From: Yu-Chun Lin <eleanor.lin@realtek.com>
To: <linusw@kernel.org>, <brgl@kernel.org>, <robh@kernel.org>,
<krzk+dt@kernel.org>, <conor+dt@kernel.org>, <afaerber@suse.com>,
<tychang@realtek.com>
Cc: <linux-gpio@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-realtek-soc@lists.infradead.org>, <cy.huang@realtek.com>,
<stanley_chang@realtek.com>, <eleanor.lin@realtek.com>,
<james.tai@realtek.com>
Subject: [PATCH 2/3] arm64: dts: realtek: Add GPIO support for RTD1625
Date: Tue, 31 Mar 2026 19:38:34 +0800 [thread overview]
Message-ID: <20260331113835.3510341-3-eleanor.lin@realtek.com> (raw)
In-Reply-To: <20260331113835.3510341-1-eleanor.lin@realtek.com>
Add the GPIO node for the Realtek RTD1625 SoC.
Signed-off-by: Yu-Chun Lin <eleanor.lin@realtek.com>
---
arch/arm64/boot/dts/realtek/kent.dtsi | 43 ++++++++++++++++++++++++
arch/arm64/boot/dts/realtek/rtd1501.dtsi | 8 +++++
arch/arm64/boot/dts/realtek/rtd1861.dtsi | 8 +++++
arch/arm64/boot/dts/realtek/rtd1920.dtsi | 8 +++++
4 files changed, 67 insertions(+)
diff --git a/arch/arm64/boot/dts/realtek/kent.dtsi b/arch/arm64/boot/dts/realtek/kent.dtsi
index 8d4293cd4c03..746932c26724 100644
--- a/arch/arm64/boot/dts/realtek/kent.dtsi
+++ b/arch/arm64/boot/dts/realtek/kent.dtsi
@@ -151,6 +151,39 @@ uart0: serial@7800 {
status = "disabled";
};
+ gpio: gpio@31100 {
+ compatible = "realtek,rtd1625-iso-gpio";
+ reg = <0x31100 0x398>,
+ <0x31000 0x100>;
+ gpio-controller;
+ gpio-ranges = <&isom_pinctrl 0 0 2>,
+ <&ve4_pinctrl 2 0 6>,
+ <&iso_pinctrl 8 0 4>,
+ <&ve4_pinctrl 12 6 2>,
+ <&main2_pinctrl 14 0 2>,
+ <&ve4_pinctrl 16 8 4>,
+ <&main2_pinctrl 20 2 3>,
+ <&ve4_pinctrl 23 12 3>,
+ <&iso_pinctrl 26 4 2>,
+ <&isom_pinctrl 28 2 2>,
+ <&ve4_pinctrl 30 15 6>,
+ <&main2_pinctrl 36 5 6>,
+ <&ve4_pinctrl 42 21 3>,
+ <&iso_pinctrl 45 6 6>,
+ <&ve4_pinctrl 51 24 1>,
+ <&iso_pinctrl 52 12 1>,
+ <&ve4_pinctrl 53 25 11>,
+ <&main2_pinctrl 64 11 28>,
+ <&ve4_pinctrl 92 36 2>,
+ <&iso_pinctrl 94 13 19>,
+ <&iso_pinctrl 128 32 4>,
+ <&ve4_pinctrl 132 38 13>,
+ <&iso_pinctrl 145 36 19>,
+ <&ve4_pinctrl 164 51 2>;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
iso_pinctrl: pinctrl@4e000 {
compatible = "realtek,rtd1625-iso-pinctrl";
reg = <0x4e000 0x1a4>;
@@ -161,6 +194,16 @@ main2_pinctrl: pinctrl@4f200 {
reg = <0x4f200 0x50>;
};
+ iso_m_gpio: gpio@89120 {
+ compatible = "realtek,rtd1625-isom-gpio";
+ reg = <0x89120 0x10>,
+ <0x89100 0x20>;
+ gpio-controller;
+ gpio-ranges = <&isom_pinctrl 0 0 4>;
+ #gpio-cells = <2>;
+ status = "disabled";
+ };
+
isom_pinctrl: pinctrl@146200 {
compatible = "realtek,rtd1625-isom-pinctrl";
reg = <0x146200 0x34>;
diff --git a/arch/arm64/boot/dts/realtek/rtd1501.dtsi b/arch/arm64/boot/dts/realtek/rtd1501.dtsi
index 65f7ede3df73..ae246a01f126 100644
--- a/arch/arm64/boot/dts/realtek/rtd1501.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd1501.dtsi
@@ -10,3 +10,11 @@
&uart0 {
status = "okay";
};
+
+&gpio {
+ status = "okay";
+};
+
+&iso_m_gpio {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/realtek/rtd1861.dtsi b/arch/arm64/boot/dts/realtek/rtd1861.dtsi
index 44c3de8f1f48..b5f08bdd9f17 100644
--- a/arch/arm64/boot/dts/realtek/rtd1861.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd1861.dtsi
@@ -10,3 +10,11 @@
&uart0 {
status = "okay";
};
+
+&gpio {
+ status = "okay";
+};
+
+&iso_m_gpio {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/realtek/rtd1920.dtsi b/arch/arm64/boot/dts/realtek/rtd1920.dtsi
index becf546216e9..94c8a43916a8 100644
--- a/arch/arm64/boot/dts/realtek/rtd1920.dtsi
+++ b/arch/arm64/boot/dts/realtek/rtd1920.dtsi
@@ -10,3 +10,11 @@
&uart0 {
status = "okay";
};
+
+&gpio {
+ status = "okay";
+};
+
+&iso_m_gpio {
+ status = "okay";
+};
--
2.34.1
next prev parent reply other threads:[~2026-03-31 11:41 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-31 11:38 [PATCH 0/3] gpio: realtek: Add support for Realtek DHC RTD1625 Yu-Chun Lin
2026-03-31 11:38 ` [PATCH 1/3] dt-bindings: gpio: realtek: Add realtek,rtd1625-gpio Yu-Chun Lin
2026-04-01 7:47 ` Krzysztof Kozlowski
2026-04-01 11:10 ` Yu-Chun Lin [林祐君]
2026-04-01 11:12 ` Krzysztof Kozlowski
2026-03-31 11:38 ` Yu-Chun Lin [this message]
2026-04-01 7:49 ` [PATCH 2/3] arm64: dts: realtek: Add GPIO support for RTD1625 Krzysztof Kozlowski
2026-04-01 11:21 ` Yu-Chun Lin [林祐君]
2026-03-31 11:38 ` [PATCH 3/3] gpio: realtek: Add driver for Realtek DHC RTD1625 SoC Yu-Chun Lin
2026-03-31 12:15 ` Bartosz Golaszewski
2026-04-07 7:27 ` Linus Walleij
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