1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) Siemens AG, 2018-2021
4 *
5 * Authors:
6 * Le Jin <le.jin@siemens.com>
7 * Jan Kiszka <jan.kiszka@siemens.com>
8 *
9 * Common bits of the IOT2050 Advanced variant, PG1 and PG2
10 */
11
12 /dts-v1/;
13
14 #include "k3-am654.dtsi"
15 #include "k3-am65-iot2050-common.dtsi"
16
17 / {
18 memory@80000000 {
19 device_type = "memory";
20 /* 2G RAM */
21 reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
22 };
23 };
24
25 &main_pmx0 {
26 main_mmc0_pins_default: main-mmc0-default-pins {
27 pinctrl-single,pins = <
28 AM65X_IOPAD(0x01a8, PIN_INPUT_PULLDOWN, 0) /* (B25) MMC0_CLK */
29 AM65X_IOPAD(0x01ac, PIN_INPUT_PULLUP, 0) /* (B27) MMC0_CMD */
30 AM65X_IOPAD(0x01a4, PIN_INPUT_PULLUP, 0) /* (A26) MMC0_DAT0 */
31 AM65X_IOPAD(0x01a0, PIN_INPUT_PULLUP, 0) /* (E25) MMC0_DAT1 */
32 AM65X_IOPAD(0x019c, PIN_INPUT_PULLUP, 0) /* (C26) MMC0_DAT2 */
33 AM65X_IOPAD(0x0198, PIN_INPUT_PULLUP, 0) /* (A25) MMC0_DAT3 */
34 AM65X_IOPAD(0x0194, PIN_INPUT_PULLUP, 0) /* (E24) MMC0_DAT4 */
35 AM65X_IOPAD(0x0190, PIN_INPUT_PULLUP, 0) /* (A24) MMC0_DAT5 */
36 AM65X_IOPAD(0x018c, PIN_INPUT_PULLUP, 0) /* (B26) MMC0_DAT6 */
37 AM65X_IOPAD(0x0188, PIN_INPUT_PULLUP, 0) /* (D25) MMC0_DAT7 */
38 AM65X_IOPAD(0x01b8, PIN_OUTPUT_PULLUP, 7) /* (B23) MMC0_SDWP */
39 AM65X_IOPAD(0x01b4, PIN_INPUT_PULLUP, 0) /* (A23) MMC0_SDCD */
40 AM65X_IOPAD(0x01b0, PIN_INPUT, 0) /* (C25) MMC0_DS */
41 >;
42 };
43 };
44
45 /* eMMC */
46 &sdhci0 {
47 status = "okay";
48 pinctrl-names = "default";
49 pinctrl-0 = <&main_mmc0_pins_default>;
50 bus-width = <8>;
51 non-removable;
52 ti,driver-strength-ohm = <50>;
53 disable-wp;
54 };
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