1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/pinctrl/actions,s500-pinctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Actions Semi S500 SoC pinmux & GPIO controller
8
9 maintainers:
10 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
11 - Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
12
13 description: |
14 Pinmux & GPIO controller manages pin multiplexing & configuration including
15 GPIO function selection & GPIO attributes configuration. Please refer to
16 pinctrl-bindings.txt in this directory for common binding part and usage.
17
18 properties:
19 compatible:
20 const: actions,s500-pinctrl
21
22 reg:
23 items:
24 - description: GPIO Output + GPIO Input + GPIO Data
25 - description: Multiplexing Control
26 - description: PAD Pull Control + PAD Schmitt Trigger Enable + PAD Control
27 - description: PAD Drive Capacity Select
28 minItems: 1
29
30 clocks:
31 maxItems: 1
32
33 gpio-controller: true
34
35 gpio-ranges:
36 maxItems: 1
37
38 '#gpio-cells':
39 description:
40 Specifies the pin number and flags, as defined in
41 include/dt-bindings/gpio/gpio.h
42 const: 2
43
44 interrupt-controller: true
45
46 '#interrupt-cells':
47 description:
48 Specifies the pin number and flags, as defined in
49 include/dt-bindings/interrupt-controller/irq.h
50 const: 2
51
52 interrupts:
53 description:
54 One interrupt per each of the 5 GPIO ports supported by the controller,
55 sorted by port number ascending order.
56 minItems: 5
57 maxItems: 5
58
59 patternProperties:
60 '-pins$':
61 type: object
62 patternProperties:
63 '^(.*-)?pinmux$':
64 type: object
65 description:
66 Pinctrl node's client devices specify pin muxes using subnodes,
67 which in turn use the standard properties below.
68 $ref: pinmux-node.yaml#
69
70 properties:
71 groups:
72 description:
73 List of gpio pin groups affected by the functions specified in
74 this subnode.
75 items:
76 oneOf:
77 - enum: [lcd0_d18_mfp, rmii_crs_dv_mfp, rmii_txd0_mfp,
78 rmii_txd1_mfp, rmii_txen_mfp, rmii_rxen_mfp, rmii_rxd1_mfp,
79 rmii_rxd0_mfp, rmii_ref_clk_mfp, i2s_d0_mfp, i2s_pcm1_mfp,
80 i2s0_pcm0_mfp, i2s1_pcm0_mfp, i2s_d1_mfp, ks_in2_mfp,
81 ks_in1_mfp, ks_in0_mfp, ks_in3_mfp, ks_out0_mfp,
82 ks_out1_mfp, ks_out2_mfp, lvds_o_pn_mfp, dsi_dn0_mfp,
83 dsi_dp2_mfp, lcd0_d17_mfp, dsi_dp3_mfp, dsi_dn3_mfp,
84 dsi_dp0_mfp, lvds_ee_pn_mfp, spi0_i2c_pcm_mfp,
85 spi0_i2s_pcm_mfp, dsi_dnp1_cp_mfp, lvds_e_pn_mfp,
86 dsi_dn2_mfp, uart2_rtsb_mfp, uart2_ctsb_mfp, uart3_rtsb_mfp,
87 uart3_ctsb_mfp, sd0_d0_mfp, sd0_d1_mfp, sd0_d2_d3_mfp,
88 sd1_d0_d3_mfp, sd0_cmd_mfp, sd0_clk_mfp, sd1_cmd_mfp,
89 uart0_rx_mfp, clko_25m_mfp, csi_cn_cp_mfp, sens0_ckout_mfp,
90 uart0_tx_mfp, i2c0_mfp, csi_dn_dp_mfp, sen0_pclk_mfp,
91 pcm1_in_mfp, pcm1_clk_mfp, pcm1_sync_mfp, pcm1_out_mfp,
92 dnand_data_wr_mfp, dnand_acle_ce0_mfp, nand_ceb2_mfp,
93 nand_ceb3_mfp]
94 minItems: 1
95 maxItems: 32
96
97 function:
98 description:
99 Specify the alternative function to be configured for the
100 given gpio pin groups.
101 enum: [nor, eth_rmii, eth_smii, spi0, spi1, spi2, spi3, sens0,
102 sens1, uart0, uart1, uart2, uart3, uart4, uart5, uart6, i2s0,
103 i2s1, pcm1, pcm0, ks, jtag, pwm0, pwm1, pwm2, pwm3, pwm4, pwm5,
104 p0, sd0, sd1, sd2, i2c0, i2c1, i2c3, dsi, lvds, usb30, clko_25m,
105 mipi_csi, nand, spdif, ts, lcd0]
106
107 required:
108 - groups
109 - function
110
111 additionalProperties: false
112
113 '^(.*-)?pinconf$':
114 type: object
115 description:
116 Pinctrl node's client devices specify pin configurations using
117 subnodes, which in turn use the standard properties below.
118 $ref: pincfg-node.yaml#
119
120 properties:
121 groups:
122 description:
123 List of gpio pin groups affected by the drive-strength property
124 specified in this subnode.
125 items:
126 oneOf:
127 - enum: [sirq_drv, rmii_txd01_txen_drv, rmii_rxer_drv,
128 rmii_crs_drv, rmii_rxd10_drv, rmii_ref_clk_drv,
129 smi_mdc_mdio_drv, i2s_d0_drv, i2s_bclk0_drv, i2s3_drv,
130 i2s13_drv, pcm1_drv, ks_in_drv, ks_out_drv, lvds_all_drv,
131 lcd_dsi_drv, dsi_drv, sd0_d0_d3_drv, sd1_d0_d3_drv,
132 sd0_cmd_drv, sd0_clk_drv, sd1_cmd_drv, sd1_clk_drv,
133 spi0_all_drv, uart0_rx_drv, uart0_tx_drv, uart2_all_drv,
134 i2c0_all_drv, i2c12_all_drv, sens0_pclk_drv,
135 sens0_ckout_drv, uart3_all_drv]
136 minItems: 1
137 maxItems: 32
138
139 pins:
140 description:
141 List of gpio pins affected by the bias-pull-* and
142 input-schmitt-* properties specified in this subnode.
143 items:
144 oneOf:
145 - enum: [dnand_dqs, dnand_dqsn, eth_txd0, eth_txd1, eth_txen,
146 eth_rxer, eth_crs_dv, eth_rxd1, eth_rxd0, eth_ref_clk,
147 eth_mdc, eth_mdio, sirq0, sirq1, sirq2, i2s_d0, i2s_bclk0,
148 i2s_lrclk0, i2s_mclk0, i2s_d1, i2s_bclk1, i2s_lrclk1,
149 i2s_mclk1, ks_in0, ks_in1, ks_in2, ks_in3, ks_out0, ks_out1,
150 ks_out2, lvds_oep, lvds_oen, lvds_odp, lvds_odn, lvds_ocp,
151 lvds_ocn, lvds_obp, lvds_obn, lvds_oap, lvds_oan, lvds_eep,
152 lvds_een, lvds_edp, lvds_edn, lvds_ecp, lvds_ecn, lvds_ebp,
153 lvds_ebn, lvds_eap, lvds_ean, lcd0_d18, lcd0_d17, dsi_dp3,
154 dsi_dn3, dsi_dp1, dsi_dn1, dsi_cp, dsi_cn, dsi_dp0, dsi_dn0,
155 dsi_dp2, dsi_dn2, sd0_d0, sd0_d1, sd0_d2, sd0_d3, sd1_d0,
156 sd1_d1, sd1_d2, sd1_d3, sd0_cmd, sd0_clk, sd1_cmd, sd1_clk,
157 spi0_sclk, spi0_ss, spi0_miso, spi0_mosi, uart0_rx,
158 uart0_tx, i2c0_sclk, i2c0_sdata, sensor0_pclk,
159 sensor0_ckout, dnand_ale, dnand_cle, dnand_ceb0, dnand_ceb1,
160 dnand_ceb2, dnand_ceb3, uart2_rx, uart2_tx, uart2_rtsb,
161 uart2_ctsb, uart3_rx, uart3_tx, uart3_rtsb, uart3_ctsb,
162 pcm1_in, pcm1_clk, pcm1_sync, pcm1_out, i2c1_sclk,
163 i2c1_sdata, i2c2_sclk, i2c2_sdata, csi_dn0, csi_dp0,
164 csi_dn1, csi_dp1, csi_dn2, csi_dp2, csi_dn3, csi_dp3,
165 csi_cn, csi_cp, dnand_d0, dnand_d1, dnand_d2, dnand_d3,
166 dnand_d4, dnand_d5, dnand_d6, dnand_d7, dnand_rb, dnand_rdb,
167 dnand_rdbn, dnand_wrb, porb, clko_25m, bsel, pkg0, pkg1,
168 pkg2, pkg3]
169 minItems: 1
170 maxItems: 64
171
172 bias-pull-up: true
173 bias-pull-down: true
174
175 drive-strength:
176 description:
177 Selects the drive strength for the specified pins, in mA.
178 enum: [2, 4, 8, 12]
179
180 input-schmitt-enable: true
181 input-schmitt-disable: true
182
183 additionalProperties: false
184
185 additionalProperties: false
186
187 allOf:
188 - $ref: pinctrl.yaml#
189
190 required:
191 - compatible
192 - reg
193 - clocks
194 - gpio-controller
195 - gpio-ranges
196 - '#gpio-cells'
197 - interrupt-controller
198 - '#interrupt-cells'
199 - interrupts
200
201 additionalProperties: false
202
203 examples:
204 - |
205 #include <dt-bindings/interrupt-controller/arm-gic.h>
206 pinctrl: pinctrl@b01b0000 {
207 compatible = "actions,s500-pinctrl";
208 reg = <0xb01b0000 0x40>, <0xb01b0040 0x10>,
209 <0xb01b0060 0x18>, <0xb01b0080 0xc>;
210 clocks = <&cmu 55>;
211 gpio-controller;
212 gpio-ranges = <&pinctrl 0 0 132>;
213 #gpio-cells = <2>;
214 interrupt-controller;
215 #interrupt-cells = <2>;
216 interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>,
217 <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>,
218 <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>,
219 <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
220 <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
221
222 mmc0_pins: mmc0-pins {
223 pinmux {
224 groups = "sd0_d0_mfp", "sd0_d1_mfp", "sd0_d2_d3_mfp",
225 "sd0_cmd_mfp", "sd0_clk_mfp";
226 function = "sd0";
227 };
228
229 drv-pinconf {
230 groups = "sd0_d0_d3_drv", "sd0_cmd_drv", "sd0_clk_drv";
231 drive-strength = <8>;
232 };
233
234 bias-pinconf {
235 pins = "sd0_d0", "sd0_d1", "sd0_d2",
236 "sd0_d3", "sd0_cmd";
237 bias-pull-up;
238 };
239 };
240 };
241
242 ...
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