065177eece
The pca954x is an i2c mux, and this adds support for two variants of this device: the pca9546 and pca9548. This device is very common on BMCs to route a different channel to each PCIe i2c bus downstream from the BMC. Signed-off-by: Patrick Venture <venture@google.com> Reviewed-by: Hao Wu <wuhaotsh@google.com> Reviewed-by: Havard Skinnemoen <hskinnemoen@google.com> Message-Id: <20210412194522.664594-5-venture@google.com> Signed-off-by: Corey Minyard <cminyard@mvista.com>
34 lines
2.1 KiB
Plaintext
34 lines
2.1 KiB
Plaintext
# See docs/devel/tracing.txt for syntax documentation.
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# core.c
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i2c_event(const char *event, uint8_t address) "%s(addr:0x%02x)"
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i2c_send(uint8_t address, uint8_t data) "send(addr:0x%02x) data:0x%02x"
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i2c_recv(uint8_t address, uint8_t data) "recv(addr:0x%02x) data:0x%02x"
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# aspeed_i2c.c
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aspeed_i2c_bus_cmd(uint32_t cmd, const char *cmd_flags, uint32_t count, uint32_t intr_status) "handling cmd=0x%x %s count=%d intr=0x%x"
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aspeed_i2c_bus_raise_interrupt(uint32_t intr_status, const char *str1, const char *str2, const char *str3, const char *str4, const char *str5) "handled intr=0x%x %s%s%s%s%s"
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aspeed_i2c_bus_read(uint32_t busid, uint64_t offset, unsigned size, uint64_t value) "bus[%d]: To 0x%" PRIx64 " of size %u: 0x%" PRIx64
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aspeed_i2c_bus_write(uint32_t busid, uint64_t offset, unsigned size, uint64_t value) "bus[%d]: To 0x%" PRIx64 " of size %u: 0x%" PRIx64
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aspeed_i2c_bus_send(const char *mode, int i, int count, uint8_t byte) "%s send %d/%d 0x%02x"
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aspeed_i2c_bus_recv(const char *mode, int i, int count, uint8_t byte) "%s recv %d/%d 0x%02x"
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# npcm7xx_smbus.c
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npcm7xx_smbus_read(const char *id, uint64_t offset, uint64_t value, unsigned size) "%s offset: 0x%04" PRIx64 " value: 0x%02" PRIx64 " size: %u"
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npcm7xx_smbus_write(const char *id, uint64_t offset, uint64_t value, unsigned size) "%s offset: 0x%04" PRIx64 " value: 0x%02" PRIx64 " size: %u"
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npcm7xx_smbus_start(const char *id, int success) "%s starting, success: %d"
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npcm7xx_smbus_send_address(const char *id, uint8_t addr, int recv, int success) "%s sending address: 0x%02x, recv: %d, success: %d"
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npcm7xx_smbus_send_byte(const char *id, uint8_t value, int success) "%s send byte: 0x%02x, success: %d"
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npcm7xx_smbus_recv_byte(const char *id, uint8_t value) "%s recv byte: 0x%02x"
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npcm7xx_smbus_stop(const char *id) "%s stopping"
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npcm7xx_smbus_nack(const char *id) "%s nacking"
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npcm7xx_smbus_recv_fifo(const char *id, uint8_t received, uint8_t expected) "%s recv fifo: received %u, expected %u"
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# i2c-mux-pca954x.c
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pca954x_write_bytes(uint8_t value) "PCA954X write data: 0x%02x"
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pca954x_read_data(uint8_t value) "PCA954X read data: 0x%02x"
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