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