hw/arm: gsj add pca9548

Tested: Quanta-gsj firmware booted. i2c /dev entries driver I2C init bus 1 freq 100000 I2C init bus 2 freq 100000 I2C init bus 3 freq 100000 I2C init bus 4 freq 100000 I2C init bus 8 freq 100000 I2C init bus 9 freq 100000 at24 9-0055: 8192 byte 24c64 EEPROM, writable, 1 bytes/write I2C init bus 10 freq 100000 at24 10-0055: 8192 byte 24c64 EEPROM, writable, 1 bytes/write I2C init bus 12 freq 100000 I2C init bus 15 freq 100000 i2c i2c-15: Added multiplexed i2c bus 16 i2c i2c-15: Added multiplexed i2c bus 17 i2c i2c-15: Added multiplexed i2c bus 18 i2c i2c-15: Added multiplexed i2c bus 19 i2c i2c-15: Added multiplexed i2c bus 20 i2c i2c-15: Added multiplexed i2c bus 21 i2c i2c-15: Added multiplexed i2c bus 22 i2c i2c-15: Added multiplexed i2c bus 23 pca954x 15-0075: registered 8 multiplexed busses for I2C switch pca9548 Signed-off-by: Patrick Venture <venture@google.com> Reviewed-by: Hao Wu <wuhaotsh@google.com> Reviewed-by: Joel Stanley <joel@jms.id.au> Message-id: 20210608202522.2677850-3-venture@google.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
qemu · Jun 16, 2021 · 6229659 · 6229659
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commit 6229659
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diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
@@ -378,6 +378,7 @@ config NPCM7XX
     select SERIAL
     select SSI
     select UNIMP
+    select PCA954X
 
 config FSL_IMX25
     bool

diff --git a/hw/arm/npcm7xx_boards.c b/hw/arm/npcm7xx_boards.c
@@ -18,6 +18,7 @@
 
 #include "hw/arm/npcm7xx.h"
 #include "hw/core/cpu.h"
+#include "hw/i2c/i2c_mux_pca954x.h"
 #include "hw/i2c/smbus_eeprom.h"
 #include "hw/loader.h"
 #include "hw/qdev-core.h"
@@ -232,10 +233,7 @@ static void quanta_gsj_i2c_init(NPCM7xxState *soc)
      * - ucd90160@6b
      */
 
-    /*
-     * i2c-15:
-     * - pca9548@75
-     */
+    i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 15), "pca9548", 0x75);
 }
 
 static void quanta_gsj_fan_init(NPCM7xxMachine *machine, NPCM7xxState *soc)