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regulator: mt6358: Make MT6366 vcn18 LDO configurable

The VCN18 regulator on the MT6366 (only) actually has a wide
configurable range of voltages, even though its name suggests a fixed
output voltage.

Convert it from a fixed LDO to a configurable LDO. Its range of settings
is the same as the VM18 regulator, which is missing and will be added in
a subsequent patch.

Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230928085537.3246669-10-wenst@chromium.org
Signed-off-by: Mark Brown <broonie@kernel.org>

authored by

Chen-Yu Tsai and committed by
Mark Brown b7f3b898 0c3697b8

+23 -1
+23 -1
drivers/regulator/mt6358-regulator.c
··· 325 325 REGULATOR_LINEAR_RANGE(3000000, 0, 10, 10000), 326 326 }; 327 327 328 + static const unsigned int mt6366_vcn18_vm18_selectors[] = { 329 + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }; 330 + static const struct linear_range mt6366_vcn18_vm18_ranges[] = { 331 + REGULATOR_LINEAR_RANGE(600000, 0, 10, 10000), 332 + REGULATOR_LINEAR_RANGE(700000, 0, 10, 10000), 333 + REGULATOR_LINEAR_RANGE(800000, 0, 10, 10000), 334 + REGULATOR_LINEAR_RANGE(900000, 0, 10, 10000), 335 + REGULATOR_LINEAR_RANGE(1000000, 0, 10, 10000), 336 + REGULATOR_LINEAR_RANGE(1100000, 0, 10, 10000), 337 + REGULATOR_LINEAR_RANGE(1200000, 0, 10, 10000), 338 + REGULATOR_LINEAR_RANGE(1300000, 0, 10, 10000), 339 + REGULATOR_LINEAR_RANGE(1400000, 0, 10, 10000), 340 + REGULATOR_LINEAR_RANGE(1500000, 0, 10, 10000), 341 + REGULATOR_LINEAR_RANGE(1600000, 0, 10, 10000), 342 + REGULATOR_LINEAR_RANGE(1700000, 0, 10, 10000), 343 + REGULATOR_LINEAR_RANGE(1800000, 0, 10, 10000), 344 + REGULATOR_LINEAR_RANGE(1900000, 0, 10, 10000), 345 + REGULATOR_LINEAR_RANGE(2000000, 0, 10, 10000), 346 + REGULATOR_LINEAR_RANGE(2100000, 0, 10, 10000), 347 + }; 348 + 328 349 static unsigned int mt6358_map_mode(unsigned int mode) 329 350 { 330 351 return mode == MT6397_BUCK_MODE_AUTO ? ··· 568 547 MT6358_LDO_VRF12_CON0, 0, 1200000), 569 548 MT6366_REG_FIXED("vio18", VIO18, 570 549 MT6358_LDO_VIO18_CON0, 0, 1800000), 571 - MT6366_REG_FIXED("vcn18", VCN18, MT6358_LDO_VCN18_CON0, 0, 1800000), 572 550 MT6366_REG_FIXED("vfe28", VFE28, MT6358_LDO_VFE28_CON0, 0, 2800000), 573 551 MT6366_REG_FIXED("vcn28", VCN28, MT6358_LDO_VCN28_CON0, 0, 2800000), 574 552 MT6366_REG_FIXED("vxo22", VXO22, MT6358_LDO_VXO22_CON0, 0, 2200000), ··· 600 580 MT6358_LDO_VMC_CON0, 0, MT6358_VMC_ANA_CON0, 0xf00), 601 581 MT6366_LDO("vsim2", VSIM2, vsim, 602 582 MT6358_LDO_VSIM2_CON0, 0, MT6358_VSIM2_ANA_CON0, 0xf00), 583 + MT6366_LDO("vcn18", VCN18, mt6366_vcn18_vm18, 584 + MT6358_LDO_VCN18_CON0, 0, MT6358_VCN18_ANA_CON0, 0xf00), 603 585 MT6366_LDO1("vsram-proc11", VSRAM_PROC11, 500000, 1293750, 6250, 604 586 MT6358_LDO_VSRAM_PROC11_DBG0, 0x7f00, MT6358_LDO_VSRAM_CON0, 0x7f), 605 587 MT6366_LDO1("vsram-others", VSRAM_OTHERS, 500000, 1293750, 6250,