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ARM: dts: aspeed: Add I2C buses

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Now with an upstream i2c bus driver, we can add  the 14 i2c buses that
exist in ASPEED G4 and G5 generation SoCs.

It also adds aliases for the 14 built-in I2C busses to ensure userspace
sees the numbering staring from zero and counting up.

Acked-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Joel Stanley 2017-10-04 17:19:11 +10:30
parent 29b246400c
commit ef85637836
2 changed files with 512 additions and 0 deletions
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256
arch/arm/boot/dts/aspeed-g4.dtsi
View File

@ -7,6 +7,23 @@ / {
#size-cells = <1>; #size-cells = <1>;
interrupt-parent = <&vic>; interrupt-parent = <&vic>;
aliases {
i2c0 = &i2c0;
i2c1 = &i2c1;
i2c2 = &i2c2;
i2c3 = &i2c3;
i2c4 = &i2c4;
i2c5 = &i2c5;
i2c6 = &i2c6;
i2c7 = &i2c7;
i2c8 = &i2c8;
i2c9 = &i2c9;
i2c10 = &i2c10;
i2c11 = &i2c11;
i2c12 = &i2c12;
i2c13 = &i2c13;
};
cpus { cpus {
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;
@ -235,10 +252,249 @@ uart6: serial@1e787000 {
no-loopback-test; no-loopback-test;
status = "disabled"; status = "disabled";
}; };
i2c: i2c@1e78a000 {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x1e78a000 0x1000>;
};
}; };
}; };
}; };
&i2c {
i2c_ic: interrupt-controller@0 {
#interrupt-cells = <1>;
compatible = "aspeed,ast2400-i2c-ic";
reg = <0x0 0x40>;
interrupts = <12>;
interrupt-controller;
};
i2c0: i2c-bus@40 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x40 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <0>;
interrupt-parent = <&i2c_ic>;
status = "disabled";
/* Does not need pinctrl properties */
};
i2c1: i2c-bus@80 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x80 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <1>;
interrupt-parent = <&i2c_ic>;
status = "disabled";
/* Does not need pinctrl properties */
};
i2c2: i2c-bus@c0 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0xc0 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <2>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3_default>;
status = "disabled";
};
i2c3: i2c-bus@100 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x100 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <3>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c4_default>;
status = "disabled";
};
i2c4: i2c-bus@140 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x140 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <4>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c5_default>;
status = "disabled";
};
i2c5: i2c-bus@180 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x180 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <5>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c6_default>;
status = "disabled";
};
i2c6: i2c-bus@1c0 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x1c0 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <6>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c7_default>;
status = "disabled";
};
i2c7: i2c-bus@300 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x300 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <7>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c8_default>;
status = "disabled";
};
i2c8: i2c-bus@340 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x340 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <8>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c9_default>;
status = "disabled";
};
i2c9: i2c-bus@380 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x380 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <9>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c10_default>;
status = "disabled";
};
i2c10: i2c-bus@3c0 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x3c0 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <10>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c11_default>;
status = "disabled";
};
i2c11: i2c-bus@400 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x400 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <11>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c12_default>;
status = "disabled";
};
i2c12: i2c-bus@440 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x440 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <12>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c13_default>;
status = "disabled";
};
i2c13: i2c-bus@480 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x480 0x40>;
compatible = "aspeed,ast2400-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <13>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c14_default>;
status = "disabled";
};
};
&pinctrl { &pinctrl {
pinctrl_acpi_default: acpi_default { pinctrl_acpi_default: acpi_default {
function = "ACPI"; function = "ACPI";

256
arch/arm/boot/dts/aspeed-g5.dtsi
View File

@ -7,6 +7,23 @@ / {
#size-cells = <1>; #size-cells = <1>;
interrupt-parent = <&vic>; interrupt-parent = <&vic>;
aliases {
i2c0 = &i2c0;
i2c1 = &i2c1;
i2c2 = &i2c2;
i2c3 = &i2c3;
i2c4 = &i2c4;
i2c5 = &i2c5;
i2c6 = &i2c6;
i2c7 = &i2c7;
i2c8 = &i2c8;
i2c9 = &i2c9;
i2c10 = &i2c10;
i2c11 = &i2c11;
i2c12 = &i2c12;
i2c13 = &i2c13;
};
cpus { cpus {
#address-cells = <1>; #address-cells = <1>;
#size-cells = <0>; #size-cells = <0>;
@ -315,10 +332,249 @@ uart6: serial@1e787000 {
no-loopback-test; no-loopback-test;
status = "disabled"; status = "disabled";
}; };
i2c: i2c@1e78a000 {
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0 0x1e78a000 0x1000>;
};
}; };
}; };
}; };
&i2c {
i2c_ic: interrupt-controller@0 {
#interrupt-cells = <1>;
compatible = "aspeed,ast2500-i2c-ic";
reg = <0x0 0x40>;
interrupts = <12>;
interrupt-controller;
};
i2c0: i2c-bus@40 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x40 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <0>;
interrupt-parent = <&i2c_ic>;
status = "disabled";
/* Does not need pinctrl properties */
};
i2c1: i2c-bus@80 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x80 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <1>;
interrupt-parent = <&i2c_ic>;
status = "disabled";
/* Does not need pinctrl properties */
};
i2c2: i2c-bus@c0 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0xc0 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <2>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c3_default>;
status = "disabled";
};
i2c3: i2c-bus@100 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x100 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <3>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c4_default>;
status = "disabled";
};
i2c4: i2c-bus@140 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x140 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <4>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c5_default>;
status = "disabled";
};
i2c5: i2c-bus@180 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x180 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <5>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c6_default>;
status = "disabled";
};
i2c6: i2c-bus@1c0 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x1c0 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <6>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c7_default>;
status = "disabled";
};
i2c7: i2c-bus@300 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x300 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <7>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c8_default>;
status = "disabled";
};
i2c8: i2c-bus@340 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x340 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <8>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c9_default>;
status = "disabled";
};
i2c9: i2c-bus@380 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x380 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <9>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c10_default>;
status = "disabled";
};
i2c10: i2c-bus@3c0 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x3c0 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <10>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c11_default>;
status = "disabled";
};
i2c11: i2c-bus@400 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x400 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <11>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c12_default>;
status = "disabled";
};
i2c12: i2c-bus@440 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x440 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <12>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c13_default>;
status = "disabled";
};
i2c13: i2c-bus@480 {
#address-cells = <1>;
#size-cells = <0>;
#interrupt-cells = <1>;
reg = <0x480 0x40>;
compatible = "aspeed,ast2500-i2c-bus";
clocks = <&clk_apb>;
bus-frequency = <100000>;
interrupts = <13>;
interrupt-parent = <&i2c_ic>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c14_default>;
status = "disabled";
};
};
&pinctrl { &pinctrl {
pinctrl_acpi_default: acpi_default { pinctrl_acpi_default: acpi_default {
function = "ACPI"; function = "ACPI";