--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * r8a77980 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ * Copyright (C) 2018 Cogent Embedded, Inc.
+ *
+ * Based on r8a7795-cpg-mssr.c
+ *
+ * Copyright (C) 2015 Glider bvba
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+
+#include <dt-bindings/clock/r8a77980-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 = R8A77980_CLK_OSC,
+
+ /* External Input Clocks */
+ CLK_EXTAL,
+ CLK_EXTALR,
+
+ /* Internal Core Clocks */
+ CLK_MAIN,
+ CLK_PLL1,
+ CLK_PLL2,
+ CLK_PLL3,
+ CLK_PLL1_DIV2,
+ CLK_PLL1_DIV4,
+ CLK_S0,
+ CLK_S1,
+ CLK_S2,
+ CLK_S3,
+ CLK_SDSRC,
+ CLK_RPCSRC,
+ CLK_OCO,
+
+ /* Module Clocks */
+ MOD_CLK_BASE
+};
+
+static const struct cpg_core_clk r8a77980_core_clks[] = {
+ /* External Clock Inputs */
+ DEF_INPUT("extal", CLK_EXTAL),
+ DEF_INPUT("extalr", CLK_EXTALR),
+
+ /* 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(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN),
+ DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
+
+ DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
+ DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1),
+ DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1),
+ DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1),
+ DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1),
+ DEF_BASE(".rpcsrc", CLK_RPCSRC, CLK_TYPE_GEN3_RPCSRC, CLK_PLL1),
+ DEF_RATE(".oco", CLK_OCO, 32768),
+
+ DEF_BASE("rpc", R8A77980_CLK_RPC, CLK_TYPE_GEN3_RPC,
+ CLK_RPCSRC),
+ DEF_BASE("rpcd2", R8A77980_CLK_RPCD2, CLK_TYPE_GEN3_RPCD2,
+ R8A77980_CLK_RPC),
+
+ /* Core Clock Outputs */
+ DEF_FIXED("ztr", R8A77980_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
+ DEF_FIXED("ztrd2", R8A77980_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
+ DEF_FIXED("zt", R8A77980_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
+ DEF_FIXED("zx", R8A77980_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED("s0d1", R8A77980_CLK_S0D1, CLK_S0, 1, 1),
+ DEF_FIXED("s0d2", R8A77980_CLK_S0D2, CLK_S0, 2, 1),
+ DEF_FIXED("s0d3", R8A77980_CLK_S0D3, CLK_S0, 3, 1),
+ DEF_FIXED("s0d4", R8A77980_CLK_S0D4, CLK_S0, 4, 1),
+ DEF_FIXED("s0d6", R8A77980_CLK_S0D6, CLK_S0, 6, 1),
+ DEF_FIXED("s0d12", R8A77980_CLK_S0D12, CLK_S0, 12, 1),
+ DEF_FIXED("s0d24", R8A77980_CLK_S0D24, CLK_S0, 24, 1),
+ DEF_FIXED("s1d1", R8A77980_CLK_S1D1, CLK_S1, 1, 1),
+ DEF_FIXED("s1d2", R8A77980_CLK_S1D2, CLK_S1, 2, 1),
+ DEF_FIXED("s1d4", R8A77980_CLK_S1D4, CLK_S1, 4, 1),
+ DEF_FIXED("s2d1", R8A77980_CLK_S2D1, CLK_S2, 1, 1),
+ DEF_FIXED("s2d2", R8A77980_CLK_S2D2, CLK_S2, 2, 1),
+ DEF_FIXED("s2d4", R8A77980_CLK_S2D4, CLK_S2, 4, 1),
+ DEF_FIXED("s3d1", R8A77980_CLK_S3D1, CLK_S3, 1, 1),
+ DEF_FIXED("s3d2", R8A77980_CLK_S3D2, CLK_S3, 2, 1),
+ DEF_FIXED("s3d4", R8A77980_CLK_S3D4, CLK_S3, 4, 1),
+
+ DEF_GEN3_SD("sd0", R8A77980_CLK_SD0, CLK_SDSRC, 0x0074),
+
+ DEF_FIXED("cl", R8A77980_CLK_CL, CLK_PLL1_DIV2, 48, 1),
+ DEF_FIXED("cp", R8A77980_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A77980_CLK_CPEX, CLK_EXTAL, 2, 1),
+
+ DEF_DIV6P1("canfd", R8A77980_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
+ DEF_DIV6P1("csi0", R8A77980_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
+ DEF_DIV6P1("mso", R8A77980_CLK_MSO, CLK_PLL1_DIV4, 0x014),
+
+ DEF_GEN3_OSC("osc", R8A77980_CLK_OSC, CLK_EXTAL, 8),
+ DEF_GEN3_MDSEL("r", R8A77980_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1),
+};
+
+static const struct mssr_mod_clk r8a77980_mod_clks[] = {
+ DEF_MOD("tmu4", 121, R8A77980_CLK_S0D6),
+ DEF_MOD("tmu3", 122, R8A77980_CLK_S0D6),
+ DEF_MOD("tmu2", 123, R8A77980_CLK_S0D6),
+ DEF_MOD("tmu1", 124, R8A77980_CLK_S0D6),
+ DEF_MOD("tmu0", 125, R8A77980_CLK_CP),
+ DEF_MOD("scif4", 203, R8A77980_CLK_S3D4),
+ DEF_MOD("scif3", 204, R8A77980_CLK_S3D4),
+ DEF_MOD("scif1", 206, R8A77980_CLK_S3D4),
+ DEF_MOD("scif0", 207, R8A77980_CLK_S3D4),
+ DEF_MOD("msiof3", 208, R8A77980_CLK_MSO),
+ DEF_MOD("msiof2", 209, R8A77980_CLK_MSO),
+ DEF_MOD("msiof1", 210, R8A77980_CLK_MSO),
+ DEF_MOD("msiof0", 211, R8A77980_CLK_MSO),
+ DEF_MOD("sys-dmac2", 217, R8A77980_CLK_S0D3),
+ DEF_MOD("sys-dmac1", 218, R8A77980_CLK_S0D3),
+ DEF_MOD("cmt3", 300, R8A77980_CLK_R),
+ DEF_MOD("cmt2", 301, R8A77980_CLK_R),
+ DEF_MOD("cmt1", 302, R8A77980_CLK_R),
+ DEF_MOD("cmt0", 303, R8A77980_CLK_R),
+ DEF_MOD("tpu0", 304, R8A77980_CLK_S3D4),
+ DEF_MOD("sdif", 314, R8A77980_CLK_SD0),
+ DEF_MOD("pciec0", 319, R8A77980_CLK_S2D2),
+ DEF_MOD("rwdt", 402, R8A77980_CLK_R),
+ DEF_MOD("intc-ex", 407, R8A77980_CLK_CP),
+ DEF_MOD("intc-ap", 408, R8A77980_CLK_S0D3),
+ DEF_MOD("hscif3", 517, R8A77980_CLK_S3D1),
+ DEF_MOD("hscif2", 518, R8A77980_CLK_S3D1),
+ DEF_MOD("hscif1", 519, R8A77980_CLK_S3D1),
+ DEF_MOD("hscif0", 520, R8A77980_CLK_S3D1),
+ DEF_MOD("imp4", 521, R8A77980_CLK_S1D1),
+ DEF_MOD("thermal", 522, R8A77980_CLK_CP),
+ DEF_MOD("pwm", 523, R8A77980_CLK_S0D12),
+ DEF_MOD("impdma1", 526, R8A77980_CLK_S1D1),
+ DEF_MOD("impdma0", 527, R8A77980_CLK_S1D1),
+ DEF_MOD("imp-ocv4", 528, R8A77980_CLK_S1D1),
+ DEF_MOD("imp-ocv3", 529, R8A77980_CLK_S1D1),
+ DEF_MOD("imp-ocv2", 531, R8A77980_CLK_S1D1),
+ DEF_MOD("fcpvd0", 603, R8A77980_CLK_S3D1),
+ DEF_MOD("vspd0", 623, R8A77980_CLK_S3D1),
+ DEF_MOD("csi41", 715, R8A77980_CLK_CSI0),
+ DEF_MOD("csi40", 716, R8A77980_CLK_CSI0),
+ DEF_MOD("du0", 724, R8A77980_CLK_S2D1),
+ DEF_MOD("lvds", 727, R8A77980_CLK_S2D1),
+ DEF_MOD("etheravb", 812, R8A77980_CLK_S3D2),
+ DEF_MOD("gether", 813, R8A77980_CLK_S3D2),
+ DEF_MOD("imp3", 824, R8A77980_CLK_S1D1),
+ DEF_MOD("imp2", 825, R8A77980_CLK_S1D1),
+ DEF_MOD("imp1", 826, R8A77980_CLK_S1D1),
+ DEF_MOD("imp0", 827, R8A77980_CLK_S1D1),
+ DEF_MOD("imp-ocv1", 828, R8A77980_CLK_S1D1),
+ DEF_MOD("imp-ocv0", 829, R8A77980_CLK_S1D1),
+ DEF_MOD("impram", 830, R8A77980_CLK_S1D1),
+ DEF_MOD("impcnn", 831, R8A77980_CLK_S1D1),
+ DEF_MOD("gpio5", 907, R8A77980_CLK_CP),
+ DEF_MOD("gpio4", 908, R8A77980_CLK_CP),
+ DEF_MOD("gpio3", 909, R8A77980_CLK_CP),
+ DEF_MOD("gpio2", 910, R8A77980_CLK_CP),
+ DEF_MOD("gpio1", 911, R8A77980_CLK_CP),
+ DEF_MOD("gpio0", 912, R8A77980_CLK_CP),
+ DEF_MOD("can-fd", 914, R8A77980_CLK_S3D2),
+ DEF_MOD("rpc-if", 917, R8A77980_CLK_RPCD2),
+ DEF_MOD("i2c4", 927, R8A77980_CLK_S0D6),
+ DEF_MOD("i2c3", 928, R8A77980_CLK_S0D6),
+ DEF_MOD("i2c2", 929, R8A77980_CLK_S3D2),
+ DEF_MOD("i2c1", 930, R8A77980_CLK_S3D2),
+ DEF_MOD("i2c0", 931, R8A77980_CLK_S3D2),
+};
+
+/*
+ * CPG Clock Data
+ */
+
+/*
+ * MD EXTAL PLL2 PLL1 PLL3 OSC
+ * 14 13 (MHz)
+ * --------------------------------------------------------
+ * 0 0 16.66 x 1 x240 x192 x192 /16
+ * 0 1 20 x 1 x200 x160 x160 /19
+ * 1 0 27 x 1 x148 x118 x118 /26
+ * 1 1 33.33 / 2 x240 x192 x192 /32
+ */
+#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \
+ (((md) & BIT(13)) >> 13))
+
+static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[4] = {
+ /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */
+ { 1, 192, 1, 192, 1, 16, },
+ { 1, 160, 1, 160, 1, 19, },
+ { 1, 118, 1, 118, 1, 26, },
+ { 2, 192, 1, 192, 1, 32, },
+};
+
+static const struct mstp_stop_table r8a77980_mstp_table[] = {
+ { 0x00230000, 0x0, 0x00230000, 0 },
+ { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 },
+ { 0x14062FD8, 0x2040, 0x14062FD8, 0 },
+ { 0xFFFFFFDF, 0x400, 0xFFFFFFDF, 0 },
+ { 0x80000184, 0x180, 0x80000184, 0 },
+ { 0x83FFFFFF, 0x0, 0x83FFFFFF, 0 },
+ { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 },
+ { 0xFFFFFFFF, 0x0, 0xFFFFFFFF, 0 },
+ { 0x7FF3FFF4, 0x0, 0x7FF3FFF4, 0 },
+ { 0xFBF7FF97, 0x0, 0xFBF7FF97, 0 },
+ { 0xFFFEFFE0, 0x0, 0xFFFEFFE0, 0 },
+ { 0x000000B7, 0x0, 0x000000B7, 0 },
+};
+
+static const void *r8a77980_get_pll_config(const u32 cpg_mode)
+{
+ return &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+}
+
+static const struct cpg_mssr_info r8a77980_cpg_mssr_info = {
+ .core_clk = r8a77980_core_clks,
+ .core_clk_size = ARRAY_SIZE(r8a77980_core_clks),
+ .mod_clk = r8a77980_mod_clks,
+ .mod_clk_size = ARRAY_SIZE(r8a77980_mod_clks),
+ .mstp_table = r8a77980_mstp_table,
+ .mstp_table_size = ARRAY_SIZE(r8a77980_mstp_table),
+ .reset_node = "renesas,r8a77980-rst",
+ .extalr_node = "extalr",
+ .mod_clk_base = MOD_CLK_BASE,
+ .clk_extal_id = CLK_EXTAL,
+ .clk_extalr_id = CLK_EXTALR,
+ .get_pll_config = r8a77980_get_pll_config,
+};
+
+static const struct udevice_id r8a77980_clk_ids[] = {
+ {
+ .compatible = "renesas,r8a77980-cpg-mssr",
+ .data = (ulong)&r8a77980_cpg_mssr_info
+ },
+ { }
+};
+
+U_BOOT_DRIVER(clk_r8a77980) = {
+ .name = "clk_r8a77980",
+ .id = UCLASS_CLK,
+ .of_match = r8a77980_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