Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/pinctrl/nvidia,tegra20-pinmux.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: NVIDIA Tegra20 Pinmux Controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Thierry Reding <thierry.reding@gmail.com> |
| 11 | - Jon Hunter <jonathanh@nvidia.com> |
| 12 | |
| 13 | properties: |
| 14 | compatible: |
| 15 | const: nvidia,tegra20-pinmux |
| 16 | |
| 17 | reg: |
| 18 | items: |
| 19 | - description: tri-state registers |
| 20 | - description: mux register |
| 21 | - description: pull-up/down registers |
| 22 | - description: pad control registers |
| 23 | |
| 24 | patternProperties: |
| 25 | "^pinmux(-[a-z0-9-_]+)?$": |
| 26 | type: object |
| 27 | |
| 28 | # pin groups |
| 29 | additionalProperties: |
| 30 | $ref: nvidia,tegra-pinmux-common.yaml |
| 31 | additionalProperties: false |
| 32 | properties: |
| 33 | nvidia,pins: |
| 34 | items: |
| 35 | enum: [ ata, atb, atc, atd, ate, cdev1, cdev2, crtp, csus, dap1, |
| 36 | dap2, dap3, dap4, ddc, dta, dtb, dtc, dtd, dte, dtf, gma, |
| 37 | gmb, gmc, gmd, gme, gpu, gpu7, gpv, hdint, i2cp, irrx, |
| 38 | irtx, kbca, kbcb, kbcc, kbcd, kbce, kbcf, lcsn, ld0, ld1, |
| 39 | ld2, ld3, ld4, ld5, ld6, ld7, ld8, ld9, ld10, ld11, ld12, |
| 40 | ld13, ld14, ld15, ld16, ld17, ldc, ldi, lhp0, lhp1, lhp2, |
| 41 | lhs, lm0, lm1, lpp, lpw0, lpw1, lpw2, lsc0, lsc1, lsck, |
| 42 | lsda, lsdi, lspi, lvp0, lvp1, lvs, owc, pmc, pta, rm, sdb, |
| 43 | sdc, sdd, sdio1, slxa, slxc, slxd, slxk, spdi, spdo, spia, |
| 44 | spib, spic, spid, spie, spif, spig, spih, uaa, uab, uac, |
| 45 | uad, uca, ucb, uda, |
| 46 | # tristate groups |
| 47 | ck32, ddrc, pmca, pmcb, pmcc, pmcd, pmce, xm2c, xm2d, ls, |
| 48 | lc, ld17_0, ld19_18, ld21_20, ld23_22, |
| 49 | # drive groups |
| 50 | drive_ao1, drive_ao2, drive_at1, drive_at2, drive_cdev1, |
| 51 | drive_cdev2, drive_csus, drive_dap1, drive_dap2, |
| 52 | drive_dap3, drive_dap4, drive_dbg, drive_lcd1, drive_lcd2, |
| 53 | drive_sdmmc2, drive_sdmmc3, drive_spi, drive_uaa, |
| 54 | drive_uab, drive_uart2, drive_uart3, drive_vi1, drive_vi2, |
| 55 | drive_xm2a, drive_xm2c, drive_xm2d, drive_xm2clk, |
| 56 | drive_sdio1, drive_crt, drive_ddc, drive_gma, drive_gmb, |
| 57 | drive_gmc, drive_gmd, drive_gme, drive_owr, drive_uda ] |
| 58 | |
| 59 | nvidia,function: |
| 60 | enum: [ ahb_clk, apb_clk, audio_sync, crt, dap1, dap2, dap3, dap4, |
| 61 | dap5, displaya, displayb, emc_test0_dll, emc_test1_dll, gmi, |
| 62 | gmi_int, hdmi, i2cp, i2c1, i2c2, i2c3, ide, irda, kbc, mio, |
| 63 | mipi_hs, nand, osc, owr, pcie, plla_out, pllc_out1, |
| 64 | pllm_out1, pllp_out2, pllp_out3, pllp_out4, pwm, pwr_intr, |
| 65 | pwr_on, rsvd1, rsvd2, rsvd3, rsvd4, rtck, sdio1, sdio2, |
| 66 | sdio3, sdio4, sflash, spdif, spi1, spi2, spi2_alt, spi3, |
| 67 | spi4, trace, twc, uarta, uartb, uartc, uartd, uarte, ulpi, |
| 68 | vi, vi_sensor_clk, xio ] |
| 69 | |
| 70 | nvidia,pull: true |
| 71 | nvidia,tristate: true |
| 72 | nvidia,schmitt: true |
| 73 | nvidia,pull-down-strength: true |
| 74 | nvidia,pull-up-strength: true |
| 75 | nvidia,high-speed-mode: true |
| 76 | nvidia,low-power-mode: true |
| 77 | nvidia,slew-rate-rising: true |
| 78 | nvidia,slew-rate-falling: true |
| 79 | |
| 80 | required: |
| 81 | - nvidia,pins |
| 82 | |
| 83 | additionalProperties: false |
| 84 | |
| 85 | required: |
| 86 | - compatible |
| 87 | - reg |
| 88 | |
| 89 | examples: |
| 90 | - | |
| 91 | #include <dt-bindings/clock/tegra20-car.h> |
| 92 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 93 | |
| 94 | pinctrl@70000000 { |
| 95 | compatible = "nvidia,tegra20-pinmux"; |
| 96 | reg = <0x70000014 0x10>, /* Tri-state registers */ |
| 97 | <0x70000080 0x20>, /* Mux registers */ |
| 98 | <0x700000a0 0x14>, /* Pull-up/down registers */ |
| 99 | <0x70000868 0xa8>; /* Pad control registers */ |
| 100 | |
| 101 | pinmux { |
| 102 | atb { |
| 103 | nvidia,pins = "atb", "gma", "gme"; |
| 104 | nvidia,function = "sdio4"; |
| 105 | nvidia,pull = <0>; |
| 106 | nvidia,tristate = <0>; |
| 107 | }; |
| 108 | }; |
| 109 | }; |
| 110 | ... |