Messages in this thread Patch in this message |  | | From | Luis.Oliveira@synopsys ... | Subject | [PATCH v2 3/4] Device bindings documentation updated ACPI-enabled platforms not currently supported | Date | Fri, 14 Oct 2016 17:52:50 +0100 |
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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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