u-boot-brain/arch/arm/dts/rk3399-nanopi4-u-boot.dtsi

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>
 */

#include "rk3399-u-boot.dtsi"

/{
	chosen {
		u-boot,spl-boot-order = "same-as-spl", &sdhci, &sdmmc;
	};
};

&sdmmc {
	pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_cd>;
};
rockchip: dts: rk3399: nanopi4: Use CD pin as RK_FUNC_1 Attaching GPIO functionality to SDMMC0_DET pin (which does in Linux base dts) make dwmmc driver "fail to detect the card". Card did not respond to voltage select! It may be because the existing driver can't support gpio card detection. So, change the pinctrl functionality from RK_FUNC_GPIO to RK_FUNC_1 like other rk3399 dts does via sdmmc_cd pin. Cc: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> 2019-05-08 14:41:45 +09:00			`// SPDX-License-Identifier: GPL-2.0+`
			`/*`
			`* Copyright (C) 2019 Jagan Teki <jagan@amarulasolutions.com>`
			`*/`

rockchip: rk3399: Add Nanopi M4 board support Add initial support for Nanopi M4 board. Specification - Rockchip RK3399 - Dual-Channel 4GB LPDDR3-1866 - SD card slot - eMMC socket - RTL8211E 1Gbps - AP6356S WiFI/BT - HDMI In/Out, DP, MIPI DSI/CSI - USB 3.0 x4 - USB Type C power and data - GPIO1, GPIO2 expansion ports - DC5V/3A Commit details of rk3399-nanopi-m4.dts sync from Linux 5.1-rc2: "arm64: dts: rockchip: Refine nanopi4 differences" (sha1: c62ffaf5026d0b7633e62b2cea8450b5543c349a) Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> 2019-05-08 14:41:46 +09:00			`#include "rk3399-u-boot.dtsi"`

arm64: dts: rk3399-nanopi4: Add u-boot,spl-boot-order Add u-boot,spl-boot-order as sdhci and sdmmc for booting from eMMC and SD card. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> 2020-05-25 02:32:11 +09:00			`/{`
			`chosen {`
			`u-boot,spl-boot-order = "same-as-spl", &sdhci, &sdmmc;`
			`};`
			`};`

rockchip: dts: rk3399: nanopi4: Use CD pin as RK_FUNC_1 Attaching GPIO functionality to SDMMC0_DET pin (which does in Linux base dts) make dwmmc driver "fail to detect the card". Card did not respond to voltage select! It may be because the existing driver can't support gpio card detection. So, change the pinctrl functionality from RK_FUNC_GPIO to RK_FUNC_1 like other rk3399 dts does via sdmmc_cd pin. Cc: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> 2019-05-08 14:41:45 +09:00			`&sdmmc {`
			`pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_cd>;`
			`};`