[PATCH v1 2/3] ARM: dts: ast2500: Add SGPIO to device tree
Billy Tsai
billy_tsai at aspeedtech.com
Wed Oct 16 10:59:54 CEST 2024
Add SGPIO DTS node and enable it for AST2500 EVB.
Signed-off-by: Billy Tsai <billy_tsai at aspeedtech.com>
---
arch/arm/dts/ast2500-evb.dts | 5 +++++
arch/arm/dts/ast2500.dtsi | 20 ++++++++++++++++++++
drivers/pinctrl/aspeed/pinctrl_ast2500.c | 1 +
3 files changed, 26 insertions(+)
diff --git a/arch/arm/dts/ast2500-evb.dts b/arch/arm/dts/ast2500-evb.dts
index d481eadfeb0..9a5037deca2 100644
--- a/arch/arm/dts/ast2500-evb.dts
+++ b/arch/arm/dts/ast2500-evb.dts
@@ -129,3 +129,8 @@
reg = <0x4d>;
};
};
+
+&sgpio {
+ status = "okay";
+ ngpios = <80>;
+};
diff --git a/arch/arm/dts/ast2500.dtsi b/arch/arm/dts/ast2500.dtsi
index 320d2e5340a..d677705fe85 100644
--- a/arch/arm/dts/ast2500.dtsi
+++ b/arch/arm/dts/ast2500.dtsi
@@ -255,6 +255,21 @@
interrupt-controller;
};
+ sgpio: sgpio at 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 at 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";
+ };
};
diff --git a/drivers/pinctrl/aspeed/pinctrl_ast2500.c b/drivers/pinctrl/aspeed/pinctrl_ast2500.c
index 9e7c347caf8..5ecd3f262b9 100644
--- a/drivers/pinctrl/aspeed/pinctrl_ast2500.c
+++ b/drivers/pinctrl/aspeed/pinctrl_ast2500.c
@@ -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)
--
2.25.1
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