[U-Boot] [PATCH 3/3] ARM: dts: Add missing DT for Meson G12A support

Neil Armstrong narmstrong at baylibre.com
Fri May 31 08:03:12 UTC 2019


On 28/05/2019 10:50, Neil Armstrong wrote:
> The following DT nodes in the process on review for Linux 5.3,
> until Linux 5.3 is tagged, add the missing DT nodes in u-boot specific
> DTSI files that will be dropped when the v5.3-rc1 DT is synced again.
> 
> Signed-off-by: Neil Armstrong <narmstrong at baylibre.com>
> ---
>  arch/arm/dts/meson-g12a-u-boot.dtsi      | 216 +++++++++++++++++++++++
>  arch/arm/dts/meson-g12a-u200-u-boot.dtsi |  63 +++++++
>  2 files changed, 279 insertions(+)
>  create mode 100644 arch/arm/dts/meson-g12a-u-boot.dtsi
>  create mode 100644 arch/arm/dts/meson-g12a-u200-u-boot.dtsi
> 
> diff --git a/arch/arm/dts/meson-g12a-u-boot.dtsi b/arch/arm/dts/meson-g12a-u-boot.dtsi
> new file mode 100644
> index 0000000000..5065d8b65a
> --- /dev/null
> +++ b/arch/arm/dts/meson-g12a-u-boot.dtsi
> @@ -0,0 +1,216 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2019 BayLibre, SAS.
> + * Author: Maxime Jourdan <mjourdan at baylibre.com>

Oops wrong author, will fix while applying

> + */
> +
> +/ {
> +	soc {
> +		ethmac: ethernet at ff3f0000 {
> +			compatible = "amlogic,meson-axg-dwmac", "snps,dwmac-3.710",
> +				     "snps,dwmac";
> +			reg = <0x0 0xff3f0000 0x0 0x10000
> +			       0x0 0xff634540 0x0 0x8>;
> +			interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
> +			interrupt-names = "macirq";
> +			clocks = <&clkc CLKID_ETH>,
> +				 <&clkc CLKID_FCLK_DIV2>,
> +				 <&clkc CLKID_MPLL2>;
> +			clock-names = "stmmaceth", "clkin0", "clkin1";
> +			status = "disabled";
> +
> +			mdio0: mdio {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +				compatible = "snps,dwmac-mdio";
> +			};
> +		};
> +
> +		sd_emmc_a: sd at ffe03000 {
> +			compatible = "amlogic,meson-axg-mmc";
> +			reg = <0x0 0xffe03000 0x0 0x800>;
> +			interrupts = <GIC_SPI 189 IRQ_TYPE_EDGE_RISING>;
> +			status = "disabled";
> +			clocks = <&clkc CLKID_SD_EMMC_A>,
> +				 <&clkc CLKID_SD_EMMC_A_CLK0>,
> +				 <&clkc CLKID_FCLK_DIV2>;
> +			clock-names = "core", "clkin0", "clkin1";
> +			resets = <&reset RESET_SD_EMMC_A>;
> +		};
> +
> +		sd_emmc_b: sd at ffe05000 {
> +			compatible = "amlogic,meson-axg-mmc";
> +			reg = <0x0 0xffe05000 0x0 0x800>;
> +			interrupts = <GIC_SPI 190 IRQ_TYPE_EDGE_RISING>;
> +			status = "disabled";
> +			clocks = <&clkc CLKID_SD_EMMC_B>,
> +				 <&clkc CLKID_SD_EMMC_B_CLK0>,
> +				 <&clkc CLKID_FCLK_DIV2>;
> +			clock-names = "core", "clkin0", "clkin1";
> +			resets = <&reset RESET_SD_EMMC_B>;
> +		};
> +
> +		sd_emmc_c: mmc at ffe07000 {
> +			compatible = "amlogic,meson-axg-mmc";
> +			reg = <0x0 0xffe07000 0x0 0x800>;
> +			interrupts = <GIC_SPI 191 IRQ_TYPE_EDGE_RISING>;
> +			status = "disabled";
> +			clocks = <&clkc CLKID_SD_EMMC_C>,
> +				 <&clkc CLKID_SD_EMMC_C_CLK0>,
> +				 <&clkc CLKID_FCLK_DIV2>;
> +			clock-names = "core", "clkin0", "clkin1";
> +			resets = <&reset RESET_SD_EMMC_C>;
> +		};
> +	};
> +};
> +
> +&periphs_pinctrl {
> +	emmc_pins: emmc {
> +		mux {
> +			groups = "emmc_nand_d0",
> +				 "emmc_nand_d1",
> +				 "emmc_nand_d2",
> +				 "emmc_nand_d3",
> +				 "emmc_nand_d4",
> +				 "emmc_nand_d5",
> +				 "emmc_nand_d6",
> +				 "emmc_nand_d7",
> +				 "emmc_clk",
> +				 "emmc_cmd";
> +			function = "emmc";
> +			bias-pull-up;
> +		};
> +	};
> +
> +	emmc_ds_pins: emmc-ds {
> +		mux {
> +			groups = "emmc_nand_ds";
> +			function = "emmc";
> +			bias-pull-down;
> +		};
> +	};
> +
> +	emmc_clk_gate_pins: emmc_clk_gate {
> +		mux {
> +			groups = "BOOT_8";
> +			function = "gpio_periphs";
> +			bias-pull-down;
> +		};
> +	};
> +
> +	eth_leds_pins: eth-leds {
> +		mux {
> +			groups = "eth_link_led",
> +				 "eth_act_led";
> +			function = "eth";
> +			bias-disable;
> +		};
> +	};
> +
> +	eth_rmii_pins: eth-rmii {
> +		mux {
> +			groups = "eth_mdio",
> +				 "eth_mdc",
> +				 "eth_rgmii_rx_clk",
> +				 "eth_rx_dv",
> +				 "eth_rxd0",
> +				 "eth_rxd1",
> +				 "eth_txen",
> +				 "eth_txd0",
> +				 "eth_txd1";
> +			function = "eth";
> +			bias-disable;
> +		};
> +	};
> +
> +	eth_rgmii_pins: eth-rgmii {
> +		mux {
> +			groups = "eth_rxd2_rgmii",
> +				 "eth_rxd3_rgmii",
> +				 "eth_rgmii_tx_clk",
> +				 "eth_txd2_rgmii",
> +				 "eth_txd3_rgmii";
> +			function = "eth";
> +			bias-disable;
> +		};
> +	};
> +
> +	sdcard_c_pins: sdcard_c {
> +		mux {
> +			groups = "sdcard_d0_c",
> +				 "sdcard_d1_c",
> +				 "sdcard_d2_c",
> +				 "sdcard_d3_c",
> +				 "sdcard_cmd_c",
> +				 "sdcard_clk_c";
> +			function = "sdcard";
> +			bias-pull-up;
> +		};
> +	};
> +
> +	sdcard_clk_gate_c_pins: sdcard_clk_gate_c {
> +		mux {
> +			groups = "GPIOC_4";
> +			function = "gpio_periphs";
> +			bias-pull-down;
> +		};
> +	};
> +
> +	sdcard_z_pins: sdcard_z {
> +		mux {
> +			groups = "sdcard_d0_z",
> +				 "sdcard_d1_z",
> +				 "sdcard_d2_z",
> +				 "sdcard_d3_z",
> +				 "sdcard_cmd_z",
> +				 "sdcard_clk_z";
> +			function = "sdcard";
> +			bias-pull-up;
> +		};
> +	};
> +
> +	sdcard_clk_gate_z_pins: sdcard_clk_gate_z {
> +		mux {
> +			groups = "GPIOZ_6";
> +			function = "gpio_periphs";
> +			bias-pull-down;
> +		};
> +	};
> +};
> +
> +&periphs {
> +	eth_phy: mdio-multiplexer at 4c000 {
> +		compatible = "amlogic,g12a-mdio-mux";
> +		reg = <0x0 0x4c000 0x0 0xa4>;
> +		clocks = <&clkc CLKID_ETH_PHY>,
> +			 <&xtal>,
> +			 <&clkc CLKID_MPLL_5OM>;
> +		clock-names = "pclk", "clkin0", "clkin1";
> +		mdio-parent-bus = <&mdio0>;
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		ext_mdio: mdio at 0 {
> +			reg = <0>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +
> +		int_mdio: mdio at 1 {
> +			reg = <1>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			internal_ephy: ethernet_phy at 8 {
> +				compatible = "ethernet-phy-id0180.3300",
> +					     "ethernet-phy-ieee802.3-c22";
> +				reg = <8>;
> +				max-speed = <100>;
> +
> +				/* FIXME: Add irq support */
> +			};
> +		};
> +	};
> +};
> +
> +
> diff --git a/arch/arm/dts/meson-g12a-u200-u-boot.dtsi b/arch/arm/dts/meson-g12a-u200-u-boot.dtsi
> new file mode 100644
> index 0000000000..9486ab0c47
> --- /dev/null
> +++ b/arch/arm/dts/meson-g12a-u200-u-boot.dtsi
> @@ -0,0 +1,63 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2019 BayLibre, SAS.
> + * Author: Neil Armstrong <narmstrong at baylibre.com>
> + */
> +
> +#include "meson-g12a-u-boot.dtsi"
> +
> + / {
> +	aliases {
> +		ethernet0 = ðmac;
> +	};
> +
> +	emmc_pwrseq: emmc-pwrseq {
> +		compatible = "mmc-pwrseq-emmc";
> +		reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
> +	};
> +};
> +
> +&ethmac {
> +	status = "okay";
> +	pinctrl-0 = <&eth_leds_pins>;
> +	pinctrl-names = "default";
> +	phy-handle = <&internal_ephy>;
> +	phy-mode = "rmii";
> +};
> +
> +
> +/* SD card */
> +&sd_emmc_b {
> +	status = "okay";
> +	pinctrl-0 = <&sdcard_c_pins>;
> +	pinctrl-1 = <&sdcard_clk_gate_c_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +
> +	bus-width = <4>;
> +	cap-sd-highspeed;
> +	max-frequency = <50000000>;
> +	disable-wp;
> +
> +	cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
> +	vmmc-supply = <&vddao_3v3>;
> +	vqmmc-supply = <&vddao_3v3>;
> +};
> +
> +/* eMMC */
> +&sd_emmc_c {
> +	status = "okay";
> +	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
> +	pinctrl-1 = <&emmc_clk_gate_pins>;
> +	pinctrl-names = "default", "clk-gate";
> +
> +	bus-width = <8>;
> +	cap-mmc-highspeed;
> +	mmc-ddr-1_8v;
> +	mmc-hs200-1_8v;
> +	max-frequency = <200000000>;
> +	disable-wp;
> +
> +	mmc-pwrseq = <&emmc_pwrseq>;
> +	vmmc-supply = <&vcc_3v3>;
> +	vqmmc-supply = <&flash_1v8>;
> +};
> 



More information about the U-Boot mailing list