hw/arm: quanta-gbs-bmc add i2c comments

Add a comment and i2c method that describes the board layout.

Tested: firmware booted to userspace.
Signed-off-by: Patrick Venture <venture@google.com>
Reviewed-by: Brandon Kim <brandonkim@google.com>
Reviewed-by: Hao Wu <wuhaotsh@google.com>
Message-id: 20210608193605.2611114-3-venture@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Patrick Venture 2021-06-08 12:36:05 -07:00 committed by Peter Maydell
parent a8b3ddde6c
commit 1c7f3e248e

View File

@ -238,6 +238,65 @@ static void quanta_gsj_fan_init(NPCM7xxMachine *machine, NPCM7xxState *soc)
npcm7xx_connect_pwm_fan(soc, &splitter[2], 0x05, 1);
}
static void quanta_gbs_i2c_init(NPCM7xxState *soc)
{
/*
* i2c-0:
* pca9546@71
*
* i2c-1:
* pca9535@24
* pca9535@20
* pca9535@21
* pca9535@22
* pca9535@23
* pca9535@25
* pca9535@26
*
* i2c-2:
* sbtsi@4c
*
* i2c-5:
* atmel,24c64@50 mb_fru
* pca9546@71
* - channel 0: max31725@54
* - channel 1: max31725@55
* - channel 2: max31725@5d
* atmel,24c64@51 fan_fru
* - channel 3: atmel,24c64@52 hsbp_fru
*
* i2c-6:
* pca9545@73
*
* i2c-7:
* pca9545@72
*
* i2c-8:
* adi,adm1272@10
*
* i2c-9:
* pca9546@71
* - channel 0: isil,isl68137@60
* - channel 1: isil,isl68137@61
* - channel 2: isil,isl68137@63
* - channel 3: isil,isl68137@45
*
* i2c-10:
* pca9545@71
*
* i2c-11:
* pca9545@76
*
* i2c-12:
* maxim,max34451@4e
* isil,isl68137@5d
* isil,isl68137@5e
*
* i2c-14:
* pca9545@70
*/
}
static void npcm750_evb_init(MachineState *machine)
{
NPCM7xxState *soc;
@ -282,6 +341,7 @@ static void quanta_gbs_init(MachineState *machine)
npcm7xx_connect_flash(&soc->fiu[0], 0, "mx66u51235f",
drive_get(IF_MTD, 0, 0));
quanta_gbs_i2c_init(soc);
npcm7xx_load_kernel(machine, soc);
}