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riscv: dts: Add DT support for SiFive FU540 PWM driver

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Add the PWM DT node in SiFive FU540 soc-specific DT file.
Enable the PWM nodes in HiFive Unleashed board-specific DT file.

Signed-off-by: Yash Shah <yash.shah@sifive.com>
Cc: Palmer Dabbelt <palmer@sifive.com>
[paul.walmsley@sifive.com: added chip-specific compatible string;
 dropped reg-names string from pwm1]
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
This commit is contained in:
Yash Shah 2019-08-21 14:53:40 +05:30 committed by Paul Walmsley
parent b41dae061b
commit b45e0c30bc
2 changed files with 26 additions and 0 deletions
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18
arch/riscv/boot/dts/sifive/fu540-c000.dtsi
View File

@ -230,6 +230,24 @@
#size-cells = <0>;
status = "disabled";
};
pwm0: pwm@10020000 {
compatible = "sifive,fu540-c000-pwm", "sifive,pwm0";
reg = <0x0 0x10020000 0x0 0x1000>;
interrupt-parent = <&plic0>;
interrupts = <42 43 44 45>;
clocks = <&prci PRCI_CLK_TLCLK>;
#pwm-cells = <3>;
status = "disabled";
};
pwm1: pwm@10021000 {
compatible = "sifive,fu540-c000-pwm", "sifive,pwm0";
reg = <0x0 0x10021000 0x0 0x1000>;
interrupt-parent = <&plic0>;
interrupts = <46 47 48 49>;
clocks = <&prci PRCI_CLK_TLCLK>;
#pwm-cells = <3>;
status = "disabled";
};
};
};

8
arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
View File

@ -85,3 +85,11 @@
reg = <0>;
};
};
&pwm0 {
status = "okay";
};
&pwm1 {
status = "okay";
};