--- /dev/null
+/*
+ * Renesas R8A77990 CPG MSSR driver
+ *
+ * Copyright (C) 2017-2018 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on the following driver from Linux kernel:
+ * r8a7796 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2016 Glider bvba
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+
+#include <dt-bindings/clock/r8a77990-cpg-mssr.h>
+
+#include "renesas-cpg-mssr.h"
+#include "rcar-gen3-cpg.h"
+
+enum clk_ids {
+ /* Core Clock Outputs exported to DT */
+ LAST_DT_CORE_CLK = R8A77990_CLK_CPEX,
+
+ /* External Input Clocks */
+ CLK_EXTAL,
+
+ /* Internal Core Clocks */
+ CLK_MAIN,
+ CLK_PLL0,
+ CLK_PLL1,
+ CLK_PLL3,
+ CLK_PLL0D4,
+ CLK_PLL0D6,
+ CLK_PLL0D8,
+ CLK_PLL0D20,
+ CLK_PLL0D24,
+ CLK_PLL1D2,
+ CLK_PE,
+ CLK_S0,
+ CLK_S1,
+ CLK_S2,
+ CLK_S3,
+ CLK_SDSRC,
+
+ /* Module Clocks */
+ MOD_CLK_BASE
+};
+
+static const struct cpg_core_clk r8a77990_core_clks[] = {
+ /* External Clock Inputs */
+ DEF_INPUT("extal", CLK_EXTAL),
+
+ /* Internal Core Clocks */
+ DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
+ DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
+ DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
+
+ DEF_FIXED(".pll0", CLK_PLL0, CLK_MAIN, 1, 100),
+ DEF_FIXED(".pll0d4", CLK_PLL0D4, CLK_PLL0, 4, 1),
+ DEF_FIXED(".pll0d6", CLK_PLL0D6, CLK_PLL0, 6, 1),
+ DEF_FIXED(".pll0d8", CLK_PLL0D8, CLK_PLL0, 8, 1),
+ DEF_FIXED(".pll0d20", CLK_PLL0D20, CLK_PLL0, 20, 1),
+ DEF_FIXED(".pll0d24", CLK_PLL0D24, CLK_PLL0, 24, 1),
+ DEF_FIXED(".pll1d2", CLK_PLL1D2, CLK_PLL1, 2, 1),
+ DEF_FIXED(".pe", CLK_PE, CLK_PLL0D20, 1, 1),
+ DEF_FIXED(".s0", CLK_S0, CLK_PLL1, 2, 1),
+ DEF_FIXED(".s1", CLK_S1, CLK_PLL1, 3, 1),
+ DEF_FIXED(".s2", CLK_S2, CLK_PLL1, 4, 1),
+ DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1),
+ DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1),
+
+ /* Core Clock Outputs */
+ DEF_FIXED("za2", R8A77990_CLK_ZA2, CLK_PLL0D24, 1, 1),
+ DEF_FIXED("za8", R8A77990_CLK_ZA8, CLK_PLL0D8, 1, 1),
+ DEF_FIXED("ztr", R8A77990_CLK_ZTR, CLK_PLL1, 6, 1),
+ DEF_FIXED("zt", R8A77990_CLK_ZT, CLK_PLL1, 4, 1),
+ DEF_FIXED("zx", R8A77990_CLK_ZX, CLK_PLL1, 3, 1),
+ DEF_FIXED("s0d1", R8A77990_CLK_S0D1, CLK_S0, 1, 1),
+ DEF_FIXED("s0d3", R8A77990_CLK_S0D3, CLK_S0, 3, 1),
+ DEF_FIXED("s0d6", R8A77990_CLK_S0D6, CLK_S0, 6, 1),
+ DEF_FIXED("s0d12", R8A77990_CLK_S0D12, CLK_S0, 12, 1),
+ DEF_FIXED("s0d24", R8A77990_CLK_S0D24, CLK_S0, 24, 1),
+ DEF_FIXED("s1d1", R8A77990_CLK_S1D1, CLK_S1, 1, 1),
+ DEF_FIXED("s1d2", R8A77990_CLK_S1D2, CLK_S1, 2, 1),
+ DEF_FIXED("s1d4", R8A77990_CLK_S1D4, CLK_S1, 4, 1),
+ DEF_FIXED("s2d1", R8A77990_CLK_S2D1, CLK_S2, 1, 1),
+ DEF_FIXED("s2d2", R8A77990_CLK_S2D2, CLK_S2, 2, 1),
+ DEF_FIXED("s2d4", R8A77990_CLK_S2D4, CLK_S2, 4, 1),
+ DEF_FIXED("s3d1", R8A77990_CLK_S3D1, CLK_S3, 1, 1),
+ DEF_FIXED("s3d2", R8A77990_CLK_S3D2, CLK_S3, 2, 1),
+ DEF_FIXED("s3d4", R8A77990_CLK_S3D4, CLK_S3, 4, 1),
+
+ DEF_GEN3_SD("sd0", R8A77990_CLK_SD0, CLK_SDSRC, 0x0074),
+ DEF_GEN3_SD("sd1", R8A77990_CLK_SD1, CLK_SDSRC, 0x0078),
+ DEF_GEN3_SD("sd3", R8A77990_CLK_SD3, CLK_SDSRC, 0x026c),
+
+ DEF_FIXED("cl", R8A77990_CLK_CL, CLK_PLL1, 48, 1),
+ DEF_FIXED("cp", R8A77990_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A77990_CLK_CPEX, CLK_EXTAL, 4, 1),
+ DEF_FIXED("osc", R8A77990_CLK_OSC, CLK_EXTAL, 384, 1),
+ DEF_FIXED("r", R8A77990_CLK_R, CLK_EXTAL, 1536, 1),
+
+ DEF_GEN3_PE("s0d6c", R8A77990_CLK_S0D6C, CLK_S0, 6, CLK_PE, 6),
+ DEF_GEN3_PE("s3d1c", R8A77990_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1),
+ DEF_GEN3_PE("s3d2c", R8A77990_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2),
+ DEF_GEN3_PE("s3d4c", R8A77990_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4),
+
+ DEF_DIV6P1("canfd", R8A77990_CLK_CANFD, CLK_PLL0D6, 0x244),
+ DEF_DIV6P1("csi0", R8A77990_CLK_CSI0, CLK_PLL1D2, 0x00c),
+ DEF_DIV6P1("mso", R8A77990_CLK_MSO, CLK_PLL1D2, 0x014),
+};
+
+static const struct mssr_mod_clk r8a77990_mod_clks[] = {
+ DEF_MOD("scif5", 202, R8A77990_CLK_S3D4C),
+ DEF_MOD("scif4", 203, R8A77990_CLK_S3D4C),
+ DEF_MOD("scif3", 204, R8A77990_CLK_S3D4C),
+ DEF_MOD("scif1", 206, R8A77990_CLK_S3D4C),
+ DEF_MOD("scif0", 207, R8A77990_CLK_S3D4C),
+ DEF_MOD("msiof3", 208, R8A77990_CLK_MSO),
+ DEF_MOD("msiof2", 209, R8A77990_CLK_MSO),
+ DEF_MOD("msiof1", 210, R8A77990_CLK_MSO),
+ DEF_MOD("msiof0", 211, R8A77990_CLK_MSO),
+ DEF_MOD("sys-dmac2", 217, R8A77990_CLK_S3D1),
+ DEF_MOD("sys-dmac1", 218, R8A77990_CLK_S3D1),
+ DEF_MOD("sys-dmac0", 219, R8A77990_CLK_S3D1),
+
+ DEF_MOD("cmt3", 300, R8A77990_CLK_R),
+ DEF_MOD("cmt2", 301, R8A77990_CLK_R),
+ DEF_MOD("cmt1", 302, R8A77990_CLK_R),
+ DEF_MOD("cmt0", 303, R8A77990_CLK_R),
+ DEF_MOD("scif2", 310, R8A77990_CLK_S3D4C),
+ DEF_MOD("sdif3", 311, R8A77990_CLK_SD3),
+ DEF_MOD("sdif1", 313, R8A77990_CLK_SD1),
+ DEF_MOD("sdif0", 314, R8A77990_CLK_SD0),
+ DEF_MOD("pcie0", 319, R8A77990_CLK_S3D1),
+ DEF_MOD("usb3-if0", 328, R8A77990_CLK_S3D1),
+ DEF_MOD("usb-dmac0", 330, R8A77990_CLK_S3D1),
+ DEF_MOD("usb-dmac1", 331, R8A77990_CLK_S3D1),
+
+ DEF_MOD("rwdt", 402, R8A77990_CLK_R),
+ DEF_MOD("intc-ex", 407, R8A77990_CLK_CP),
+ DEF_MOD("intc-ap", 408, R8A77990_CLK_S0D3),
+
+ DEF_MOD("audmac0", 502, R8A77990_CLK_S3D4),
+ DEF_MOD("drif7", 508, R8A77990_CLK_S3D2),
+ DEF_MOD("drif6", 509, R8A77990_CLK_S3D2),
+ DEF_MOD("drif5", 510, R8A77990_CLK_S3D2),
+ DEF_MOD("drif4", 511, R8A77990_CLK_S3D2),
+ DEF_MOD("drif3", 512, R8A77990_CLK_S3D2),
+ DEF_MOD("drif2", 513, R8A77990_CLK_S3D2),
+ DEF_MOD("drif1", 514, R8A77990_CLK_S3D2),
+ DEF_MOD("drif0", 515, R8A77990_CLK_S3D2),
+ DEF_MOD("hscif4", 516, R8A77990_CLK_S3D1C),
+ DEF_MOD("hscif3", 517, R8A77990_CLK_S3D1C),
+ DEF_MOD("hscif2", 518, R8A77990_CLK_S3D1C),
+ DEF_MOD("hscif1", 519, R8A77990_CLK_S3D1C),
+ DEF_MOD("hscif0", 520, R8A77990_CLK_S3D1C),
+ DEF_MOD("thermal", 522, R8A77990_CLK_CP),
+ DEF_MOD("pwm", 523, R8A77990_CLK_S3D4C),
+
+ DEF_MOD("fcpvd1", 602, R8A77990_CLK_S1D2),
+ DEF_MOD("fcpvd0", 603, R8A77990_CLK_S1D2),
+ DEF_MOD("fcpvb0", 607, R8A77990_CLK_S0D1),
+ DEF_MOD("fcpvi0", 611, R8A77990_CLK_S0D1),
+ DEF_MOD("fcpf0", 615, R8A77990_CLK_S0D1),
+ DEF_MOD("fcpcs", 619, R8A77990_CLK_S0D1),
+ DEF_MOD("vspd1", 622, R8A77990_CLK_S1D2),
+ DEF_MOD("vspd0", 623, R8A77990_CLK_S1D2),
+ DEF_MOD("vspb", 626, R8A77990_CLK_S0D1),
+ DEF_MOD("vspi0", 631, R8A77990_CLK_S0D1),
+
+ DEF_MOD("ehci0", 703, R8A77990_CLK_S3D4),
+ DEF_MOD("hsusb", 704, R8A77990_CLK_S3D4),
+ DEF_MOD("csi40", 716, R8A77990_CLK_CSI0),
+ DEF_MOD("du1", 723, R8A77990_CLK_S2D1),
+ DEF_MOD("du0", 724, R8A77990_CLK_S2D1),
+ DEF_MOD("lvds", 727, R8A77990_CLK_S2D1),
+
+ DEF_MOD("vin7", 804, R8A77990_CLK_S1D2),
+ DEF_MOD("vin6", 805, R8A77990_CLK_S1D2),
+ DEF_MOD("vin5", 806, R8A77990_CLK_S1D2),
+ DEF_MOD("vin4", 807, R8A77990_CLK_S1D2),
+ DEF_MOD("etheravb", 812, R8A77990_CLK_S3D2),
+
+ DEF_MOD("gpio6", 906, R8A77990_CLK_S3D4),
+ DEF_MOD("gpio5", 907, R8A77990_CLK_S3D4),
+ DEF_MOD("gpio4", 908, R8A77990_CLK_S3D4),
+ DEF_MOD("gpio3", 909, R8A77990_CLK_S3D4),
+ DEF_MOD("gpio2", 910, R8A77990_CLK_S3D4),
+ DEF_MOD("gpio1", 911, R8A77990_CLK_S3D4),
+ DEF_MOD("gpio0", 912, R8A77990_CLK_S3D4),
+ DEF_MOD("can-fd", 914, R8A77990_CLK_S3D2),
+ DEF_MOD("can-if1", 915, R8A77990_CLK_S3D4),
+ DEF_MOD("can-if0", 916, R8A77990_CLK_S3D4),
+ DEF_MOD("i2c6", 918, R8A77990_CLK_S3D2),
+ DEF_MOD("i2c5", 919, R8A77990_CLK_S3D2),
+ DEF_MOD("i2c-dvfs", 926, R8A77990_CLK_CP),
+ DEF_MOD("i2c4", 927, R8A77990_CLK_S3D2),
+ DEF_MOD("i2c3", 928, R8A77990_CLK_S3D2),
+ DEF_MOD("i2c2", 929, R8A77990_CLK_S3D2),
+ DEF_MOD("i2c1", 930, R8A77990_CLK_S3D2),
+ DEF_MOD("i2c0", 931, R8A77990_CLK_S3D2),
+
+ DEF_MOD("ssi-all", 1005, R8A77990_CLK_S3D4),
+ DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),
+ DEF_MOD("scu-all", 1017, R8A77990_CLK_S3D4),
+ DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
+};
+
+/*
+ * CPG Clock Data
+ */
+
+/*
+ * MD19 EXTAL (MHz) PLL0 PLL1 PLL3
+ *--------------------------------------------------------------------
+ * 0 48 x 1 x100/4 x100/3 x100/3
+ * 1 48 x 1 x100/4 x100/3 x58/3
+ */
+#define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19)
+
+static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] = {
+ /* EXTAL div PLL1 mult/div PLL3 mult/div */
+ { 1, 100, 3, 100, 3, },
+ { 1, 100, 3, 58, 3, },
+};
+
+static const struct mstp_stop_table r8a77990_mstp_table[] = {
+ { 0x00200000, 0x0, 0x00200000, 0 },
+ { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 },
+ { 0x340E2FDC, 0x2040, 0x340E2FDC, 0 },
+ { 0xFFFFFFDF, 0x400, 0xFFFFFFDF, 0 },
+ { 0x80000184, 0x180, 0x80000184, 0 },
+ { 0xC3FFFFFF, 0x0, 0xC3FFFFFF, 0 },
+ { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 },
+ { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 },
+ { 0x01F1FFF7, 0x0, 0x01F1FFF7, 0 },
+ { 0xFFFFFFFE, 0x0, 0xFFFFFFFE, 0 },
+ { 0xFFFEFFE0, 0x0, 0xFFFEFFE0, 0 },
+ { 0x000000B7, 0x0, 0x000000B7, 0 },
+};
+
+static const void *r8a77990_get_pll_config(const u32 cpg_mode)
+{
+ return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+}
+
+static const struct cpg_mssr_info r8a77990_cpg_mssr_info = {
+ .core_clk = r8a77990_core_clks,
+ .core_clk_size = ARRAY_SIZE(r8a77990_core_clks),
+ .mod_clk = r8a77990_mod_clks,
+ .mod_clk_size = ARRAY_SIZE(r8a77990_mod_clks),
+ .mstp_table = r8a77990_mstp_table,
+ .mstp_table_size = ARRAY_SIZE(r8a77990_mstp_table),
+ .reset_node = "renesas,r8a77990-rst",
+ .mod_clk_base = MOD_CLK_BASE,
+ .clk_extal_id = CLK_EXTAL,
+ .clk_extalr_id = ~0,
+ .get_pll_config = r8a77990_get_pll_config,
+};
+
+static const struct udevice_id r8a77990_clk_ids[] = {
+ {
+ .compatible = "renesas,r8a77990-cpg-mssr",
+ .data = (ulong)&r8a77990_cpg_mssr_info
+ },
+ { }
+};
+
+U_BOOT_DRIVER(clk_r8a77990) = {
+ .name = "clk_r8a77990",
+ .id = UCLASS_CLK,
+ .of_match = r8a77990_clk_ids,
+ .priv_auto_alloc_size = sizeof(struct gen3_clk_priv),
+ .ops = &gen3_clk_ops,
+ .probe = gen3_clk_probe,
+ .remove = gen3_clk_remove,
+};
projects / oweals / u-boot.git / commitdiff