On 03/01/17 17:59, Luis Oliveira wrote:
- Definitions were added to core library
- A example was added to designware-core.txt Documentation that shows
how the slave can be setup using DTS
SLAVE related definitions were added to the core of the controller.
Signed-off-by: Luis Oliveira <lolivei@xxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
V5->V6
- Included an example of use in the device tree binding document
(with the RESEND)
- Removed the i2c-designware.txt binding leading 0 to add the Rob
Herring ack.
.../devicetree/bindings/i2c/i2c-designware.txt | 16 +++++++++-
drivers/i2c/busses/i2c-designware-core.h | 35 ++++++++++++++++++++--
2 files changed, 48 insertions(+), 3 deletions(-)
...
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index 35d7264d9e3a..b620d76ffc8d 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -1,5 +1,5 @@
...
@@ -196,7 +221,11 @@
* @acquire_lock: function to acquire a hardware lock on the bus
* @release_lock: function to release a hardware lock on the bus
* @pm_runtime_disabled: true if pm runtime is disabled
- *
+ * @dynamic_tar_update_enabled: true if dynamic TAR update is enabled
+ * @disable: function to disable the controller
+ * @disable_int: function to disable all interrupts
+ * @init: function to initialize the I2C hardware
+ * @mode: operation mode - I2C slave or I2C master
* HCNT and LCNT parameters can be used if the platform knows more accurate
* values than the one computed based only on the input clock frequency.
* Leave them to be %0 if not used.
@@ -206,6 +235,7 @@ struct dw_i2c_dev {
void __iomem *base;
struct completion cmd_complete;
struct clk *clk;
+ struct i2c_client *slave;
u32 (*get_clk_rate_khz) (struct dw_i2c_dev *dev);
struct dw_pci_controller *controller;
int cmd_err;
@@ -225,6 +255,7 @@ struct dw_i2c_dev {
struct i2c_adapter adapter;
u32 functionality;
u32 master_cfg;
+ u32 slave_cfg;
unsigned int tx_fifo_depth;
unsigned int rx_fifo_depth;
int rx_outstanding;
You should add comments for "slave" and "slave_cfg" since they are added
here and move comments for other members variables to patches 3/6 and
5/6 where they are added.
--
Jarkko
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