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/clock/samsung,exynos7-clock.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Samsung Exynos7 SoC clock controller |
| 8 | |
| 9 | maintainers: |
| 10 | - Chanwoo Choi <cw00.choi@samsung.com> |
| 11 | - Krzysztof Kozlowski <krzk@kernel.org> |
| 12 | - Sylwester Nawrocki <s.nawrocki@samsung.com> |
| 13 | - Tomasz Figa <tomasz.figa@gmail.com> |
| 14 | |
| 15 | description: | |
| 16 | Expected external clocks, defined in DTS as fixed-rate clocks with a matching |
| 17 | name:: |
| 18 | - "fin_pll" - PLL input clock from XXTI |
| 19 | |
| 20 | All available clocks are defined as preprocessor macros in |
| 21 | include/dt-bindings/clock/exynos7-clk.h header. |
| 22 | |
| 23 | properties: |
| 24 | compatible: |
| 25 | enum: |
| 26 | - samsung,exynos7-clock-topc |
| 27 | - samsung,exynos7-clock-top0 |
| 28 | - samsung,exynos7-clock-top1 |
| 29 | - samsung,exynos7-clock-ccore |
| 30 | - samsung,exynos7-clock-peric0 |
| 31 | - samsung,exynos7-clock-peric1 |
| 32 | - samsung,exynos7-clock-peris |
| 33 | - samsung,exynos7-clock-fsys0 |
| 34 | - samsung,exynos7-clock-fsys1 |
| 35 | - samsung,exynos7-clock-mscl |
| 36 | - samsung,exynos7-clock-aud |
| 37 | |
| 38 | clocks: |
| 39 | minItems: 1 |
| 40 | maxItems: 13 |
| 41 | |
| 42 | clock-names: |
| 43 | minItems: 1 |
| 44 | maxItems: 13 |
| 45 | |
| 46 | "#clock-cells": |
| 47 | const: 1 |
| 48 | |
| 49 | reg: |
| 50 | maxItems: 1 |
| 51 | |
| 52 | required: |
| 53 | - compatible |
| 54 | - "#clock-cells" |
| 55 | - reg |
| 56 | |
| 57 | allOf: |
| 58 | - if: |
| 59 | properties: |
| 60 | compatible: |
| 61 | contains: |
| 62 | const: samsung,exynos7-clock-top0 |
| 63 | then: |
| 64 | properties: |
| 65 | clocks: |
| 66 | minItems: 6 |
| 67 | maxItems: 6 |
| 68 | clock-names: |
| 69 | items: |
| 70 | - const: fin_pll |
| 71 | - const: dout_sclk_bus0_pll |
| 72 | - const: dout_sclk_bus1_pll |
| 73 | - const: dout_sclk_cc_pll |
| 74 | - const: dout_sclk_mfc_pll |
| 75 | - const: dout_sclk_aud_pll |
| 76 | required: |
| 77 | - clock-names |
| 78 | - clocks |
| 79 | |
| 80 | - if: |
| 81 | properties: |
| 82 | compatible: |
| 83 | contains: |
| 84 | const: samsung,exynos7-clock-top1 |
| 85 | then: |
| 86 | properties: |
| 87 | clocks: |
| 88 | minItems: 5 |
| 89 | maxItems: 5 |
| 90 | clock-names: |
| 91 | items: |
| 92 | - const: fin_pll |
| 93 | - const: dout_sclk_bus0_pll |
| 94 | - const: dout_sclk_bus1_pll |
| 95 | - const: dout_sclk_cc_pll |
| 96 | - const: dout_sclk_mfc_pll |
| 97 | required: |
| 98 | - clock-names |
| 99 | - clocks |
| 100 | |
| 101 | - if: |
| 102 | properties: |
| 103 | compatible: |
| 104 | contains: |
| 105 | const: samsung,exynos7-clock-ccore |
| 106 | then: |
| 107 | properties: |
| 108 | clocks: |
| 109 | minItems: 2 |
| 110 | maxItems: 2 |
| 111 | clock-names: |
| 112 | items: |
| 113 | - const: fin_pll |
| 114 | - const: dout_aclk_ccore_133 |
| 115 | required: |
| 116 | - clock-names |
| 117 | - clocks |
| 118 | |
| 119 | - if: |
| 120 | properties: |
| 121 | compatible: |
| 122 | contains: |
| 123 | const: samsung,exynos7-clock-peric0 |
| 124 | then: |
| 125 | properties: |
| 126 | clocks: |
| 127 | minItems: 3 |
| 128 | maxItems: 3 |
| 129 | clock-names: |
| 130 | items: |
| 131 | - const: fin_pll |
| 132 | - const: dout_aclk_peric0_66 |
| 133 | - const: sclk_uart0 |
| 134 | required: |
| 135 | - clock-names |
| 136 | - clocks |
| 137 | |
| 138 | - if: |
| 139 | properties: |
| 140 | compatible: |
| 141 | contains: |
| 142 | const: samsung,exynos7-clock-peric1 |
| 143 | then: |
| 144 | properties: |
| 145 | clocks: |
| 146 | minItems: 13 |
| 147 | maxItems: 13 |
| 148 | clock-names: |
| 149 | items: |
| 150 | - const: fin_pll |
| 151 | - const: dout_aclk_peric1_66 |
| 152 | - const: sclk_uart1 |
| 153 | - const: sclk_uart2 |
| 154 | - const: sclk_uart3 |
| 155 | - const: sclk_spi0 |
| 156 | - const: sclk_spi1 |
| 157 | - const: sclk_spi2 |
| 158 | - const: sclk_spi3 |
| 159 | - const: sclk_spi4 |
| 160 | - const: sclk_i2s1 |
| 161 | - const: sclk_pcm1 |
| 162 | - const: sclk_spdif |
| 163 | required: |
| 164 | - clock-names |
| 165 | - clocks |
| 166 | |
| 167 | - if: |
| 168 | properties: |
| 169 | compatible: |
| 170 | contains: |
| 171 | const: samsung,exynos7-clock-peris |
| 172 | then: |
| 173 | properties: |
| 174 | clocks: |
| 175 | minItems: 2 |
| 176 | maxItems: 2 |
| 177 | clock-names: |
| 178 | items: |
| 179 | - const: fin_pll |
| 180 | - const: dout_aclk_peris_66 |
| 181 | required: |
| 182 | - clock-names |
| 183 | - clocks |
| 184 | |
| 185 | - if: |
| 186 | properties: |
| 187 | compatible: |
| 188 | contains: |
| 189 | const: samsung,exynos7-clock-fsys0 |
| 190 | then: |
| 191 | properties: |
| 192 | clocks: |
| 193 | minItems: 3 |
| 194 | maxItems: 3 |
| 195 | clock-names: |
| 196 | items: |
| 197 | - const: fin_pll |
| 198 | - const: dout_aclk_fsys0_200 |
| 199 | - const: dout_sclk_mmc2 |
| 200 | required: |
| 201 | - clock-names |
| 202 | - clocks |
| 203 | |
| 204 | - if: |
| 205 | properties: |
| 206 | compatible: |
| 207 | contains: |
| 208 | const: samsung,exynos7-clock-fsys1 |
| 209 | then: |
| 210 | properties: |
| 211 | clocks: |
| 212 | minItems: 7 |
| 213 | maxItems: 7 |
| 214 | clock-names: |
| 215 | items: |
| 216 | - const: fin_pll |
| 217 | - const: dout_aclk_fsys1_200 |
| 218 | - const: dout_sclk_mmc0 |
| 219 | - const: dout_sclk_mmc1 |
| 220 | - const: dout_sclk_ufsunipro20 |
| 221 | - const: dout_sclk_phy_fsys1 |
| 222 | - const: dout_sclk_phy_fsys1_26m |
| 223 | required: |
| 224 | - clock-names |
| 225 | - clocks |
| 226 | |
| 227 | - if: |
| 228 | properties: |
| 229 | compatible: |
| 230 | contains: |
| 231 | const: samsung,exynos7-clock-aud |
| 232 | then: |
| 233 | properties: |
| 234 | clocks: |
| 235 | minItems: 2 |
| 236 | maxItems: 2 |
| 237 | clock-names: |
| 238 | items: |
| 239 | - const: fin_pll |
| 240 | - const: fout_aud_pll |
| 241 | required: |
| 242 | - clock-names |
| 243 | - clocks |
| 244 | |
| 245 | additionalProperties: false |
| 246 | |
| 247 | examples: |
| 248 | - | |
| 249 | #include <dt-bindings/clock/exynos7-clk.h> |
| 250 | |
| 251 | fin_pll: clock { |
| 252 | compatible = "fixed-clock"; |
| 253 | clock-output-names = "fin_pll"; |
| 254 | #clock-cells = <0>; |
| 255 | clock-frequency = <24000000>; |
| 256 | }; |
| 257 | |
| 258 | clock-controller@105e0000 { |
| 259 | compatible = "samsung,exynos7-clock-top1"; |
| 260 | reg = <0x105e0000 0xb000>; |
| 261 | #clock-cells = <1>; |
| 262 | clocks = <&fin_pll>, |
| 263 | <&clock_topc DOUT_SCLK_BUS0_PLL>, |
| 264 | <&clock_topc DOUT_SCLK_BUS1_PLL>, |
| 265 | <&clock_topc DOUT_SCLK_CC_PLL>, |
| 266 | <&clock_topc DOUT_SCLK_MFC_PLL>; |
| 267 | clock-names = "fin_pll", |
| 268 | "dout_sclk_bus0_pll", |
| 269 | "dout_sclk_bus1_pll", |
| 270 | "dout_sclk_cc_pll", |
| 271 | "dout_sclk_mfc_pll"; |
| 272 | }; |