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Add a very basic driver for the CS2100-CP Fractional-N Multipler chip.
This commit is contained in:
Gregory Nutt
@@ -3832,7 +3832,7 @@ void lpwork_restorepriority(uint8_t reqprio);
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</p>
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<p>
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<code>boardctl()</code> is <i>non-standard</i> OS interface to alleviate the problem.
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It basically circumvents the normal device driver <code>ioctl()</code> interlace and allows the application to perform direction IOCTL-like calls to the board-specific logic.
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It basically circumvents the normal device driver <code>ioctl()</code> interlace and allows the application to perform direct IOCTL-like calls to the board-specific logic.
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It is especially useful for setting up board operational and test configurations.
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</p>
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<p>
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@@ -716,6 +716,21 @@ WM8904 Audio Codec
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PD26 TD DACDAT Digital audio input (headphone)
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---- ------------ ------- ----------------------------------
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CP2100-CP Fractional-N Clock Multiplier
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--------------------------------------
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SAMV71 Interface CP2100-CP Interface
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---- ------------ ------- ----------------------------------
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PIO Usage Pin Function
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---- ------------ ------- ----------------------------------
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PA3 TWD0 SDA I2C control interface, data line
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PA4 TWCK0 SCLK I2C control interface, clock line
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PD21 TIOA11 CLK_IN PLL input
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- - XTI/XTO 12.0MHz crystal
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PA22 RK CLK_OUT PLL output
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- - AUX_OUT N/C
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---- ------------ ------- ----------------------------------
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maXTouch Xplained Pro
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=====================
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@@ -3,6 +3,8 @@
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# see misc/tools/kconfig-language.txt.
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#
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menu "Timer Driver Support"
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menuconfig TIMER
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bool "Timer Support"
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default n
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@@ -132,3 +134,21 @@ config WATCHDOG_DEVPATH
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default "/dev/watchdog0"
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endif # WATCHDOG
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config TIMERS_CS2100CP
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bool "CS2100-CP Fraction-N Clock Multiplier"
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depends on I2C
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select I2C_TRANSFER
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if TIMERS_CS2100CP
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config CS2100CP_DEBUG
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bool "Enable CS2100-CP Debug Features"
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depends on DEBUG
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config CS2100CP_REGDEBUG
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bool "Enable CS2100-CP Register Debug"
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depends on DEBUG
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endif # TIMERS_CS2100CP
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endmenu # Timer Driver Support
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@@ -57,6 +57,12 @@ ifeq ($(CONFIG_RTC_DRIVER),y)
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TMRVPATH = :timers
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endif
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ifeq ($(CONFIG_TIMERS_CS2100CP),y)
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CSRCS += cs2100-cp.c
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TMRDEPPATH = --dep-path timers
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TMRVPATH = :timers
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endif
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# Include timer build support (if any were selected)
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DEPPATH += $(TMRDEPPATH)
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Executable
+836
File diff suppressed because it is too large
Load Diff
@@ -45,9 +45,29 @@
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#include <stdint.h>
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#include <nuttx/i2c.h>
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#ifdef CONFIG_TIMERS_CS2100CP
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/********************************************************************************************
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* Pre-processor Definitions
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********************************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_I2C
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# error I2C driver support is required (CONFIG_I2C)
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#else
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# ifndef CONFIG_I2C_TRANSFER
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# error I2C transfer method is required (CONFIG_I2C_TRANSFER)
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# endif
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#endif
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#ifndef CONFIG_TIMERS_CS2100CP_CLKINBW
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# define CONFIG_TIMERS_CS2100CP_CLKINBW 16
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#endif
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#ifndef CONFIG_DEBUG
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# undef CONFIG_CS2100CP_DEBUG
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# undef CONFIG_CS2100CP_REGDEBUG
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#endif
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/* Register Addresses ***********************************************************************/
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@@ -77,7 +97,7 @@
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#define CS2100_DEVCTL_CLKOUTDIS (1 << 0) /* Bit 0: CLK_OUT disable */
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#define CS2100_DEVCTL_AUXOUTDIS (1 << 1) /* Bit 1: AUX_OUT disable */
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#define CS2100_DEVCTL_UNLOCK (1 << 31) /* Bit 31: Unlock PLL */
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#define CS2100_DEVCTL_UNLOCK (1 << 7) /* Bit 7: Unlock PLL */
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/* Device Configuration 1 */
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@@ -141,6 +161,17 @@
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* Public Types
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********************************************************************************************/
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struct cs2100_config_s
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{
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FAR struct i2c_dev_s *i2c; /* Instance of an I2C interface */
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uint32_t refclk; /* RefClk/XTAL frequency */
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uint32_t clkin; /* Frequency CLK_IN provided to the CS2100-CP */
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uint32_t clkout; /* Desired CLK_OUT frequency */
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uint8_t i2caddr; /* CP2100-CP I2C address */
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uint8_t loopbw; /* Minimum loop bandwidth: 1-128 */
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bool xtal; /* false: Refclck, true: Crystal on XTI/XTO */
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};
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/********************************************************************************************
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* Public Data
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********************************************************************************************/
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@@ -157,9 +188,62 @@ extern "C"
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* Public Function Prototypes
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********************************************************************************************/
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struct i2c_dev_s; /* Forward reference */
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/********************************************************************************************
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* Name: cs2100_enable
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*
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* Description:
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* Enable CS2100 CLK_OUT using the provide parameters
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*
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* Input Parameters:
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* config - CS2100-CP configuration
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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********************************************************************************************/
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int cs2100_enable(FAR const struct cs2100_config_s *config);
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/********************************************************************************************
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* Name: cs2100_disable
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*
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* Description:
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* Disable CS2100 CLK_OUT
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*
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* Input Parameters:
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* config - CS2100-CP configuration (Needed only for I2C access: i2c and i2caddr)
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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********************************************************************************************/
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int cs2100_disable(FAR const struct cs2100_config_s *config);
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/********************************************************************************************
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* Name: cs2100_dump
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*
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* Description:
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* Dump CS2100-CP registers to the SysLog
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*
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* Input Parameters:
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* config - CS2100-CP configuration (Needed only for I2C access: i2c and i2caddr)
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure.
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*
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********************************************************************************************/
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#ifdef CONFIG_CS2100CP_DEBUG
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int cs2100_dump(FAR const struct cs2100_config_s *config);
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* CONFIG_TIMERS_CS2100CP */
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#endif /* __INCLUDE_NUTTX_TIMERS_CS2100_CP_H */
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@@ -147,7 +147,7 @@ struct boardioc_graphics_s
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*
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* boardctl() is non-standard OS interface to alleviate the problem. It
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* basically circumvents the normal device driver ioctl interlace and allows
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* the application to perform direction IOCTL-like calls to the board-specific
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* the application to perform direct IOCTL-like calls to the board-specific
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* logic. It is especially useful for setting up board operational and
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* test configurations.
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*
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