_K64
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK64FN1M0VDC12
bool "MK64FN1M0VDC12"
select ARCH_FAMILY_K64
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK64FX512VLQ12
bool "MK64FX512VLQ12"
select ARCH_FAMILY_K64
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK64FX512VMD12
bool "MK64FX512VMD12"
select ARCH_FAMILY_K64
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
config ARCH_CHIP_MK64FN1M0VMD12
bool "MK64FN1M0VMD12"
select ARCH_FAMILY_K64
select KINETIS_HAVE_I2C1
select KINETIS_HAVE_I2C2
endchoice
@@ -148,6 +184,14 @@ config ARCH_FAMILY_K64
menu "Kinetis Peripheral Support"
config KINETIS_HAVE_I2C1
bool
default n
config KINETIS_HAVE_I2C2
bool
default n
config KINETIS_TRACE
bool "Trace"
default n
@@ -263,6 +307,15 @@ config KINETIS_I2C1
bool "I2C1"
default n
select I2C
depends on KINETIS_HAVE_I2C1
---help---
Support I2C1
config KINETIS_I2C2
bool "I2C2"
default n
select I2C
depends on KINETIS_HAVE_I2C2
---help---
Support I2C1
arch/arm/src/kinetis/chip/kinetis_i2c.h
+28 -24
View File
@@ -78,31 +78,35 @@
#define KINETIS_I2C0_SLTH (KINETIS_I2C0_BASE+KINETIS_I2C_SLTH_OFFSET)
#define KINETIS_I2C0_SLTL (KINETIS_I2C0_BASE+KINETIS_I2C_SLTL_OFFSET)
#define KINETIS_I2C1_A1 (KINETIS_I2C1_BASE+KINETIS_I2C_A1_OFFSET)
#define KINETIS_I2C1_F (KINETIS_I2C1_BASE+KINETIS_I2C_F_OFFSET)
#define KINETIS_I2C1_C1 (KINETIS_I2C1_BASE+KINETIS_I2C_C1_OFFSET)
#define KINETIS_I2C1_S (KINETIS_I2C1_BASE+KINETIS_I2C_S_OFFSET)
#define KINETIS_I2C1_D (KINETIS_I2C1_BASE+KINETIS_I2C_D_OFFSET)
#define KINETIS_I2C1_C2 (KINETIS_I2C1_BASE+KINETIS_I2C_C2_OFFSET)
#define KINETIS_I2C1_FLT (KINETIS_I2C1_BASE+KINETIS_I2C_FLT_OFFSET)
#define KINETIS_I2C1_RA (KINETIS_I2C1_BASE+KINETIS_I2C_RA_OFFSET)
#define KINETIS_I2C1_SMB (KINETIS_I2C1_BASE+KINETIS_I2C_SMB_OFFSET)
#define KINETIS_I2C1_A2 (KINETIS_I2C1_BASE+KINETIS_I2C_A2_OFFSET)
#define KINETIS_I2C1_SLTH (KINETIS_I2C1_BASE+KINETIS_I2C_SLTH_OFFSET)
#define KINETIS_I2C1_SLTL (KINETIS_I2C1_BASE+KINETIS_I2C_SLTL_OFFSET)
#ifdef CONFIG_KINETIS_HAVE_I2C1
# define KINETIS_I2C1_A1 (KINETIS_I2C1_BASE+KINETIS_I2C_A1_OFFSET)
# define KINETIS_I2C1_F (KINETIS_I2C1_BASE+KINETIS_I2C_F_OFFSET)
# define KINETIS_I2C1_C1 (KINETIS_I2C1_BASE+KINETIS_I2C_C1_OFFSET)
# define KINETIS_I2C1_S (KINETIS_I2C1_BASE+KINETIS_I2C_S_OFFSET)
# define KINETIS_I2C1_D (KINETIS_I2C1_BASE+KINETIS_I2C_D_OFFSET)
# define KINETIS_I2C1_C2 (KINETIS_I2C1_BASE+KINETIS_I2C_C2_OFFSET)
# define KINETIS_I2C1_FLT (KINETIS_I2C1_BASE+KINETIS_I2C_FLT_OFFSET)
# define KINETIS_I2C1_RA (KINETIS_I2C1_BASE+KINETIS_I2C_RA_OFFSET)
# define KINETIS_I2C1_SMB (KINETIS_I2C1_BASE+KINETIS_I2C_SMB_OFFSET)
# define KINETIS_I2C1_A2 (KINETIS_I2C1_BASE+KINETIS_I2C_A2_OFFSET)
# define KINETIS_I2C1_SLTH (KINETIS_I2C1_BASE+KINETIS_I2C_SLTH_OFFSET)
# define KINETIS_I2C1_SLTL (KINETIS_I2C1_BASE+KINETIS_I2C_SLTL_OFFSET)
#endif
#define KINETIS_I2C2_A1 (KINETIS_I2C2_BASE+KINETIS_I2C_A1_OFFSET)
#define KINETIS_I2C2_F (KINETIS_I2C2_BASE+KINETIS_I2C_F_OFFSET)
#define KINETIS_I2C2_C1 (KINETIS_I2C2_BASE+KINETIS_I2C_C1_OFFSET)
#define KINETIS_I2C2_S (KINETIS_I2C2_BASE+KINETIS_I2C_S_OFFSET)
#define KINETIS_I2C2_D (KINETIS_I2C2_BASE+KINETIS_I2C_D_OFFSET)
#define KINETIS_I2C2_C2 (KINETIS_I2C2_BASE+KINETIS_I2C_C2_OFFSET)
#define KINETIS_I2C2_FLT (KINETIS_I2C2_BASE+KINETIS_I2C_FLT_OFFSET)
#define KINETIS_I2C2_RA (KINETIS_I2C2_BASE+KINETIS_I2C_RA_OFFSET)
#define KINETIS_I2C2_SMB (KINETIS_I2C2_BASE+KINETIS_I2C_SMB_OFFSET)
#define KINETIS_I2C2_A2 (KINETIS_I2C2_BASE+KINETIS_I2C_A2_OFFSET)
#define KINETIS_I2C2_SLTH (KINETIS_I2C2_BASE+KINETIS_I2C_SLTH_OFFSET)
#define KINETIS_I2C2_SLTL (KINETIS_I2C2_BASE+KINETIS_I2C_SLTL_OFFSET)
#ifdef CONFIG_KINETIS_HAVE_I2C2
# define KINETIS_I2C2_A1 (KINETIS_I2C2_BASE+KINETIS_I2C_A1_OFFSET)
# define KINETIS_I2C2_F (KINETIS_I2C2_BASE+KINETIS_I2C_F_OFFSET)
# define KINETIS_I2C2_C1 (KINETIS_I2C2_BASE+KINETIS_I2C_C1_OFFSET)
# define KINETIS_I2C2_S (KINETIS_I2C2_BASE+KINETIS_I2C_S_OFFSET)
# define KINETIS_I2C2_D (KINETIS_I2C2_BASE+KINETIS_I2C_D_OFFSET)
# define KINETIS_I2C2_C2 (KINETIS_I2C2_BASE+KINETIS_I2C_C2_OFFSET)
# define KINETIS_I2C2_FLT (KINETIS_I2C2_BASE+KINETIS_I2C_FLT_OFFSET)
# define KINETIS_I2C2_RA (KINETIS_I2C2_BASE+KINETIS_I2C_RA_OFFSET)
# define KINETIS_I2C2_SMB (KINETIS_I2C2_BASE+KINETIS_I2C_SMB_OFFSET)
# define KINETIS_I2C2_A2 (KINETIS_I2C2_BASE+KINETIS_I2C_A2_OFFSET)
# define KINETIS_I2C2_SLTH (KINETIS_I2C2_BASE+KINETIS_I2C_SLTH_OFFSET)
# define KINETIS_I2C2_SLTL (KINETIS_I2C2_BASE+KINETIS_I2C_SLTL_OFFSET)
#endif
/* Register Bit Definitions *****************************************************************/
arch/arm/src/kinetis/kinetis_i2c.c
+44 -2
View File
@@ -66,7 +66,8 @@
#include "kinetis.h"
#include "kinetis_i2c.h"
#if defined(CONFIG_KINETIS_I2C0) || defined(CONFIG_KINETIS_I2C1)
#if defined(CONFIG_KINETIS_I2C0) || defined(CONFIG_KINETIS_I2C1) || \
defined(CONFIG_KINETIS_I2C2)
/****************************************************************************
* Pre-processor Definitions
@@ -134,6 +135,9 @@ static int kinetis_i2c0_interrupt(int irq, void *context);
#ifdef CONFIG_KINETIS_I2C1
static int kinetis_i2c1_interrupt(int irq, void *context);
#endif
#ifdef CONFIG_KINETIS_I2C2
static int kinetis_i2c2_interrupt(int irq, void *context);
#endif
static void kinetis_i2c_timeout(int argc, uint32_t arg, ...);
static void kinetis_i2c_setfrequency(struct kinetis_i2cdev_s *priv,
uint32_t frequency);
@@ -168,6 +172,9 @@ static struct kinetis_i2cdev_s g_i2c0_dev;
#ifdef CONFIG_KINETIS_I2C1
static struct kinetis_i2cdev_s g_i2c1_dev;
#endif
#ifdef CONFIG_KINETIS_I2C2
static struct kinetis_i2cdev_s g_i2c2_dev;
#endif
/****************************************************************************
* Private Functions
@@ -829,6 +836,14 @@ static int kinetis_i2c1_interrupt(int irq, void *context)
}
#endif
#ifdef CONFIG_KINETIS_I2C2
static int kinetis_i2c2_interrupt(int irq, void *context)
{
i2cinfo("I2C2 Interrupt...\n");
return kinetis_i2c_interrupt(&g_i2c2_dev);
}
#endif
/****************************************************************************
* Name: kinetis_i2c_transfer
*
@@ -1042,6 +1057,33 @@ struct i2c_master_s *kinetis_i2cbus_initialize(int port)
kinetis_pinconfig(PIN_I2C1_SDA);
}
else
#endif
#ifdef CONFIG_KINETIS_I2C2
if (port == 2)
{
priv = &g_i2c2_dev;
priv->base = KINETIS_I2C2_BASE;
priv->irqid = KINETIS_IRQ_I2C2;
priv->basefreq = BOARD_BUS_FREQ;
handler = kinetis_i2c2_interrupt;
/* Enable clock */
regval = getreg32(KINETIS_SIM_SCGC4);
regval |= SIM_SCGC4_I2C2;
putreg32(regval, KINETIS_SIM_SCGC4);
/* Disable while configuring */
kinetis_i2c_putreg(priv, 0, KINETIS_I2C_C1_OFFSET);
/* Configure pins */
kinetis_pinconfig(PIN_I2C2_SCL);
kinetis_pinconfig(PIN_I2C2_SDA);
}
else
#endif
{
leave_critical_section(flags);
@@ -1108,4 +1150,4 @@ int kinetis_i2cbus_uninitialize(struct i2c_master_s *dev)
return OK;
}
#endif /* CONFIG_KINETIS_I2C0 || CONFIG_KINETIS_I2C1 */
#endif /* CONFIG_KINETIS_I2C0 || CONFIG_KINETIS_I2C1 || CONFIG_KINETIS_I2C2 */