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boards: arc: hsdk: add creg_gpio driver support

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Add creg_gpio driver support for hsdk board.

Signed-off-by: Watson Zeng <zhiwei@synopsys.com>
This commit is contained in:
Watson Zeng 2021-06-29 14:57:46 +08:00 committed by Christopher Friedt
parent 1103402e90
commit 79f5be006e
3 changed files with 32 additions and 0 deletions
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3
boards/arc/hsdk/Kconfig.defconfig
View File

@ -39,6 +39,9 @@ config SPI_DW_ARC_AUX_REGS
config SPI_DW_ACCESS_WORD_ONLY
default y
config GPIO_SNPS_CREG
default y
endif # SPI_DW
endif # SPI

14
boards/arc/hsdk/hsdk.dtsi
View File

@ -86,19 +86,33 @@ arduino_spi: &spi2 {};
interrupts = <56 1>;
};
&creg_gpio {
status = "okay";
};
&spi0 {
status = "okay";
clock-frequency = <33333333>;
cs-gpios = <&creg_gpio 0 GPIO_ACTIVE_HIGH>,
<&creg_gpio 1 GPIO_ACTIVE_HIGH>,
<&creg_gpio 2 GPIO_ACTIVE_HIGH>,
<&creg_gpio 3 GPIO_ACTIVE_HIGH>;
};
&spi1 {
status = "okay";
clock-frequency = <33333333>;
cs-gpios = <&creg_gpio 4 GPIO_ACTIVE_HIGH>,
<&creg_gpio 5 GPIO_ACTIVE_HIGH>,
<&creg_gpio 6 GPIO_ACTIVE_HIGH>;
};
&spi2 {
status = "okay";
clock-frequency = <33333333>;
cs-gpios = <&creg_gpio 8 GPIO_ACTIVE_HIGH>,
<&creg_gpio 9 GPIO_ACTIVE_HIGH>,
<&creg_gpio 10 GPIO_ACTIVE_HIGH>;
};
&i2c0 {

15
dts/arc/arc_hsdk.dtsi
View File

@ -122,6 +122,21 @@
status = "disabled";
};
creg_gpio: creg_gpio@f00014b0 {
compatible = "snps,creg-gpio";
reg = <0xf00014b0 0x4>;
ngpios = <12>;
label = "CREG_GPIO";
bit_per_gpio = <2>;
off_val = <0>;
on_val = <2>;
gpio-controller;
#gpio-cells = <2>;
status = "disabled";
};
i2c0: i2c@f0023000 {
compatible = "snps,designware-i2c";
clock-frequency = <I2C_BITRATE_STANDARD>;