From patchwork Tue May 3 11:55:55 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Phil Edworthy X-Patchwork-Id: 12835698 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18ED3C433EF for ; Tue, 3 May 2022 12:02:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234527AbiECMGW (ORCPT ); Tue, 3 May 2022 08:06:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235104AbiECMGJ (ORCPT ); Tue, 3 May 2022 08:06:09 -0400 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2BDAC32EEF; Tue, 3 May 2022 05:02:25 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.91,195,1647270000"; d="scan'208";a="118643201" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 03 May 2022 21:02:24 +0900 Received: from localhost.localdomain (unknown [10.226.92.6]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 52D614226AFC; Tue, 3 May 2022 21:02:22 +0900 (JST) From: Phil Edworthy To: Geert Uytterhoeven , Michael Turquette , Stephen Boyd Cc: Phil Edworthy , linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, Biju Das Subject: [PATCH v3 10/12] clk: renesas: Add RZ/V2M support using the rzg2l driver Date: Tue, 3 May 2022 12:55:55 +0100 Message-Id: <20220503115557.53370-11-phil.edworthy@renesas.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220503115557.53370-1-phil.edworthy@renesas.com> References: <20220503115557.53370-1-phil.edworthy@renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org The Renesas RZ/V2M SoC is very similar to RZ/G2L, though it doesn't have any CLK_MON registers. Signed-off-by: Phil Edworthy Reviewed-by: Biju Das Reviewed-by: Geert Uytterhoeven --- v3: - Replace DEF_MUX2 with DEF_MUX - Add URT_PCLK, it depends on CLK_SEL_E --- drivers/clk/renesas/Kconfig | 5 + drivers/clk/renesas/Makefile | 1 + drivers/clk/renesas/r9a09g011-cpg.c | 168 ++++++++++++++++++++++++++++ drivers/clk/renesas/rzg2l-cpg.c | 6 + drivers/clk/renesas/rzg2l-cpg.h | 1 + 5 files changed, 181 insertions(+) create mode 100644 drivers/clk/renesas/r9a09g011-cpg.c diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index 7e9b9a5bb5b7..cacaf9b87d26 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -37,6 +37,7 @@ config CLK_RENESAS select CLK_R9A07G043 if ARCH_R9A07G043 select CLK_R9A07G044 if ARCH_R9A07G044 select CLK_R9A07G054 if ARCH_R9A07G054 + select CLK_R9A09G011 if ARCH_R9A09G011 select CLK_SH73A0 if ARCH_SH73A0 if CLK_RENESAS @@ -178,6 +179,10 @@ config CLK_R9A07G054 bool "RZ/V2L clock support" if COMPILE_TEST select CLK_RZG2L +config CLK_R9A09G011 + bool "RZ/V2M clock support" if COMPILE_TEST + select CLK_RZG2L + config CLK_SH73A0 bool "SH-Mobile AG5 clock support" if COMPILE_TEST select CLK_RENESAS_CPG_MSTP diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile index b83062af090c..de907623fe3f 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -34,6 +34,7 @@ obj-$(CONFIG_CLK_R9A06G032) += r9a06g032-clocks.o obj-$(CONFIG_CLK_R9A07G043) += r9a07g043-cpg.o obj-$(CONFIG_CLK_R9A07G044) += r9a07g044-cpg.o obj-$(CONFIG_CLK_R9A07G054) += r9a07g044-cpg.o +obj-$(CONFIG_CLK_R9A09G011) += r9a09g011-cpg.o obj-$(CONFIG_CLK_SH73A0) += clk-sh73a0.o # Family diff --git a/drivers/clk/renesas/r9a09g011-cpg.c b/drivers/clk/renesas/r9a09g011-cpg.c new file mode 100644 index 000000000000..7f16a617dc8c --- /dev/null +++ b/drivers/clk/renesas/r9a09g011-cpg.c @@ -0,0 +1,168 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/V2M Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2022 Renesas Electronics Corp. + * + * Based on r9a07g044-cpg.c + */ + +#include +#include +#include +#include + +#include + +#include "rzg2l-cpg.h" + +#define RZV2M_SAMPLL4_CLK1 0x104 +#define RZV2M_SAMPLL4_CLK2 0x108 + +#define PLL4_CONF (RZV2M_SAMPLL4_CLK1 << 22 | RZV2M_SAMPLL4_CLK2 << 12) + +#define DIV_A DDIV_PACK(0x200, 0, 3) +#define DIV_B DDIV_PACK(0x204, 0, 2) +#define DIV_E DDIV_PACK(0x204, 8, 1) +#define DIV_W DDIV_PACK(0x328, 0, 3) + +#define SEL_B SEL_PLL_PACK(0x214, 0, 1) +#define SEL_E SEL_PLL_PACK(0x214, 2, 1) +#define SEL_W0 SEL_PLL_PACK(0x32C, 0, 1) + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = 0, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_MAIN_24, + CLK_MAIN_2, + CLK_PLL1, + CLK_PLL2, + CLK_PLL2_800, + CLK_PLL2_400, + CLK_PLL2_200, + CLK_PLL2_100, + CLK_PLL4, + CLK_DIV_A, + CLK_DIV_B, + CLK_DIV_E, + CLK_DIV_W, + CLK_SEL_B, + CLK_SEL_B_D2, + CLK_SEL_E, + CLK_SEL_W0, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +/* Divider tables */ +static const struct clk_div_table dtable_diva[] = { + {0, 1}, + {1, 2}, + {2, 3}, + {3, 4}, + {4, 6}, + {5, 12}, + {6, 24}, + {0, 0}, +}; + +static const struct clk_div_table dtable_divb[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {0, 0}, +}; + +static const struct clk_div_table dtable_divw[] = { + {0, 6}, + {1, 7}, + {2, 8}, + {3, 9}, + {4, 10}, + {5, 11}, + {6, 12}, + {0, 0}, +}; + +/* Mux clock tables */ +static const char * const sel_b[] = { ".main", ".divb" }; +static const char * const sel_e[] = { ".main", ".dive" }; +static const char * const sel_w[] = { ".main", ".divw" }; + +static const struct cpg_core_clk r9a09g011_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_FIXED(".main", CLK_MAIN, CLK_EXTAL, 1, 1), + DEF_FIXED(".main_24", CLK_MAIN_24, CLK_MAIN, 1, 2), + DEF_FIXED(".main_2", CLK_MAIN_2, CLK_MAIN, 1, 24), + DEF_FIXED(".pll1", CLK_PLL1, CLK_MAIN_2, 498, 1), + DEF_FIXED(".pll2", CLK_PLL2, CLK_MAIN_2, 800, 1), + DEF_FIXED(".pll2_800", CLK_PLL2_800, CLK_PLL2, 1, 2), + DEF_FIXED(".pll2_400", CLK_PLL2_400, CLK_PLL2_800, 1, 2), + DEF_FIXED(".pll2_200", CLK_PLL2_200, CLK_PLL2_800, 1, 4), + DEF_FIXED(".pll2_100", CLK_PLL2_100, CLK_PLL2_800, 1, 8), + DEF_SAMPLL(".pll4", CLK_PLL4, CLK_MAIN_2, PLL4_CONF), + + DEF_DIV_RO(".diva", CLK_DIV_A, CLK_PLL1, DIV_A, dtable_diva), + DEF_DIV_RO(".divb", CLK_DIV_B, CLK_PLL2_400, DIV_B, dtable_divb), + DEF_DIV_RO(".dive", CLK_DIV_E, CLK_PLL2_100, DIV_E, 0), + DEF_DIV_RO(".divw", CLK_DIV_W, CLK_PLL4, DIV_W, dtable_divw), + + DEF_MUX_RO(".selb", CLK_SEL_B, SEL_B, sel_b), + DEF_MUX_RO(".sele", CLK_SEL_E, SEL_E, sel_e), + DEF_MUX(".selw0", CLK_SEL_W0, SEL_W0, sel_w), + + DEF_FIXED(".selb_d2", CLK_SEL_B_D2, CLK_SEL_B, 1, 2), +}; + +static const struct rzg2l_mod_clk r9a09g011_mod_clks[] __initconst = { + DEF_MOD("gic", R9A09G011_GIC_CLK, CLK_SEL_B_D2, 0x400, 5), + DEF_MOD("syc_cnt_clk", R9A09G011_SYC_CNT_CLK, CLK_MAIN_24, 0x41c, 12), + DEF_MOD("urt_pclk", R9A09G011_URT_PCLK, CLK_SEL_E, 0x438, 4), + DEF_MOD("urt0_clk", R9A09G011_URT0_CLK, CLK_SEL_W0, 0x438, 5), + DEF_MOD("ca53", R9A09G011_CA53_CLK, CLK_DIV_A, 0x448, 0), +}; + +static const struct rzg2l_reset r9a09g011_resets[] = { + DEF_RST_MON(R9A09G011_SYC_RST_N, 0x610, 9, 13), +}; + +static const unsigned int r9a09g011_crit_mod_clks[] __initconst = { + MOD_CLK_BASE + R9A09G011_CA53_CLK, + MOD_CLK_BASE + R9A09G011_GIC_CLK, + MOD_CLK_BASE + R9A09G011_SYC_CNT_CLK, + MOD_CLK_BASE + R9A09G011_URT_PCLK, +}; + +const struct rzg2l_cpg_info r9a09g011_cpg_info = { + /* Core Clocks */ + .core_clks = r9a09g011_core_clks, + .num_core_clks = ARRAY_SIZE(r9a09g011_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a09g011_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a09g011_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = r9a09g011_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a09g011_mod_clks), + .num_hw_mod_clks = R9A09G011_CA53_CLK + 1, + + /* Resets */ + .resets = r9a09g011_resets, + .num_resets = ARRAY_SIZE(r9a09g011_resets), + + .has_clk_mon_regs = false, +}; diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c index 89f63c09f089..d41db915616b 100644 --- a/drivers/clk/renesas/rzg2l-cpg.c +++ b/drivers/clk/renesas/rzg2l-cpg.c @@ -1406,6 +1406,12 @@ static const struct of_device_id rzg2l_cpg_match[] = { .compatible = "renesas,r9a07g054-cpg", .data = &r9a07g054_cpg_info, }, +#endif +#ifdef CONFIG_CLK_R9A09G011 + { + .compatible = "renesas,r9a09g011-cpg", + .data = &r9a09g011_cpg_info, + }, #endif { /* sentinel */ } }; diff --git a/drivers/clk/renesas/rzg2l-cpg.h b/drivers/clk/renesas/rzg2l-cpg.h index 6fbb431fb331..cecbdf5e4f93 100644 --- a/drivers/clk/renesas/rzg2l-cpg.h +++ b/drivers/clk/renesas/rzg2l-cpg.h @@ -270,5 +270,6 @@ struct rzg2l_cpg_info { extern const struct rzg2l_cpg_info r9a07g043_cpg_info; extern const struct rzg2l_cpg_info r9a07g044_cpg_info; extern const struct rzg2l_cpg_info r9a07g054_cpg_info; +extern const struct rzg2l_cpg_info r9a09g011_cpg_info; #endif