From: Andrew Gaylard <ag@ffroot.co.za>
To: qinjian@cqplus1.com, linux-arm-kernel@lists.infradead.org
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
linux@armlinux.org.uk, devicetree@vger.kernel.org,
Andrew Gaylard <ag@ffroot.co.za>
Subject: [PATCH 1/2] arm: dts: sunplus: add peripheral device nodes to sp7021.dtsi
Date: Wed, 2 Sep 2026 12:45:44 +0200 [thread overview]
Message-ID: <20260902104545.67794-2-ag@ffroot.co.za> (raw)
In-Reply-To: <20260902104545.67794-1-ag@ffroot.co.za>
Add device tree nodes for SP7021 peripherals whose drivers are already
upstream:
- PWM controller
- Watchdog/STC timer
- eMMC controller (mmc0)
- Ethernet switch (L2SW)
Signed-off-by: Andrew Gaylard <ag@ffroot.co.za>
---
arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi | 48 +++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi b/arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi
index ae9bbe0320b8..9bb349a5542a 100644
--- a/arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi
+++ b/arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi
@@ -291,6 +291,54 @@ uart4: serial@8780 {
pinctrl-0 = <&uart4_pins>;
status = "disabled";
};
+
+ pwm: pwm@7a00 {
+ #pwm-cells = <2>;
+ compatible = "sunplus,sp7021-pwm";
+ reg = <0x7a00 0x80>;
+ clocks = <&clkc CLK_DISP_PWM>;
+ resets = <&rstc RST_DISP_PWM>;
+ status = "disabled";
+ };
+
+ wdt: watchdog@630 {
+ compatible = "sunplus,sp7021-wdt";
+ reg = <0x630 0x08>, <0x274 0x04>;
+ clocks = <&clkc CLK_STC0>;
+ resets = <&rstc RST_STC0>;
+ status = "disabled";
+ };
+
+ mmc0: mmc@3b00 {
+ compatible = "sunplus,sp7021-mmc";
+ reg = <0x3b00 0x180>;
+ interrupts = <20 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clkc CLK_CARD_CTL0>;
+ resets = <&rstc RST_CARD_CTL0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_pins>;
+ bus-width = <8>;
+ max-frequency = <52000000>;
+ non-removable;
+ disable-wp;
+ cap-mmc-highspeed;
+ mmc-ddr-3_3v;
+ no-sdio;
+ no-sd;
+ status = "disabled";
+ };
+
+ l2sw: ethernet@108000 {
+ compatible = "sunplus,sp7021-emac";
+ reg = <0x108000 0x400>;
+ interrupts = <66 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&clkc CLK_L2SW>, <&clkc PLL_E_25>,
+ <&clkc PLL_E_2P5>, <&clkc PLL_E_112P5>;
+ clock-names = "l2sw", "plle_25", "plle_2p5", "plle_112p5";
+ resets = <&rstc RST_L2SW>;
+ status = "disabled";
+ };
+
};
leds {
--
2.53.0
next prev parent reply other threads:[~2026-09-02 10:46 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-02 10:45 [PATCH 0/2] arm: sunplus: add SP7021 LTPP3G2 board support Andrew Gaylard
2026-09-02 10:45 ` Andrew Gaylard [this message]
2026-09-02 10:58 ` [PATCH 1/2] arm: dts: sunplus: add peripheral device nodes to sp7021.dtsi sashiko-bot
2026-09-02 10:45 ` [PATCH 2/2] arm: sunplus: add Tibbo LTPP3G2 board support; update defconfig Andrew Gaylard
2026-09-02 11:00 ` sashiko-bot
2026-09-02 15:40 ` [PATCH 0/2] arm: sunplus: add SP7021 LTPP3G2 board support -- withdrawn Andrew Gaylard
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