1 Intel x86 PINCTRL/GPIO controller
3 Pin-muxing on broadwell devices can be described with a node for the PINCTRL
4 master node and a set of child nodes for each required pin state on the SoC.
5 These pin states use phandles and are referred to but a configuration section
6 which lists all pins in the device.
8 The PINCTRL master node requires the following properties:
9 - compatible : "intel,x86-broadwell-pinctrl"
11 Pin state nodes must be sub-nodes of the pinctrl master node. The must have
12 a phandle. They can contain the following optional properties:
13 - mode-gpio - forces the pin into GPIO mode
14 - output-value - sets the default output value of the GPIO, 0 (low, default)
16 - direction - sets the direction of the gpio, either PIN_INPUT (default)
18 - invert - the input pin is inverted
19 - trigger - sets the trigger type, either TRIGGER_EDGE (default) or
21 - sense-disable - the input state sense is disabled
22 - owner 0 sets the owner of the pin, either OWNER_ACPI (default) or
24 - route - sets whether the pin is routed, either PIRQ_APIC_MASK or
26 - irq-enable - the interrupt is enabled
27 - reset-rsmrst - the pin will only be reset by RSMRST
28 - pirq-apic - the pin will be routed to the IOxAPIC
30 The first pin state will be the default, so pins without a configuration will
33 The pin configuration node is also a sub-node of the pinctrl master node, but
34 does not have a phandle. It has a single property:
36 - config - configuration to use for each pin. Each entry has of 3 cells:
38 - phandle of configuration (above)
39 - interrupt number (0..15)
41 There should be one entry for each pin (i.e. 95 entries).
42 But missing pins will receive the default configuration.
47 compatible = "intel,x86-broadwell-pinctrl";
49 /* Put this first: it is the default */
50 gpio_unused: gpio-unused {
52 direction = <PIN_INPUT>;
57 gpio_acpi_sci: acpi-sci {
59 direction = <PIN_INPUT>;
64 gpio_acpi_smi: acpi-smi {
66 direction = <PIN_INPUT>;
71 gpio_input: gpio-input {
73 direction = <PIN_INPUT>;
77 gpio_input_invert: gpio-input-invert {
79 direction = <PIN_INPUT>;
84 gpio_native: gpio-native {
87 gpio_out_high: gpio-out-high {
89 direction = <PIN_OUTPUT>;
95 gpio_out_low: gpio-out-low {
97 direction = <PIN_OUTPUT>;
103 gpio_pirq: gpio-pirq {
105 direction = <PIN_INPUT>;
106 owner = <OWNER_GPIO>;
107 pirq-apic = <PIRQ_APIC_ROUTE>;
112 <0 &gpio_unused 0>, /* unused */
113 <1 &gpio_unused 0>, /* unused */
114 <2 &gpio_unused 0>, /* unused */
115 <3 &gpio_unused 0>, /* unused */
116 <4 &gpio_native 0>, /* native: i2c0_sda_gpio4 */
117 <5 &gpio_native 0>, /* native: i2c0_scl_gpio5 */
118 <6 &gpio_native 0>, /* native: i2c1_sda_gpio6 */
119 <7 &gpio_native 0>, /* native: i2c1_scl_gpio7 */
120 <8 &gpio_acpi_sci 0>, /* pch_lte_wake_l */
121 <9 &gpio_input_invert 0>,/* trackpad_int_l (wake) */
122 <10 &gpio_acpi_sci 0>, /* pch_wlan_wake_l */
123 <11 &gpio_unused 0>, /* unused */
124 <12 &gpio_unused 0>, /* unused */
125 <13 &gpio_pirq 3>, /* trackpad_int_l (pirql) */
126 <14 &gpio_pirq 4>, /* touch_int_l (pirqm) */
127 <15 &gpio_unused 0>, /* unused (strap) */
128 <16 &gpio_input 0>, /* pch_wp */
129 <17 &gpio_unused 0>, /* unused */
130 <18 &gpio_unused 0>, /* unused */
131 <19 &gpio_unused 0>, /* unused */
132 <20 &gpio_native 0>, /* pcie_wlan_clkreq_l */
133 <21 &gpio_out_high 0>, /* pp3300_ssd_en */
134 <22 &gpio_unused 0>, /* unused */
135 <23 &gpio_out_low 0>, /* pp3300_autobahn_en */
136 <24 &gpio_unused 0>, /* unused */
137 <25 &gpio_input 0>, /* ec_in_rw */
138 <26 &gpio_unused 0>, /* unused */
139 <27 &gpio_acpi_sci 0>, /* pch_wake_l */
140 <28 &gpio_unused 0>, /* unused */
141 <29 &gpio_unused 0>, /* unused */
142 <30 &gpio_native 0>, /* native: pch_suswarn_l */
143 <31 &gpio_native 0>, /* native: acok_buf */
144 <32 &gpio_native 0>, /* native: lpc_clkrun_l */
145 <33 &gpio_native 0>, /* native: ssd_devslp */
146 <34 &gpio_acpi_smi 0>, /* ec_smi_l */
147 <35 &gpio_acpi_smi 0>, /* pch_nmi_dbg_l (route in nmi_en) */
148 <36 &gpio_acpi_sci 0>, /* ec_sci_l */
149 <37 &gpio_unused 0>, /* unused */
150 <38 &gpio_unused 0>, /* unused */
151 <39 &gpio_unused 0>, /* unused */
152 <40 &gpio_native 0>, /* native: pch_usb1_oc_l */
153 <41 &gpio_native 0>, /* native: pch_usb2_oc_l */
154 <42 &gpio_unused 0>, /* wlan_disable_l */
155 <43 &gpio_out_high 0>, /* pp1800_codec_en */
156 <44 &gpio_unused 0>, /* unused */
157 <45 &gpio_acpi_sci 0>, /* dsp_int - codec wake */
158 <46 &gpio_pirq 6>, /* hotword_det_l_3v3 (pirqo) - codec irq */
159 <47 &gpio_out_low 0>, /* ssd_reset_l */
160 <48 &gpio_unused 0>, /* unused */
161 <49 &gpio_unused 0>, /* unused */
162 <50 &gpio_unused 0>, /* unused */
163 <51 &gpio_unused 0>, /* unused */
164 <52 &gpio_input 0>, /* sim_det */
165 <53 &gpio_unused 0>, /* unused */
166 <54 &gpio_unused 0>, /* unused */
167 <55 &gpio_unused 0>, /* unused */
168 <56 &gpio_unused 0>, /* unused */
169 <57 &gpio_out_high 0>, /* codec_reset_l */
170 <58 &gpio_unused 0>, /* unused */
171 <59 &gpio_out_high 0>, /* lte_disable_l */
172 <60 &gpio_unused 0>, /* unused */
173 <61 &gpio_native 0>, /* native: pch_sus_stat */
174 <62 &gpio_native 0>, /* native: pch_susclk */
175 <63 &gpio_native 0>, /* native: pch_slp_s5_l */
176 <64 &gpio_unused 0>, /* unused */
177 <65 &gpio_input 0>, /* ram_id3 */
178 <66 &gpio_input 0>, /* ram_id3_old (strap) */
179 <67 &gpio_input 0>, /* ram_id0 */
180 <68 &gpio_input 0>, /* ram_id1 */
181 <69 &gpio_input 0>, /* ram_id2 */
182 <70 &gpio_unused 0>, /* unused */
183 <71 &gpio_native 0>, /* native: modphy_en */
184 <72 &gpio_unused 0>, /* unused */
185 <73 &gpio_unused 0>, /* unused */
186 <74 &gpio_unused 0>, /* unused */
187 <75 &gpio_unused 0>, /* unused */
188 <76 &gpio_unused 0>, /* unused */
189 <77 &gpio_unused 0>, /* unused */
190 <78 &gpio_unused 0>, /* unused */
191 <79 &gpio_unused 0>, /* unused */
192 <80 &gpio_unused 0>, /* unused */
193 <81 &gpio_unused 0>, /* unused */
194 <82 &gpio_native 0>, /* native: ec_rcin_l */
195 <83 &gpio_native 0>, /* gspi0_cs */
196 <84 &gpio_native 0>, /* gspi0_clk */
197 <85 &gpio_native 0>, /* gspi0_miso */
198 <86 &gpio_native 0>, /* gspi0_mosi (strap) */
199 <87 &gpio_unused 0>, /* unused */
200 <88 &gpio_unused 0>, /* unused */
201 <89 &gpio_out_high 0>, /* pp3300_sd_en */
202 <90 &gpio_unused 0>, /* unused */
203 <91 &gpio_unused 0>, /* unused */
204 <92 &gpio_unused 0>, /* unused */
205 <93 &gpio_unused 0>, /* unused */
206 <94 &gpio_unused 0 >; /* unused */