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    Subject[PATCH v2 3/4] Device bindings documentation updated ACPI-enabled platforms not currently supported
    Date
    From: Luis Oliveira <lolivei@synopsys.com>

    Signed-off-by: Luis Oliveira <lolivei@synopsys.com>
    ---
    Documentation/devicetree/bindings/i2c/i2c-designware.txt | 5 ++++-
    drivers/i2c/busses/i2c-designware-platdrv.c | 4 +++-
    2 files changed, 7 insertions(+), 2 deletions(-)

    diff --git a/Documentation/devicetree/bindings/i2c/i2c-designware.txt b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
    index fee26dc..d3d163c 100644
    --- a/Documentation/devicetree/bindings/i2c/i2c-designware.txt
    +++ b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
    @@ -19,6 +19,8 @@ Optional properties :

    - i2c-sda-falling-time-ns : should contain the SDA falling time in nanoseconds.
    This value which is by default 300ns is used to compute the tHIGH period.
    +
    + - is-slave : indicates if the block is a I2C slave device.

    Example :

    @@ -30,7 +32,7 @@ Example :
    interrupts = <11>;
    clock-frequency = <400000>;
    };
    -
    +
    i2c@1120000 {
    #address-cells = <1>;
    #size-cells = <0>;
    @@ -42,4 +44,5 @@ Example :
    i2c-sda-hold-time-ns = <300>;
    i2c-sda-falling-time-ns = <300>;
    i2c-scl-falling-time-ns = <300>;
    + is-slave;
    };
    diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
    index b9076da..f29e657 100644
    --- a/drivers/i2c/busses/i2c-designware-platdrv.c
    +++ b/drivers/i2c/busses/i2c-designware-platdrv.c
    @@ -238,7 +238,9 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
    &dev->scl_falling_time);
    device_property_read_u32(&pdev->dev, "clock-frequency",
    &dev->clk_freq);
    - is_slave = device_property_read_bool(&pdev->dev, "isslave");
    +#ifndef CONFIG_ACPI
    + is_slave = device_property_read_bool(&pdev->dev, "is-slave");
    +#endif
    }

    acpi_speed = i2c_acpi_find_bus_speed(&pdev->dev);
    --
    2.10.1

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