1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/pinctrl/nuv 4 $id: http://devicetree.org/schemas/pinctrl/nuvoton,npcm845-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Nuvoton NPCM845 Pin Controller and GPIO 7 title: Nuvoton NPCM845 Pin Controller and GPIO
8 8
9 maintainers: 9 maintainers:
10 - Tomer Maimon <tmaimon77@gmail.com> 10 - Tomer Maimon <tmaimon77@gmail.com>
11 11
12 description: 12 description:
13 The Nuvoton BMC NPCM8XX Pin Controller multi 13 The Nuvoton BMC NPCM8XX Pin Controller multi-function routed through
14 the multiplexing block, Each pin supports GP 14 the multiplexing block, Each pin supports GPIO functionality (GPIOx)
15 and multiple functions that directly connect 15 and multiple functions that directly connect the pin to different
16 hardware blocks. 16 hardware blocks.
17 17
18 properties: 18 properties:
19 compatible: 19 compatible:
20 const: nuvoton,npcm845-pinctrl 20 const: nuvoton,npcm845-pinctrl
21 21
22 ranges: 22 ranges:
23 maxItems: 1 23 maxItems: 1
24 24
25 '#address-cells': 25 '#address-cells':
26 const: 1 26 const: 1
27 27
28 '#size-cells': 28 '#size-cells':
29 const: 1 29 const: 1
30 30
31 nuvoton,sysgcr: 31 nuvoton,sysgcr:
32 $ref: /schemas/types.yaml#/definitions/pha 32 $ref: /schemas/types.yaml#/definitions/phandle
33 description: a phandle to access GCR regis 33 description: a phandle to access GCR registers.
34 34
35 patternProperties: 35 patternProperties:
36 '^gpio@': 36 '^gpio@':
37 type: object 37 type: object
38 additionalProperties: false 38 additionalProperties: false
39 39
40 description: 40 description:
41 Eight GPIO banks that each contain 32 GP 41 Eight GPIO banks that each contain 32 GPIOs.
42 42
43 properties: 43 properties:
44 gpio-controller: true 44 gpio-controller: true
45 45
46 '#gpio-cells': 46 '#gpio-cells':
47 const: 2 47 const: 2
48 48
49 reg: 49 reg:
50 maxItems: 1 50 maxItems: 1
51 51
52 interrupts: 52 interrupts:
53 maxItems: 1 53 maxItems: 1
54 54
55 gpio-ranges: 55 gpio-ranges:
56 maxItems: 1 56 maxItems: 1
57 57
58 required: 58 required:
59 - gpio-controller 59 - gpio-controller
60 - '#gpio-cells' 60 - '#gpio-cells'
61 - reg 61 - reg
62 - interrupts 62 - interrupts
63 - gpio-ranges 63 - gpio-ranges
64 64
65 '-mux$': 65 '-mux$':
66 $ref: pinmux-node.yaml# 66 $ref: pinmux-node.yaml#
67 67
68 properties: 68 properties:
69 groups: 69 groups:
70 description: 70 description:
71 One or more groups of pins to mux to 71 One or more groups of pins to mux to a certain function
72 items: 72 items:
73 enum: [ iox1, iox2, smb1d, smb2d, lk 73 enum: [ iox1, iox2, smb1d, smb2d, lkgpo1, lkgpo2, ioxh, gspi,
74 smb5b, smb5c, lkgpo0, pspi, 74 smb5b, smb5c, lkgpo0, pspi, jm1, jm2, smb4b, smb4c, smb15,
75 smb16, smb17, smb18, smb19, 75 smb16, smb17, smb18, smb19, smb20, smb21, smb22, smb23,
76 smb23b, smb4d, smb14, smb5, 76 smb23b, smb4d, smb14, smb5, smb4, smb3, spi0cs1, spi0cs2,
77 spi0cs3, spi1cs0, spi1cs1, s 77 spi0cs3, spi1cs0, spi1cs1, spi1cs2, spi1cs3, spi1cs23, smb3c,
78 smb3b, bmcuart0a, uart1, jta 78 smb3b, bmcuart0a, uart1, jtag2, bmcuart1, uart2, sg1mdio,
79 bmcuart0b, r1err, r1md, r1oe 79 bmcuart0b, r1err, r1md, r1oen, r2oen, rmii3, r3oen, smb3d,
80 fanin0, fanin1, fanin2, fani 80 fanin0, fanin1, fanin2, fanin3, fanin4, fanin5, fanin6,
81 fanin7, fanin8, fanin9, fani 81 fanin7, fanin8, fanin9, fanin10, fanin11, fanin12, fanin13,
82 fanin14, fanin15, pwm0, pwm1 82 fanin14, fanin15, pwm0, pwm1, pwm2, pwm3, r2, r2err, r2md,
83 r3rxer, ga20kbc, smb5d, lpc, 83 r3rxer, ga20kbc, smb5d, lpc, espi, rg2, ddr, i3c0, i3c1,
84 i3c2, i3c3, i3c4, i3c5, smb0 84 i3c2, i3c3, i3c4, i3c5, smb0, smb1, smb2, smb2c, smb2b, smb1c,
85 smb1b, smb8, smb9, smb10, sm 85 smb1b, smb8, smb9, smb10, smb11, sd1, sd1pwr, pwm4, pwm5,
86 pwm6, pwm7, pwm8, pwm9, pwm1 86 pwm6, pwm7, pwm8, pwm9, pwm10, pwm11, mmc8, mmc, mmcwp, mmccd,
87 mmcrst, clkout, serirq, scip 87 mmcrst, clkout, serirq, scipme, smi, smb6, smb6b, smb6c,
88 smb6d, smb7, smb7b, smb7c, s 88 smb6d, smb7, smb7b, smb7c, smb7d, spi1, faninx, r1, spi3,
89 spi3cs1, spi3quad, spi3cs2, 89 spi3cs1, spi3quad, spi3cs2, spi3cs3, nprd_smi, smb0b, smb0c,
90 smb0den, smb0d, ddc, rg2mdio 90 smb0den, smb0d, ddc, rg2mdio, wdog1, wdog2, smb12, smb13,
91 spix, spixcs1, clkreq, hgpio 91 spix, spixcs1, clkreq, hgpio0, hgpio1, hgpio2, hgpio3, hgpio4,
92 hgpio5, hgpio6, hgpio7, bu4, 92 hgpio5, hgpio6, hgpio7, bu4, bu4b, bu5, bu5b, bu6, gpo187 ]
93 93
94 function: 94 function:
95 description: 95 description:
96 The function that a group of pins is 96 The function that a group of pins is muxed to
97 enum: [ iox1, iox2, smb1d, smb2d, lkgp 97 enum: [ iox1, iox2, smb1d, smb2d, lkgpo1, lkgpo2, ioxh, gspi, smb5b,
98 smb5c, lkgpo0, pspi, jm1, jm2, 98 smb5c, lkgpo0, pspi, jm1, jm2, smb4b, smb4c, smb15, smb16,
99 smb17, smb18, smb19, smb20, sm 99 smb17, smb18, smb19, smb20, smb21, smb22, smb23, smb23b, smb4d,
100 smb14, smb5, smb4, smb3, spi0c 100 smb14, smb5, smb4, smb3, spi0cs1, spi0cs2, spi0cs3, spi1cs0,
101 spi1cs1, spi1cs2, spi1cs3, spi 101 spi1cs1, spi1cs2, spi1cs3, spi1cs23, smb3c, smb3b, bmcuart0a,
102 uart1, jtag2, bmcuart1, uart2, 102 uart1, jtag2, bmcuart1, uart2, sg1mdio, bmcuart0b, r1err, r1md,
103 r1oen, r2oen, rmii3, r3oen, sm 103 r1oen, r2oen, rmii3, r3oen, smb3d, fanin0, fanin1, fanin2,
104 fanin3, fanin4, fanin5, fanin6 104 fanin3, fanin4, fanin5, fanin6, fanin7, fanin8, fanin9, fanin10,
105 fanin11, fanin12, fanin13, fan 105 fanin11, fanin12, fanin13, fanin14, fanin15, pwm0, pwm1, pwm2,
106 pwm3, r2, r2err, r2md, r3rxer, 106 pwm3, r2, r2err, r2md, r3rxer, ga20kbc, smb5d, lpc, espi, rg2,
107 ddr, i3c0, i3c1, i3c2, i3c3, i 107 ddr, i3c0, i3c1, i3c2, i3c3, i3c4, i3c5, smb0, smb1, smb2,
108 smb2c, smb2b, smb1c, smb1b, sm 108 smb2c, smb2b, smb1c, smb1b, smb8, smb9, smb10, smb11, sd1,
109 sd1pwr, pwm4, pwm5, pwm6, pwm7 109 sd1pwr, pwm4, pwm5, pwm6, pwm7, pwm8, pwm9, pwm10, pwm11,
110 mmc8, mmc, mmcwp, mmccd, mmcrs 110 mmc8, mmc, mmcwp, mmccd, mmcrst, clkout, serirq, scipme, smi,
111 smb6, smb6b, smb6c, smb6d, smb 111 smb6, smb6b, smb6c, smb6d, smb7, smb7b, smb7c, smb7d, spi1,
112 faninx, r1, spi3, spi3cs1, spi 112 faninx, r1, spi3, spi3cs1, spi3quad, spi3cs2, spi3cs3, nprd_smi,
113 smb0b, smb0c, smb0den, smb0d, 113 smb0b, smb0c, smb0den, smb0d, ddc, rg2mdio, wdog1, wdog2,
114 smb12, smb13, spix, spixcs1, c 114 smb12, smb13, spix, spixcs1, clkreq, hgpio0, hgpio1, hgpio2,
115 hgpio3, hgpio4, hgpio5, hgpio6 115 hgpio3, hgpio4, hgpio5, hgpio6, hgpio7, bu4, bu4b, bu5, bu5b,
116 bu6, gpo187 ] 116 bu6, gpo187 ]
117 117
118 dependencies: 118 dependencies:
119 groups: [ function ] 119 groups: [ function ]
120 function: [ groups ] 120 function: [ groups ]
121 121
122 additionalProperties: false 122 additionalProperties: false
123 123
124 '^pin': 124 '^pin':
125 $ref: pincfg-node.yaml# 125 $ref: pincfg-node.yaml#
126 126
127 properties: 127 properties:
128 pins: 128 pins:
129 description: 129 description:
130 A list of pins to configure in certa 130 A list of pins to configure in certain ways, such as enabling
131 debouncing 131 debouncing
132 items: 132 items:
133 pattern: '^GPIO([0-9]|[0-9][0-9]|1[0 133 pattern: '^GPIO([0-9]|[0-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-6])'
134 134
135 bias-disable: true 135 bias-disable: true
136 136
137 bias-pull-up: true 137 bias-pull-up: true
138 138
139 bias-pull-down: true 139 bias-pull-down: true
140 140
141 input-enable: true 141 input-enable: true
142 142
143 output-low: true 143 output-low: true
144 144
145 output-high: true 145 output-high: true
146 146
147 drive-push-pull: true 147 drive-push-pull: true
148 148
149 drive-open-drain: true 149 drive-open-drain: true
150 150
151 input-debounce: 151 input-debounce:
152 description: 152 description:
153 Debouncing periods in microseconds, 153 Debouncing periods in microseconds, one period per interrupt
154 bank found in the controller 154 bank found in the controller
155 minItems: 1 155 minItems: 1
156 maxItems: 4 156 maxItems: 4
157 157
158 slew-rate: 158 slew-rate:
159 description: | 159 description: |
160 0: Low rate 160 0: Low rate
161 1: High rate 161 1: High rate
162 enum: [0, 1] 162 enum: [0, 1]
163 163
164 drive-strength: 164 drive-strength:
165 enum: [ 0, 1, 2, 4, 8, 12 ] 165 enum: [ 0, 1, 2, 4, 8, 12 ]
166 166
167 additionalProperties: false 167 additionalProperties: false
168 168
169 allOf: 169 allOf:
170 - $ref: pinctrl.yaml# 170 - $ref: pinctrl.yaml#
171 171
172 required: 172 required:
173 - compatible 173 - compatible
174 - ranges 174 - ranges
175 - '#address-cells' 175 - '#address-cells'
176 - '#size-cells' 176 - '#size-cells'
177 - nuvoton,sysgcr 177 - nuvoton,sysgcr
178 178
179 additionalProperties: false 179 additionalProperties: false
180 180
181 examples: 181 examples:
182 - | 182 - |
183 #include <dt-bindings/interrupt-controller 183 #include <dt-bindings/interrupt-controller/arm-gic.h>
184 #include <dt-bindings/gpio/gpio.h> 184 #include <dt-bindings/gpio/gpio.h>
185 185
186 soc { 186 soc {
187 #address-cells = <2>; 187 #address-cells = <2>;
188 #size-cells = <2>; 188 #size-cells = <2>;
189 189
190 pinctrl: pinctrl@f0010000 { 190 pinctrl: pinctrl@f0010000 {
191 compatible = "nuvoton,npcm845-pinctrl" 191 compatible = "nuvoton,npcm845-pinctrl";
192 ranges = <0x0 0x0 0xf0010000 0x8000>; 192 ranges = <0x0 0x0 0xf0010000 0x8000>;
193 #address-cells = <1>; 193 #address-cells = <1>;
194 #size-cells = <1>; 194 #size-cells = <1>;
195 nuvoton,sysgcr = <&gcr>; 195 nuvoton,sysgcr = <&gcr>;
196 196
197 gpio0: gpio@0 { 197 gpio0: gpio@0 {
198 gpio-controller; 198 gpio-controller;
199 #gpio-cells = <2>; 199 #gpio-cells = <2>;
200 reg = <0x0 0xb0>; 200 reg = <0x0 0xb0>;
201 interrupts = <GIC_SPI 116 IRQ_TYPE_L 201 interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH>;
202 gpio-ranges = <&pinctrl 0 0 32>; 202 gpio-ranges = <&pinctrl 0 0 32>;
203 }; 203 };
204 204
205 fanin0_pin: fanin0-mux { 205 fanin0_pin: fanin0-mux {
206 groups = "fanin0"; 206 groups = "fanin0";
207 function = "fanin0"; 207 function = "fanin0";
208 }; 208 };
209 209
210 pin34_slew: pin34-slew { 210 pin34_slew: pin34-slew {
211 pins = "GPIO34/I3C4_SDA"; 211 pins = "GPIO34/I3C4_SDA";
212 bias-disable; 212 bias-disable;
213 }; 213 };
214 }; 214 };
215 }; 215 };
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