[PATCH 1/2] ARM: dts: berlin: add I2C nodes for BG2Q
Sebastian Hesselbarth
sebastian.hesselbarth at gmail.com
Mon Jun 16 04:22:50 PDT 2014
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 at 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 at 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 at 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 at 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 at fc0000 {
> @@ -311,6 +347,32 @@
> ranges = <0 0xfc0000 0x10000>;
> interrupt-parent = <&sic>;
>
> + i2c2: i2c at 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 at 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 at 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 at e000 {
>
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