diff mbox series

[2/4] hw/arm: gsj add pca9548

Message ID 20210518194118.755410-3-venture@google.com
State New
Headers show
Series With the pca954x i2c mux available, enable it on aspeed and nuvoton BMC boards. | expand

Commit Message

Patrick Venture May 18, 2021, 7:41 p.m. UTC
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>
---
 hw/arm/Kconfig          | 1 +
 hw/arm/npcm7xx_boards.c | 6 ++----
 2 files changed, 3 insertions(+), 4 deletions(-)

Comments

Joel Stanley May 18, 2021, 11:22 p.m. UTC | #1
On Tue, 18 May 2021 at 19:41, Patrick Venture <venture@google.com> wrote:
>
> 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>
diff mbox series

Patch

diff --git a/hw/arm/Kconfig b/hw/arm/Kconfig
index b887f6a5b1..9d1c2a6f7b 100644
--- a/hw/arm/Kconfig
+++ b/hw/arm/Kconfig
@@ -377,6 +377,7 @@  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
index 9b7a7cd201..f0a96564e2 100644
--- 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"
@@ -231,10 +232,7 @@  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)