1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 2/*
 3 * Google Veyron (and derivatives) fragment for sdmmc cards
 4 *
 5 * Copyright 2015 Google, Inc
 6 */
 7
 8&io_domains {
 9	sdcard-supply = <&vccio_sd>;
10};
11
12&pinctrl {
13	sdmmc {
14		/*
15		 * We run sdmmc at max speed; bump up drive strength.
16		 * We also have external pulls, so disable the internal ones.
17		 */
18		sdmmc_bus4: sdmmc-bus4 {
19			rockchip,pins = <6 RK_PC0 1 &pcfg_pull_none_drv_8ma>,
20					<6 RK_PC1 1 &pcfg_pull_none_drv_8ma>,
21					<6 RK_PC2 1 &pcfg_pull_none_drv_8ma>,
22					<6 RK_PC3 1 &pcfg_pull_none_drv_8ma>;
23		};
24
25		sdmmc_clk: sdmmc-clk {
26			rockchip,pins = <6 RK_PC4 1 &pcfg_pull_none_drv_8ma>;
27		};
28
29		sdmmc_cmd: sdmmc-cmd {
30			rockchip,pins = <6 RK_PC5 1 &pcfg_pull_none_drv_8ma>;
31		};
32
33		/*
34		 * Builtin CD line is hooked to ground to prevent JTAG at boot
35		 * (and also to get the voltage rail correct).
36		 * Configure gpio6_C6 as GPIO so dw_mmc builtin CD doesn't
37		 * think there's a card inserted
38		 */
39		sdmmc_cd_disabled: sdmmc-cd-disabled {
40			rockchip,pins = <6 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;
41		};
42
43		/* This is where we actually hook up CD */
44		sdmmc_cd_pin: sdmmc-cd-pin {
45			rockchip,pins = <7 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
46		};
47	};
48};
49
50&rk808 {
51	vcc9-supply = <&vcc_5v>;
52
53	regulators {
54		vccio_sd: LDO_REG4 {
55			regulator-name = "vccio_sd";
56			regulator-min-microvolt = <1800000>;
57			regulator-max-microvolt = <3300000>;
58			regulator-state-mem {
59				regulator-off-in-suspend;
60			};
61		};
62
63		vcc33_sd: LDO_REG5 {
64			regulator-name = "vcc33_sd";
65			regulator-min-microvolt = <3300000>;
66			regulator-max-microvolt = <3300000>;
67			regulator-state-mem {
68				regulator-off-in-suspend;
69			};
70		};
71	};
72};
73
74&sdmmc {
75	status = "okay";
76
77	bus-width = <4>;
78	cap-mmc-highspeed;
79	cap-sd-highspeed;
80	card-detect-delay = <200>;
81	cd-gpios = <&gpio7 RK_PA5 GPIO_ACTIVE_LOW>;
82	rockchip,default-sample-phase = <90>;
83	sd-uhs-sdr12;
84	sd-uhs-sdr25;
85	sd-uhs-sdr50;
86	sd-uhs-sdr104;
87	vmmc-supply = <&vcc33_sd>;
88	vqmmc-supply = <&vccio_sd>;
89};