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hw/arm: Add I2C sensors for NPCM750 eval board

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Add I2C temperature sensors for NPCM750 eval board.

Reviewed-by: Doug Evans<dje@google.com>
Reviewed-by: Tyrong Ting<kfting@nuvoton.com>
Signed-off-by: Hao Wu <wuhaotsh@google.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20210210220426.3577804-3-wuhaotsh@google.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Hao Wu 2021-02-10 14:04:23 -08:00 committed by Peter Maydell
parent 94e7787939
commit 86248f533e
1 changed files with 19 additions and 0 deletions
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19
hw/arm/npcm7xx_boards.c
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@ -98,6 +98,24 @@ static NPCM7xxState *npcm7xx_create_soc(MachineState *machine,
return NPCM7XX(obj);
}
static I2CBus *npcm7xx_i2c_get_bus(NPCM7xxState *soc, uint32_t num)
{
g_assert(num < ARRAY_SIZE(soc->smbus));
return I2C_BUS(qdev_get_child_bus(DEVICE(&soc->smbus[num]), "i2c-bus"));
}
static void npcm750_evb_i2c_init(NPCM7xxState *soc)
{
/* lm75 temperature sensor on SVB, tmp105 is compatible */
i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 0), "tmp105", 0x48);
/* lm75 temperature sensor on EB, tmp105 is compatible */
i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 1), "tmp105", 0x48);
/* tmp100 temperature sensor on EB, tmp105 is compatible */
i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 2), "tmp105", 0x48);
/* tmp100 temperature sensor on SVB, tmp105 is compatible */
i2c_slave_create_simple(npcm7xx_i2c_get_bus(soc, 6), "tmp105", 0x48);
}
static void npcm750_evb_init(MachineState *machine)
{
NPCM7xxState *soc;
@ -108,6 +126,7 @@ static void npcm750_evb_init(MachineState *machine)
npcm7xx_load_bootrom(machine, soc);
npcm7xx_connect_flash(&soc->fiu[0], 0, "w25q256", drive_get(IF_MTD, 0, 0));
npcm750_evb_i2c_init(soc);
npcm7xx_load_kernel(machine, soc);
}