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ARM: dts: ast2500: Add SGPIO to device tree

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Add SGPIO DTS node and enable it for AST2500 EVB.

Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
This commit is contained in:
Billy Tsai 2024-10-16 16:59:54 +08:00 • committed by Tom Rini
parent 0e53667d4f
commit be298254be
3 changed files with 26 additions and 0 deletions
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5
arch/arm/dts/ast2500-evb.dts
View file

@ -129,3 +129,8 @@
reg = <0x4d>;
};
};
&sgpio {
status = "okay";
ngpios = <80>;
};

20
arch/arm/dts/ast2500.dtsi
View file

@ -255,6 +255,21 @@
interrupt-controller;
};
sgpio: sgpio@1e780200 {
compatible = "aspeed,ast2500-sgpio";
reg = <0x1e780200 0x100>;
interrupts = <40>;
clocks = <&scu ASPEED_CLK_APB>;
#gpio-cells = <2>;
gpio-controller;
#interrupt-cells = <2>;
interrupt-controller;
bus-frequency = <1000000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sgpm_default>;
status = "disabled";
};
timer: timer@1e782000 {
/* This timer is a Faraday FTTMR010 derivative */
compatible = "aspeed,ast2400-timer";
@ -1445,4 +1460,9 @@
function = "WDTRST2";
groups = "WDTRST2";
};
pinctrl_sgpm_default: sgpm_default {
function = "SGPM";
groups = "SGPM";
};
};

1
drivers/pinctrl/aspeed/pinctrl_ast2500.c
View file

@ -62,6 +62,7 @@ static const struct ast2500_group_config ast2500_groups[] = {
{ "SD2", 5, (1 << 1) },
{ "FWSPICS1", 3, (1 << 24) },
{ "SPI1CS1", 1, (1 << 15) },
{ "SGPM", 2, (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) },
};
static int ast2500_pinctrl_get_groups_count(struct udevice *dev)