| Message ID | 1465370066-8450-3-git-send-email-horms+renesas@verge.net.au (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Jun 08, 2016 at 04:14:24PM +0900, Simon Horman wrote: > Make it possible to select which I2C1 IP core you want to run on the > EXIO-A connector. > > This is based on reference work for the I2C0 core of the lager by Wolfram Sang. > > Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Given the PFC problem gets solved, why can't you switch to GP1_16 and GP1_17 for those?
On Mon, Jun 13, 2016 at 04:33:04PM +0200, Wolfram Sang wrote: > On Wed, Jun 08, 2016 at 04:14:24PM +0900, Simon Horman wrote: > > Make it possible to select which I2C1 IP core you want to run on the > > EXIO-A connector. > > > > This is based on reference work for the I2C0 core of the lager by Wolfram Sang. > > > > Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> > > Signed-off-by: Simon Horman <horms+renesas@verge.net.au> > > Given the PFC problem gets solved, why can't you switch to GP1_16 and > GP1_17 for those? Thanks, I missed that. I will see about making it so.
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts index 71d62ca282ea..20abb1470f91 100644 --- a/arch/arm/boot/dts/r8a7790-lager.dts +++ b/arch/arm/boot/dts/r8a7790-lager.dts @@ -51,6 +51,7 @@ serial0 = &scif0; serial1 = &scifa1; i2c8 = "i2cexio0"; + i2c9 = "i2cexio1"; }; chosen { @@ -270,6 +271,18 @@ #address-cells = <1>; #size-cells = <0>; }; + + /* + * IIC1/I2C1 is routed to EXIO connector A, pins 78 (SCL) + 80 (SDA). + * For further notes see i2cexio0. + */ + i2cexio1: i2c-9 { + compatible = "i2c-demux-pinctrl"; + i2c-parent = <&iic1>, <&i2c1>; + i2c-bus-name = "i2c-exio1"; + #address-cells = <1>; + #size-cells = <0>; + }; }; &du { @@ -392,6 +405,11 @@ function = "iic0"; }; + i2c1_pins: i2c1 { + groups = "i2c1"; + function = "i2c1"; + }; + iic1_pins: iic1 { groups = "iic1"; function = "iic1"; @@ -588,10 +606,14 @@ pinctrl-names = "i2c-exio0"; }; +&i2c1 { + pinctrl-0 = <&i2c1_pins>; + pinctrl-names = "i2c-exio1"; +}; + &iic1 { - status = "okay"; pinctrl-0 = <&iic1_pins>; - pinctrl-names = "default"; + pinctrl-names = "i2c-exio1"; }; &iic2 {
Make it possible to select which I2C1 IP core you want to run on the EXIO-A connector. This is based on reference work for the I2C0 core of the lager by Wolfram Sang. Cc: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au> --- arch/arm/boot/dts/r8a7790-lager.dts | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-)