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Commit 99f3deb8 authored by Antoine Tenart's avatar Antoine Tenart Committed by Sebastian Hesselbarth
Browse files

ARM: dts: berlin: add I2C nodes for BG2Q 



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: default avatarAntoine Ténart <antoine.tenart@free-electrons.com>
Signed-off-by: default avatarSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
parent 44991eb4

arch/arm/boot/dts/berlin2q.dtsi

+72 −0
Original line number Diff line number Diff line
@@ -193,6 +193,32 @@ 
				};

			};



			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>;
@@ -303,6 +329,16 @@ 
			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 {
@@ -313,6 +349,32 @@ 
			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>;
@@ -350,6 +412,16 @@ 
					groups = "GSM14";

					function = "uart1";

				};



				twsi2_pmux: twsi2-pmux {

					groups = "GSM13";

					function = "twsi2";

				};



				twsi3_pmux: twsi3-pmux {

					groups = "GSM14";

					function = "twsi3";

				};

			};



			sic: interrupt-controller@e000 {