From patchwork Wed Jun 9 15:32:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 12310571 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CEA4CC48BCD for ; Wed, 9 Jun 2021 15:33:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB6096139A for ; Wed, 9 Jun 2021 15:33:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238395AbhFIPfh (ORCPT ); Wed, 9 Jun 2021 11:35:37 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:33258 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S237318AbhFIPfW (ORCPT ); Wed, 9 Jun 2021 11:35:22 -0400 X-IronPort-AV: E=Sophos;i="5.83,261,1616425200"; d="scan'208";a="83733823" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 10 Jun 2021 00:33:26 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 884394009102; Thu, 10 Jun 2021 00:33:23 +0900 (JST) From: Lad Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Michael Turquette , Stephen Boyd , Catalin Marinas , Will Deacon , Philipp Zabel , linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Prabhakar , Biju Das , Lad Prabhakar Subject: [PATCH v3 09/11] clk: renesas: Add support for R9A07G044 SoC Date: Wed, 9 Jun 2021 16:32:28 +0100 Message-Id: <20210609153230.6967-10-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210609153230.6967-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20210609153230.6967-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Define the clock outputs supported by RZ/G2L (R9A07G044) SoC and bind it with RZ/G2L CPG core. Based on a patch in the BSP by Binh Nguyen . Signed-off-by: Lad Prabhakar Reviewed-by: Biju Das Reviewed-by: Geert Uytterhoeven --- drivers/clk/renesas/Kconfig | 5 + drivers/clk/renesas/Makefile | 1 + drivers/clk/renesas/r9a07g044-cpg.c | 127 ++++++++++++++++++++++++ drivers/clk/renesas/renesas-rzg2l-cpg.c | 6 ++ drivers/clk/renesas/renesas-rzg2l-cpg.h | 2 + 5 files changed, 141 insertions(+) create mode 100644 drivers/clk/renesas/r9a07g044-cpg.c diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index a067428cb7af..916c7d227e25 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -32,6 +32,7 @@ config CLK_RENESAS select CLK_R8A77995 if ARCH_R8A77995 select CLK_R8A779A0 if ARCH_R8A779A0 select CLK_R9A06G032 if ARCH_R9A06G032 + select CLK_R9A07G044 if ARCH_R9A07G044 select CLK_SH73A0 if ARCH_SH73A0 if CLK_RENESAS @@ -156,6 +157,10 @@ config CLK_R9A06G032 help This is a driver for R9A06G032 clocks +config CLK_R9A07G044 + bool "RZ/G2L 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 a9c299686b4a..5c6c5c721d98 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -29,6 +29,7 @@ obj-$(CONFIG_CLK_R8A77990) += r8a77990-cpg-mssr.o obj-$(CONFIG_CLK_R8A77995) += r8a77995-cpg-mssr.o obj-$(CONFIG_CLK_R8A779A0) += r8a779a0-cpg-mssr.o obj-$(CONFIG_CLK_R9A06G032) += r9a06g032-clocks.o +obj-$(CONFIG_CLK_R9A07G044) += r9a07g044-cpg.o obj-$(CONFIG_CLK_SH73A0) += clk-sh73a0.o # Family diff --git a/drivers/clk/renesas/r9a07g044-cpg.c b/drivers/clk/renesas/r9a07g044-cpg.c new file mode 100644 index 000000000000..50b5269586a4 --- /dev/null +++ b/drivers/clk/renesas/r9a07g044-cpg.c @@ -0,0 +1,127 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/G2L CPG driver + * + * Copyright (C) 2021 Renesas Electronics Corp. + */ + +#include +#include +#include +#include + +#include + +#include "renesas-rzg2l-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R9A07G044_OSCCLK, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_OSC_DIV1000, + CLK_PLL1, + CLK_PLL2, + CLK_PLL2_DIV2, + CLK_PLL2_DIV16, + CLK_PLL2_DIV20, + CLK_PLL3, + CLK_PLL3_DIV2, + CLK_PLL3_DIV4, + CLK_PLL3_DIV8, + CLK_PLL4, + CLK_PLL5, + CLK_PLL5_DIV2, + CLK_PLL6, + + /* Module Clocks */ + MOD_CLK_BASE, +}; + +/* Divider tables */ +static const struct clk_div_table dtable_3b[] = { + {0, 1}, + {1, 2}, + {2, 4}, + {3, 8}, + {4, 32}, +}; + +static const struct cpg_core_clk r9a07g044_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_FIXED(".osc", R9A07G044_OSCCLK, CLK_EXTAL, 1, 1), + DEF_FIXED(".osc_div1000", CLK_OSC_DIV1000, CLK_EXTAL, 1, 1000), + DEF_SAMPLL(".pll1", CLK_PLL1, CLK_EXTAL, PLL146_CONF(0)), + DEF_FIXED(".pll2", CLK_PLL2, CLK_EXTAL, 133, 2), + DEF_FIXED(".pll3", CLK_PLL3, CLK_EXTAL, 133, 2), + + DEF_FIXED(".pll2_div2", CLK_PLL2_DIV2, CLK_PLL2, 1, 2), + DEF_FIXED(".pll2_div16", CLK_PLL2_DIV16, CLK_PLL2, 1, 16), + DEF_FIXED(".pll2_div20", CLK_PLL2_DIV20, CLK_PLL2, 1, 20), + + DEF_FIXED(".pll3_div2", CLK_PLL3_DIV2, CLK_PLL3, 1, 2), + DEF_FIXED(".pll3_div4", CLK_PLL3_DIV4, CLK_PLL3, 1, 4), + DEF_FIXED(".pll3_div8", CLK_PLL3_DIV8, CLK_PLL3, 1, 8), + + /* Core output clk */ + DEF_FIXED("I", R9A07G044_CLK_I, CLK_PLL1, 1, 1), + DEF_DIV("P0", R9A07G044_CLK_P0, CLK_PLL2_DIV16, DIVPL2A, + dtable_3b, CLK_DIVIDER_HIWORD_MASK), + DEF_FIXED("TSU", R9A07G044_CLK_TSU, CLK_PLL2_DIV20, 1, 1), + DEF_DIV("P1", R9A07G044_CLK_P1, CLK_PLL3_DIV8, + DIVPL3B, dtable_3b, CLK_DIVIDER_HIWORD_MASK), +}; + +static struct rzg2l_mod_clk r9a07g044_mod_clks[] = { + DEF_MOD("gic", R9A07G044_CLK_GIC600, + R9A07G044_CLK_P1, + 0x514, BIT(0), (BIT(0) | BIT(1))), + DEF_MOD("ia55", R9A07G044_CLK_IA55, + R9A07G044_CLK_P1, + 0x518, (BIT(0) | BIT(1)), BIT(0)), + DEF_MOD("scif0", R9A07G044_CLK_SCIF0, + R9A07G044_CLK_P0, + 0x584, BIT(0), BIT(0)), + DEF_MOD("scif1", R9A07G044_CLK_SCIF1, + R9A07G044_CLK_P0, + 0x584, BIT(1), BIT(1)), + DEF_MOD("scif2", R9A07G044_CLK_SCIF2, + R9A07G044_CLK_P0, + 0x584, BIT(2), BIT(2)), + DEF_MOD("scif3", R9A07G044_CLK_SCIF3, + R9A07G044_CLK_P0, + 0x584, BIT(3), BIT(3)), + DEF_MOD("scif4", R9A07G044_CLK_SCIF4, + R9A07G044_CLK_P0, + 0x584, BIT(4), BIT(4)), + DEF_MOD("sci0", R9A07G044_CLK_SCI0, + R9A07G044_CLK_P0, + 0x588, BIT(0), BIT(0)), +}; + +static const unsigned int r9a07g044_crit_mod_clks[] __initconst = { + MOD_CLK_BASE + R9A07G044_CLK_GIC600, +}; + +const struct rzg2l_cpg_info r9a07g044_cpg_info = { + /* Core Clocks */ + .core_clks = r9a07g044_core_clks, + .num_core_clks = ARRAY_SIZE(r9a07g044_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Critical Module Clocks */ + .crit_mod_clks = r9a07g044_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r9a07g044_crit_mod_clks), + + /* Module Clocks */ + .mod_clks = r9a07g044_mod_clks, + .num_mod_clks = ARRAY_SIZE(r9a07g044_mod_clks), + .num_hw_mod_clks = R9A07G044_CLK_MIPI_DSI_PIN + 1, +}; diff --git a/drivers/clk/renesas/renesas-rzg2l-cpg.c b/drivers/clk/renesas/renesas-rzg2l-cpg.c index 9e860d55c916..ef308cb2368f 100644 --- a/drivers/clk/renesas/renesas-rzg2l-cpg.c +++ b/drivers/clk/renesas/renesas-rzg2l-cpg.c @@ -723,6 +723,12 @@ static int __init rzg2l_cpg_probe(struct platform_device *pdev) } static const struct of_device_id rzg2l_cpg_match[] = { +#ifdef CONFIG_CLK_R9A07G044 + { + .compatible = "renesas,r9a07g044-cpg", + .data = &r9a07g044_cpg_info, + }, +#endif { /* sentinel */ } }; diff --git a/drivers/clk/renesas/renesas-rzg2l-cpg.h b/drivers/clk/renesas/renesas-rzg2l-cpg.h index 8ff0047ffeb9..3948bdd8afc9 100644 --- a/drivers/clk/renesas/renesas-rzg2l-cpg.h +++ b/drivers/clk/renesas/renesas-rzg2l-cpg.h @@ -131,4 +131,6 @@ struct rzg2l_cpg_info { unsigned int num_crit_mod_clks; }; +extern const struct rzg2l_cpg_info r9a07g044_cpg_info; + #endif