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i2c: rcar_i2c: Add R-Car Gen4 support

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Add support for R-Car Gen4 SoCs into the driver.

While I2C on R-Car Gen4 does support some extra features (Slave Clock
Stretch Select), for now it is treated the same as I2C on R-Car Gen3,
which let us share the same driver.

Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org> # Use RCAR_64 Kconfig
Reviewed-by: Heiko Schocher <hs@denx.de>
This commit is contained in:
Hai Pham 2023-02-28 22:25:51 +01:00 committed by Marek Vasut
parent a5c7613e61
commit 79da1a96c2
2 changed files with 2 additions and 1 deletions
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2
drivers/i2c/Kconfig
View file

@ -496,7 +496,7 @@ config SYS_I2C_OMAP24XX
config SYS_I2C_RCAR_I2C config SYS_I2C_RCAR_I2C
bool "Renesas RCar I2C driver" bool "Renesas RCar I2C driver"
depends on (RCAR_GEN2 || RCAR_GEN3) && DM_I2C depends on (RCAR_GEN2 || RCAR_64) && DM_I2C
help help
Support for Renesas RCar I2C controller. Support for Renesas RCar I2C controller.

1
drivers/i2c/rcar_i2c.c
View file

@ -369,6 +369,7 @@ static const struct dm_i2c_ops rcar_i2c_ops = {
static const struct udevice_id rcar_i2c_ids[] = { static const struct udevice_id rcar_i2c_ids[] = {
{ .compatible = "renesas,rcar-gen2-i2c", .data = RCAR_I2C_TYPE_GEN2 }, { .compatible = "renesas,rcar-gen2-i2c", .data = RCAR_I2C_TYPE_GEN2 },
{ .compatible = "renesas,rcar-gen3-i2c", .data = RCAR_I2C_TYPE_GEN3 }, { .compatible = "renesas,rcar-gen3-i2c", .data = RCAR_I2C_TYPE_GEN3 },
{ .compatible = "renesas,rcar-gen4-i2c", .data = RCAR_I2C_TYPE_GEN3 },
{ } { }
}; };