1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
From d41d41bfcbd8ad4bcbb1b433f7d5c3b613c58419 Mon Sep 17 00:00:00 2001
From: Sean Wang <sean.wang@mediatek.com>
Date: Mon, 22 Jan 2018 16:58:36 +0800
Subject: [PATCH 223/224] arm64: dts: mt7622: add mmc related device nodes
add mmc device nodes and proper setup for used pins
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Jimin Wang <jimin.wang@mediatek.com>
---
arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 106 +++++++++++++++++++++++++++
arch/arm64/boot/dts/mediatek/mt7622.dtsi | 20 +++++
2 files changed, 126 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index cc89e2e3c597..45d8655ee423 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -8,6 +8,7 @@
/dts-v1/;
#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
#include "mt7622.dtsi"
#include "mt6380.dtsi"
@@ -53,6 +54,14 @@
reg = <0 0x40000000 0 0x3F000000>;
};
+ reg_1p8v: regulator-1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ };
+
reg_3p3v: regulator-3p3v {
compatible = "regulator-fixed";
regulator-name = "fixed-3.3V";
@@ -89,6 +98,23 @@
function = "emmc", "emmc_rst";
groups = "emmc";
};
+
+ /* "NDL0","NDL1","NDL2","NDL3","NDL4","NDL5","NDL6","NDL7",
+ * "NRB","NCLE" pins are used as DAT0,DAT1,DAT2,DAT3,DAT4,
+ * DAT5,DAT6,DAT7,CMD,CLK for eMMC respectively
+ */
+ conf-cmd-dat {
+ pins = "NDL0", "NDL1", "NDL2",
+ "NDL3", "NDL4", "NDL5",
+ "NDL6", "NDL7", "NRB";
+ input-enable;
+ bias-pull-up;
+ };
+
+ conf-clk {
+ pins = "NCLE";
+ bias-pull-down;
+ };
};
emmc_pins_uhs: emmc-pins-uhs {
@@ -96,6 +122,21 @@
function = "emmc";
groups = "emmc";
};
+
+ conf-cmd-dat {
+ pins = "NDL0", "NDL1", "NDL2",
+ "NDL3", "NDL4", "NDL5",
+ "NDL6", "NDL7", "NRB";
+ input-enable;
+ drive-strength = <4>;
+ bias-pull-up;
+ };
+
+ conf-clk {
+ pins = "NCLE";
+ drive-strength = <4>;
+ bias-pull-down;
+ };
};
eth_pins: eth-pins {
@@ -194,6 +235,27 @@
function = "sd";
groups = "sd_0";
};
+
+ /* "I2S2_OUT, "I2S4_IN"", "I2S3_IN", "I2S2_IN",
+ * "I2S4_OUT", "I2S3_OUT" are used as DAT0, DAT1,
+ * DAT2, DAT3, CMD, CLK for SD respectively.
+ */
+ conf-cmd-data {
+ pins = "I2S2_OUT", "I2S4_IN", "I2S3_IN",
+ "I2S2_IN","I2S4_OUT";
+ input-enable;
+ drive-strength = <8>;
+ bias-pull-up;
+ };
+ conf-clk {
+ pins = "I2S3_OUT";
+ drive-strength = <12>;
+ bias-pull-down;
+ };
+ conf-cd {
+ pins = "TXD3";
+ bias-pull-up;
+ };
};
sd0_pins_uhs: sd0-pins-uhs {
@@ -201,6 +263,18 @@
function = "sd";
groups = "sd_0";
};
+
+ conf-cmd-data {
+ pins = "I2S2_OUT", "I2S4_IN", "I2S3_IN",
+ "I2S2_IN","I2S4_OUT";
+ input-enable;
+ bias-pull-up;
+ };
+
+ conf-clk {
+ pins = "I2S3_OUT";
+ bias-pull-down;
+ };
};
/* Serial NAND is shared pin with SPI-NOR */
@@ -311,6 +385,38 @@
status = "okay";
};
+&mmc0 {
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&emmc_pins_default>;
+ pinctrl-1 = <&emmc_pins_uhs>;
+ status = "okay";
+ bus-width = <8>;
+ max-frequency = <50000000>;
+ cap-mmc-highspeed;
+ mmc-hs200-1_8v;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_1p8v>;
+ assigned-clocks = <&topckgen CLK_TOP_MSDC30_0_SEL>;
+ assigned-clock-parents = <&topckgen CLK_TOP_UNIV48M>;
+ non-removable;
+};
+
+&mmc1 {
+ pinctrl-names = "default", "state_uhs";
+ pinctrl-0 = <&sd0_pins_default>;
+ pinctrl-1 = <&sd0_pins_uhs>;
+ status = "okay";
+ bus-width = <4>;
+ max-frequency = <50000000>;
+ cap-sd-highspeed;
+ r_smpl = <1>;
+ cd-gpios = <&pio 81 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_3p3v>;
+ assigned-clocks = <&topckgen CLK_TOP_MSDC30_1_SEL>;
+ assigned-clock-parents = <&topckgen CLK_TOP_UNIV48M>;
+};
+
&nandc {
pinctrl-names = "default";
pinctrl-0 = <¶llel_nand_pins>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index ffb934b0a097..0f1ebddd6619 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -527,6 +527,26 @@
status = "disabled";
};
+ mmc0: mmc@11230000 {
+ compatible = "mediatek,mt7622-mmc";
+ reg = <0 0x11230000 0 0x1000>;
+ interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&pericfg CLK_PERI_MSDC30_0_PD>,
+ <&topckgen CLK_TOP_MSDC50_0_SEL>;
+ clock-names = "source", "hclk";
+ status = "disabled";
+ };
+
+ mmc1: mmc@11240000 {
+ compatible = "mediatek,mt7622-mmc";
+ reg = <0 0x11240000 0 0x1000>;
+ interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&pericfg CLK_PERI_MSDC30_1_PD>,
+ <&topckgen CLK_TOP_AXI_SEL>;
+ clock-names = "source", "hclk";
+ status = "disabled";
+ };
+
ssusbsys: ssusbsys@1a000000 {
compatible = "mediatek,mt7622-ssusbsys",
"syscon";
--
2.11.0
|
