tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/bitmain,bm1880-pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Bitmain BM1880 Pin Controller
8
9maintainers:
10 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
11
12properties:
13 compatible:
14 const: bitmain,bm1880-pinctrl
15
16 reg:
17 maxItems: 1
18
19additionalProperties:
20 description: A pin configuration node.
21 type: object
22 additionalProperties: false
23
24 properties:
25 pinmux:
26 type: object
27 description: Pin multiplexing parameters.
28 allOf:
29 - $ref: /schemas/pinctrl/pincfg-node.yaml#
30 - $ref: /schemas/pinctrl/pinmux-node.yaml#
31 additionalProperties: false
32
33 properties:
34 pins:
35 items:
36 pattern: '^MIO[0-9]+$'
37
38 groups:
39 items:
40 enum: [
41 nand_grp, spi_grp, emmc_grp, sdio_grp, eth0_grp, pwm0_grp,
42 pwm1_grp, pwm2_grp, pwm3_grp, pwm4_grp, pwm5_grp, pwm6_grp,
43 pwm7_grp, pwm8_grp, pwm9_grp, pwm10_grp, pwm11_grp, pwm12_grp,
44 pwm13_grp, pwm14_grp, pwm15_grp, pwm16_grp, pwm17_grp,
45 pwm18_grp, pwm19_grp, pwm20_grp, pwm21_grp, pwm22_grp,
46 pwm23_grp, pwm24_grp, pwm25_grp, pwm26_grp, pwm27_grp,
47 pwm28_grp, pwm29_grp, pwm30_grp, pwm31_grp, pwm32_grp,
48 pwm33_grp, pwm34_grp, pwm35_grp, pwm36_grp, i2c0_grp,
49 i2c1_grp, i2c2_grp, i2c3_grp, i2c4_grp, uart0_grp, uart1_grp,
50 uart2_grp, uart3_grp, uart4_grp, uart5_grp, uart6_grp,
51 uart7_grp, uart8_grp, uart9_grp, uart10_grp, uart11_grp,
52 uart12_grp, uart13_grp, uart14_grp, uart15_grp, gpio0_grp,
53 gpio1_grp, gpio2_grp, gpio3_grp, gpio4_grp, gpio5_grp,
54 gpio6_grp, gpio7_grp, gpio8_grp, gpio9_grp, gpio10_grp,
55 gpio11_grp, gpio12_grp, gpio13_grp, gpio14_grp, gpio15_grp,
56 gpio16_grp, gpio17_grp, gpio18_grp, gpio19_grp, gpio20_grp,
57 gpio21_grp, gpio22_grp, gpio23_grp, gpio24_grp, gpio25_grp,
58 gpio26_grp, gpio27_grp, gpio28_grp, gpio29_grp, gpio30_grp,
59 gpio31_grp, gpio32_grp, gpio33_grp, gpio34_grp, gpio35_grp,
60 gpio36_grp, gpio37_grp, gpio38_grp, gpio39_grp, gpio40_grp,
61 gpio41_grp, gpio42_grp, gpio43_grp, gpio44_grp, gpio45_grp,
62 gpio46_grp, gpio47_grp, gpio48_grp, gpio49_grp, gpio50_grp,
63 gpio51_grp, gpio52_grp, gpio53_grp, gpio54_grp, gpio55_grp,
64 gpio56_grp, gpio57_grp, gpio58_grp, gpio59_grp, gpio60_grp,
65 gpio61_grp, gpio62_grp, gpio63_grp, gpio64_grp, gpio65_grp,
66 gpio66_grp, gpio67_grp, eth1_grp, i2s0_grp, i2s0_mclkin_grp,
67 i2s1_grp, i2s1_mclkin_grp, spi0_grp
68 ]
69
70 function:
71 items:
72 enum: [
73 nand, spi, emmc, sdio, eth0, pwm0, pwm1, pwm2, pwm3, pwm4,
74 pwm5, pwm6, pwm7, pwm8, pwm9, pwm10, pwm11, pwm12, pwm13,
75 pwm14, pwm15, pwm16, pwm17, pwm18, pwm19, pwm20, pwm21, pwm22,
76 pwm23, pwm24, pwm25, pwm26, pwm27, pwm28, pwm29, pwm30, pwm31,
77 pwm32, pwm33, pwm34, pwm35, pwm36, i2c0, i2c1, i2c2, i2c3,
78 i2c4, uart0, uart1, uart2, uart3, uart4, uart5, uart6, uart7,
79 uart8, uart9, uart10, uart11, uart12, uart13, uart14, uart15,
80 gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6, gpio7, gpio8,
81 gpio9, gpio10, gpio11, gpio12, gpio13, gpio14, gpio15, gpio16,
82 gpio17, gpio18, gpio19, gpio20, gpio21, gpio22, gpio23,
83 gpio24, gpio25, gpio26, gpio27, gpio28, gpio29, gpio30,
84 gpio31, gpio32, gpio33, gpio34, gpio35, gpio36, gpio37,
85 gpio38, gpio39, gpio40, gpio41, gpio42, gpio43, gpio44,
86 gpio45, gpio46, gpio47, gpio48, gpio49, gpio50, gpio51,
87 gpio52, gpio53, gpio54, gpio55, gpio56, gpio57, gpio58,
88 gpio59, gpio60, gpio61, gpio62, gpio63, gpio64, gpio65,
89 gpio66, gpio67, eth1, i2s0, i2s0_mclkin, i2s1, i2s1_mclkin,
90 spi0
91 ]
92
93 bias-disable: true
94 bias-pull-down: true
95 bias-pull-up: true
96 input-schmitt-enable: true
97 input-schmitt-disable: true
98
99 slew-rate:
100 description: >
101 Sets slew rate. Valid values: 0 = Slow, 1 = Fast.
102 enum: [0, 1]
103
104 drive-strength:
105 enum: [4, 8, 12, 16, 20, 24, 28, 32]
106
107 oneOf:
108 - required:
109 - pins
110 - required:
111 - groups
112
113 required:
114 - function
115
116required:
117 - compatible
118 - reg
119
120examples:
121 - |
122 pinctrl@400 {
123 compatible = "bitmain,bm1880-pinctrl";
124 reg = <0x400 0x120>;
125
126 uart0-default {
127 pinmux {
128 groups = "uart0_grp";
129 function = "uart0";
130 };
131 };
132 };