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Thu, 24 Sep 2026 08:29:14 -0700 (PDT) Received: from dev-ag.figment.co.za ([192.145.132.58]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48867b49661sm14781552f8f.0.2026.09.24.08.29.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Sep 2026 08:29:13 -0700 (PDT) From: Andrew Gaylard To: linux-arm-kernel@lists.infradead.org Cc: devicetree@vger.kernel.org, qinjian@cqplus1.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux@armlinux.org.uk, Andrew Gaylard Subject: [PATCH v4 3/6] arm: dts: sunplus: add PWM, watchdog and MMC nodes to SP7021 DTSI Date: Thu, 24 Sep 2026 17:28:41 +0200 Message-ID: <20260924152844.81705-4-ag@ffroot.co.za> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260924152844.81705-1-ag@ffroot.co.za> References: <20260924152844.81705-1-ag@ffroot.co.za> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add device nodes for the peripherals that have upstream drivers: - PWM controller - Watchdog controller - eMMC controller Add a label to the gpio-leds node so board DTS files can override it. Move the memory node from the DTS into the DTSI; this chip has the RAM integrated and it's not possible to add external RAM. Signed-off-by: Andrew Gaylard --- .../dts/sunplus/sunplus-sp7021-demo-v3.dts | 4 - arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi | 74 ++++++++----------- 2 files changed, 32 insertions(+), 46 deletions(-) diff --git a/arch/arm/boot/dts/sunplus/sunplus-sp7021-demo-v3.dts b/arch/arm/boot/dts/sunplus/sunplus-sp7021-demo-v3.dts index d5c5ffc20565..d764fc1f946e 100644 --- a/arch/arm/boot/dts/sunplus/sunplus-sp7021-demo-v3.dts +++ b/arch/arm/boot/dts/sunplus/sunplus-sp7021-demo-v3.dts @@ -23,8 +23,4 @@ chosen { stdout-path = "serial0:115200n8"; }; - memory@0 { - device_type = "memory"; - reg = <0x00000000 0x20000000>; - }; }; diff --git a/arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi b/arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi index ae9bbe0320b8..9963501b6a41 100644 --- a/arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi +++ b/arch/arm/boot/dts/sunplus/sunplus-sp7021.dtsi @@ -17,6 +17,11 @@ / { compatible = "sunplus,sp7021"; model = "Sunplus SP7021"; + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x20000000>; /* 512MB integrated */ + }; + clocks { extclk: osc0 { compatible = "fixed-clock"; @@ -84,50 +89,10 @@ pctl: pinctrl@100 { clocks = <&clkc CLK_GPIO>; resets = <&rstc RST_GPIO>; - emac_pins: pinmux-emac-pins { - sunplus,pins = < - SPPCTL_IOPAD(49,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_CLK_OUT,0) - SPPCTL_IOPAD(44,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_MAC_SMI_MDC,0) - SPPCTL_IOPAD(43,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_MAC_SMI_MDIO,0) - SPPCTL_IOPAD(52,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXEN,0) - SPPCTL_IOPAD(50,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXD0,0) - SPPCTL_IOPAD(51,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXD1,0) - SPPCTL_IOPAD(46,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_CRSDV,0) - SPPCTL_IOPAD(47,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXD0,0) - SPPCTL_IOPAD(48,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXD1,0) - SPPCTL_IOPAD(45,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXER,0) - SPPCTL_IOPAD(59,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_TXEN,0) - SPPCTL_IOPAD(57,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_TXD0,0) - SPPCTL_IOPAD(58,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_TXD1,0) - SPPCTL_IOPAD(54,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_CRSDV,0) - SPPCTL_IOPAD(55,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_RXD0,0) - SPPCTL_IOPAD(56,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_RXD1,0) - SPPCTL_IOPAD(53,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_RXER,0) - >; - sunplus,zerofunc = < - MUXF_L2SW_LED_FLASH0 - MUXF_L2SW_LED_FLASH1 - MUXF_L2SW_LED_ON0 - MUXF_L2SW_LED_ON1 - MUXF_DAISY_MODE - >; - }; - - emmc_pins: pinmux-emmc-pins { - function = "CARD0_EMMC"; - groups = "CARD0_EMMC"; - }; - leds_pins: pinmux-leds-pins { sunplus,pins = < SPPCTL_IOPAD(0,SPPCTL_PCTL_G_GPIO,0,SPPCTL_PCTL_L_OUT) >; }; - sdcard_pins: pinmux-sdcard-pins { - function = "SD_CARD"; - groups = "SD_CARD"; - sunplus,pins = < SPPCTL_IOPAD(91, SPPCTL_PCTL_G_GPIO, 0, 0) >; - }; - spi0_pins: pinmux-spi0-pins { sunplus,pins = < SPPCTL_IOPAD(26,SPPCTL_PCTL_G_GPIO,0,0) @@ -291,13 +256,38 @@ 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>; + 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>; + status = "disabled"; + }; }; - leds { + leds: leds { compatible = "gpio-leds"; pinctrl-names = "default"; pinctrl-0 = <&leds_pins>; - system-led { + led-0 { label = "system-led"; gpios = <&pctl 0 GPIO_ACTIVE_HIGH>; default-state = "off"; -- 2.53.0