| Message ID | 1401780790-17830-2-git-send-email-antoine.tenart@free-electrons.com |
|---|---|
| State | New |
| Headers | show |
On 06/03/2014 09:33 AM, Antoine Ténart wrote: > The Marvell Berlin BG2Q has 4 TWSI compatible with the Synopsys > DesignWare I2C driver. Add the corresponding nodes. > > The pin-muxing setup is also done here, since there cannot be another > muxing setup if I2C{0,1,2,3} are enabled. > > Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com> Applied to berlin/dt. Thanks! > --- > arch/arm/boot/dts/berlin2q.dtsi | 72 +++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 72 insertions(+) > > diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi > index 635a16a64cb4..0624868e36e3 100644 > --- a/arch/arm/boot/dts/berlin2q.dtsi > +++ b/arch/arm/boot/dts/berlin2q.dtsi > @@ -191,6 +191,32 @@ > }; > }; > > + i2c0: i2c@1400 { > + compatible = "snps,designware-i2c"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0x1400 0x100>; > + interrupt-parent = <&aic>; > + interrupts = <4>; > + clocks = <&chip CLKID_CFG>; > + pinctrl-0 = <&twsi0_pmux>; > + pinctrl-names = "default"; > + status = "disabled"; > + }; > + > + i2c1: i2c@1800 { > + compatible = "snps,designware-i2c"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0x1800 0x100>; > + interrupt-parent = <&aic>; > + interrupts = <5>; > + clocks = <&chip CLKID_CFG>; > + pinctrl-0 = <&twsi1_pmux>; > + pinctrl-names = "default"; > + status = "disabled"; > + }; > + > timer0: timer@2c00 { > compatible = "snps,dw-apb-timer"; > reg = <0x2c00 0x14>; > @@ -301,6 +327,16 @@ > reg = <0xea0000 0x400>, <0xdd0170 0x10>; > clocks = <&refclk>; > clock-names = "refclk"; > + > + twsi0_pmux: twsi0-pmux { > + groups = "G6"; > + function = "twsi0"; > + }; > + > + twsi1_pmux: twsi1-pmux { > + groups = "G7"; > + function = "twsi1"; > + }; > }; > > apb@fc0000 { > @@ -311,6 +347,32 @@ > ranges = <0 0xfc0000 0x10000>; > interrupt-parent = <&sic>; > > + i2c2: i2c@7000 { > + compatible = "snps,designware-i2c"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0x7000 0x100>; > + interrupt-parent = <&sic>; > + interrupts = <6>; > + clocks = <&refclk>; > + pinctrl-0 = <&twsi2_pmux>; > + pinctrl-names = "default"; > + status = "disabled"; > + }; > + > + i2c3: i2c@8000 { > + compatible = "snps,designware-i2c"; > + #address-cells = <1>; > + #size-cells = <0>; > + reg = <0x8000 0x100>; > + interrupt-parent = <&sic>; > + interrupts = <7>; > + clocks = <&refclk>; > + pinctrl-0 = <&twsi3_pmux>; > + pinctrl-names = "default"; > + status = "disabled"; > + }; > + > uart0: uart@9000 { > compatible = "snps,dw-apb-uart"; > reg = <0x9000 0x100>; > @@ -348,6 +410,16 @@ > groups = "GSM14"; > function = "uart1"; > }; > + > + twsi2_pmux: twsi2-pmux { > + groups = "GSM13"; > + function = "twsi2"; > + }; > + > + twsi3_pmux: twsi3-pmux { > + groups = "GSM14"; > + function = "twsi3"; > + }; > }; > > sic: interrupt-controller@e000 { >
diff --git a/arch/arm/boot/dts/berlin2q.dtsi b/arch/arm/boot/dts/berlin2q.dtsi index 635a16a64cb4..0624868e36e3 100644 --- a/arch/arm/boot/dts/berlin2q.dtsi +++ b/arch/arm/boot/dts/berlin2q.dtsi @@ -191,6 +191,32 @@ }; }; + i2c0: i2c@1400 { + compatible = "snps,designware-i2c"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1400 0x100>; + interrupt-parent = <&aic>; + interrupts = <4>; + clocks = <&chip CLKID_CFG>; + pinctrl-0 = <&twsi0_pmux>; + pinctrl-names = "default"; + status = "disabled"; + }; + + i2c1: i2c@1800 { + compatible = "snps,designware-i2c"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x1800 0x100>; + interrupt-parent = <&aic>; + interrupts = <5>; + clocks = <&chip CLKID_CFG>; + pinctrl-0 = <&twsi1_pmux>; + pinctrl-names = "default"; + status = "disabled"; + }; + timer0: timer@2c00 { compatible = "snps,dw-apb-timer"; reg = <0x2c00 0x14>; @@ -301,6 +327,16 @@ reg = <0xea0000 0x400>, <0xdd0170 0x10>; clocks = <&refclk>; clock-names = "refclk"; + + twsi0_pmux: twsi0-pmux { + groups = "G6"; + function = "twsi0"; + }; + + twsi1_pmux: twsi1-pmux { + groups = "G7"; + function = "twsi1"; + }; }; apb@fc0000 { @@ -311,6 +347,32 @@ ranges = <0 0xfc0000 0x10000>; interrupt-parent = <&sic>; + i2c2: i2c@7000 { + compatible = "snps,designware-i2c"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x7000 0x100>; + interrupt-parent = <&sic>; + interrupts = <6>; + clocks = <&refclk>; + pinctrl-0 = <&twsi2_pmux>; + pinctrl-names = "default"; + status = "disabled"; + }; + + i2c3: i2c@8000 { + compatible = "snps,designware-i2c"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0x8000 0x100>; + interrupt-parent = <&sic>; + interrupts = <7>; + clocks = <&refclk>; + pinctrl-0 = <&twsi3_pmux>; + pinctrl-names = "default"; + status = "disabled"; + }; + uart0: uart@9000 { compatible = "snps,dw-apb-uart"; reg = <0x9000 0x100>; @@ -348,6 +410,16 @@ groups = "GSM14"; function = "uart1"; }; + + twsi2_pmux: twsi2-pmux { + groups = "GSM13"; + function = "twsi2"; + }; + + twsi3_pmux: twsi3-pmux { + groups = "GSM14"; + function = "twsi3"; + }; }; sic: interrupt-controller@e000 {
The Marvell Berlin BG2Q has 4 TWSI compatible with the Synopsys DesignWare I2C driver. Add the corresponding nodes. The pin-muxing setup is also done here, since there cannot be another muxing setup if I2C{0,1,2,3} are enabled. Signed-off-by: Antoine Ténart <antoine.tenart@free-electrons.com> --- arch/arm/boot/dts/berlin2q.dtsi | 72 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+)