From patchwork Thu Jun 24 13:02:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Biju Das X-Patchwork-Id: 12342187 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 D6CC4C49EA5 for ; Thu, 24 Jun 2021 13:03:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C07DD613F9 for ; Thu, 24 Jun 2021 13:03:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229573AbhFXNFX (ORCPT ); Thu, 24 Jun 2021 09:05:23 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:9268 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S229505AbhFXNFW (ORCPT ); Thu, 24 Jun 2021 09:05:22 -0400 X-IronPort-AV: E=Sophos;i="5.83,296,1616425200"; d="scan'208";a="85412640" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 24 Jun 2021 22:03:03 +0900 Received: from localhost.localdomain (unknown [10.226.92.59]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id E296F49705B6; Thu, 24 Jun 2021 22:03:00 +0900 (JST) From: Biju Das To: Michael Turquette , Stephen Boyd Cc: Biju Das , Geert Uytterhoeven , linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, Chris Paterson , Biju Das , Prabhakar Mahadev Lad Subject: [PATCH v2 07/11] drivers: clk: renesas: r9a07g044-cpg: Update {GIC,IA55,SCIF} clock/reset entries Date: Thu, 24 Jun 2021 14:02:35 +0100 Message-Id: <20210624130240.17468-8-biju.das.jz@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210624130240.17468-1-biju.das.jz@bp.renesas.com> References: <20210624130240.17468-1-biju.das.jz@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org Update {GIC,IA55,SCIF} clock and reset entries to CPG driver to match with RZ/G2L clock list hardware manual(RZG2L_clock_list_r02_02.xlsx) and RZ/G2L HW manual(Rev.0.50). Signed-off-by: Biju Das Reviewed-by: Lad Prabhakar --- v1->v2: * Updated reset entries. v1: * https://patchwork.kernel.org/project/linux-renesas-soc/patch/20210618095823.19885-4-biju.das.jz@bp.renesas.com/ --- drivers/clk/renesas/r9a07g044-cpg.c | 62 ++++++++++++++----------- drivers/clk/renesas/renesas-rzg2l-cpg.c | 40 +++++++--------- drivers/clk/renesas/renesas-rzg2l-cpg.h | 5 +- 3 files changed, 55 insertions(+), 52 deletions(-) diff --git a/drivers/clk/renesas/r9a07g044-cpg.c b/drivers/clk/renesas/r9a07g044-cpg.c index d03f7ae6177e..7bcf373494e0 100644 --- a/drivers/clk/renesas/r9a07g044-cpg.c +++ b/drivers/clk/renesas/r9a07g044-cpg.c @@ -84,34 +84,40 @@ static const struct cpg_core_clk r9a07g044_core_clks[] __initconst = { }; 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)), + DEF_MOD("gic", R9A07G044_GIC600_GICCLK, R9A07G044_CLK_P1, + 0x514, 0), + DEF_MOD("ia55_pclk", R9A07G044_IA55_PCLK, R9A07G044_CLK_P2, + 0x518, 0), + DEF_MOD("ia55_clk", R9A07G044_IA55_CLK, R9A07G044_CLK_P1, + 0x518, 1), + DEF_MOD("scif0", R9A07G044_SCIF0_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 0), + DEF_MOD("scif1", R9A07G044_SCIF1_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 1), + DEF_MOD("scif2", R9A07G044_SCIF2_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 2), + DEF_MOD("scif3", R9A07G044_SCIF3_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 3), + DEF_MOD("scif4", R9A07G044_SCIF4_CLK_PCK, R9A07G044_CLK_P0, + 0x584, 4), + DEF_MOD("sci0", R9A07G044_SCI0_CLKP, R9A07G044_CLK_P0, + 0x588, 0), +}; + +static struct rzg2l_reset r9a07g044_resets[] = { + DEF_RST(R9A07G044_GIC600_GICRESET_N, 0x814, 0), + DEF_RST(R9A07G044_GIC600_DBG_GICRESET_N, 0x814, 1), + DEF_RST(R9A07G044_IA55_RESETN, 0x818, 0), + DEF_RST(R9A07G044_SCIF0_RST_SYSTEM_N, 0x884, 0), + DEF_RST(R9A07G044_SCIF1_RST_SYSTEM_N, 0x884, 1), + DEF_RST(R9A07G044_SCIF2_RST_SYSTEM_N, 0x884, 2), + DEF_RST(R9A07G044_SCIF3_RST_SYSTEM_N, 0x884, 3), + DEF_RST(R9A07G044_SCIF4_RST_SYSTEM_N, 0x884, 4), + DEF_RST(R9A07G044_SCI0_RST, 0x888, 0), }; static const unsigned int r9a07g044_crit_mod_clks[] __initconst = { - MOD_CLK_BASE + R9A07G044_CLK_GIC600, + MOD_CLK_BASE + R9A07G044_GIC600_GICCLK, }; const struct rzg2l_cpg_info r9a07g044_cpg_info = { @@ -128,5 +134,9 @@ const struct rzg2l_cpg_info r9a07g044_cpg_info = { /* 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, + .num_hw_mod_clks = R9A07G044_TSU_PCLK + 1, + + /* Resets */ + .resets = r9a07g044_resets, + .num_resets = ARRAY_SIZE(r9a07g044_resets), }; diff --git a/drivers/clk/renesas/renesas-rzg2l-cpg.c b/drivers/clk/renesas/renesas-rzg2l-cpg.c index c969c31d4197..8fc260a02473 100644 --- a/drivers/clk/renesas/renesas-rzg2l-cpg.c +++ b/drivers/clk/renesas/renesas-rzg2l-cpg.c @@ -47,9 +47,9 @@ #define SDIV(val) DIV_RSMASK(val, 0, 0x7) #define CLK_ON_R(reg) (reg) -#define CLK_MON_R(reg) (0x680 - 0x500 + (reg)) -#define CLK_RST_R(reg) (0x800 - 0x500 + (reg)) -#define CLK_MRST_R(reg) (0x980 - 0x500 + (reg)) +#define CLK_MON_R(reg) (0x180 + (reg)) +#define CLK_RST_R(reg) (reg) +#define CLK_MRST_R(reg) (0x180 + (reg)) #define GET_REG_OFFSET(val) ((val >> 20) & 0xfff) #define GET_REG_SAMPLL_CLK1(val) ((val >> 22) & 0xfff) @@ -310,14 +310,12 @@ rzg2l_cpg_register_core_clk(const struct cpg_core_clk *core, * @hw: handle between common and hardware-specific interfaces * @off: register offset * @onoff: ON/MON bits - * @reset: reset bits * @priv: CPG/MSTP private data */ struct mstp_clock { struct clk_hw hw; u16 off; u8 onoff; - u8 reset; struct rzg2l_cpg_priv *priv; }; @@ -451,8 +449,7 @@ rzg2l_cpg_register_mod_clk(const struct rzg2l_mod_clk *mod, init.num_parents = 1; clock->off = mod->off; - clock->onoff = mod->onoff; - clock->reset = mod->reset; + clock->onoff = BIT(mod->onoff); clock->priv = priv; clock->hw.init = &init; @@ -476,12 +473,11 @@ static int rzg2l_cpg_reset(struct reset_controller_dev *rcdev, { struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); const struct rzg2l_cpg_info *info = priv->info; - unsigned int reg = info->mod_clks[id].off; - u32 dis = info->mod_clks[id].reset; + unsigned int reg = info->resets[id].off; + u32 dis = BIT(info->resets[id].reset); u32 we = dis << 16; - dev_dbg(rcdev->dev, "reset name:%s id:%ld offset:0x%x\n", - info->mod_clks[id].name, id, CLK_RST_R(reg)); + dev_dbg(rcdev->dev, "reset id:%ld offset:0x%x\n", id, CLK_RST_R(reg)); /* Reset module */ writel(we, priv->base + CLK_RST_R(reg)); @@ -500,11 +496,10 @@ static int rzg2l_cpg_assert(struct reset_controller_dev *rcdev, { struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); const struct rzg2l_cpg_info *info = priv->info; - unsigned int reg = info->mod_clks[id].off; - u32 value = info->mod_clks[id].reset << 16; + unsigned int reg = info->resets[id].off; + u32 value = BIT(info->resets[id].reset) << 16; - dev_dbg(rcdev->dev, "assert name:%s id:%ld offset:0x%x\n", - info->mod_clks[id].name, id, CLK_RST_R(reg)); + dev_dbg(rcdev->dev, "assert id:%ld offset:0x%x\n", id, CLK_RST_R(reg)); writel(value, priv->base + CLK_RST_R(reg)); return 0; @@ -515,12 +510,12 @@ static int rzg2l_cpg_deassert(struct reset_controller_dev *rcdev, { struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); const struct rzg2l_cpg_info *info = priv->info; - unsigned int reg = info->mod_clks[id].off; - u32 dis = info->mod_clks[id].reset; + unsigned int reg = info->resets[id].off; + u32 dis = BIT(info->resets[id].reset); u32 value = (dis << 16) | dis; - dev_dbg(rcdev->dev, "deassert name:%s id:%ld offset:0x%x\n", - info->mod_clks[id].name, id, CLK_RST_R(reg)); + dev_dbg(rcdev->dev, "deassert id:%ld offset:0x%x\n", id, + CLK_RST_R(reg)); writel(value, priv->base + CLK_RST_R(reg)); return 0; @@ -531,8 +526,8 @@ static int rzg2l_cpg_status(struct reset_controller_dev *rcdev, { struct rzg2l_cpg_priv *priv = rcdev_to_priv(rcdev); const struct rzg2l_cpg_info *info = priv->info; - unsigned int reg = info->mod_clks[id].off; - u32 bitmask = info->mod_clks[id].reset; + unsigned int reg = info->resets[id].off; + u32 bitmask = BIT(info->resets[id].reset); return !(readl(priv->base + CLK_MRST_R(reg)) & bitmask); } @@ -564,7 +559,7 @@ static int rzg2l_cpg_reset_controller_register(struct rzg2l_cpg_priv *priv) priv->rcdev.dev = priv->dev; priv->rcdev.of_reset_n_cells = 1; priv->rcdev.of_xlate = rzg2l_cpg_reset_xlate; - priv->rcdev.nr_resets = priv->num_mod_clks; + priv->rcdev.nr_resets = priv->num_resets; return devm_reset_controller_register(priv->dev, &priv->rcdev); } @@ -692,6 +687,7 @@ static int __init rzg2l_cpg_probe(struct platform_device *pdev) priv->clks = clks; priv->num_core_clks = info->num_total_core_clks; priv->num_mod_clks = info->num_hw_mod_clks; + priv->num_resets = info->num_resets; priv->last_dt_core_clk = info->last_dt_core_clk; for (i = 0; i < nclks; i++) diff --git a/drivers/clk/renesas/renesas-rzg2l-cpg.h b/drivers/clk/renesas/renesas-rzg2l-cpg.h index 10beb1913363..3efd81475c7c 100644 --- a/drivers/clk/renesas/renesas-rzg2l-cpg.h +++ b/drivers/clk/renesas/renesas-rzg2l-cpg.h @@ -78,7 +78,6 @@ enum clk_types { * @parent: id of parent clock * @off: register offset * @onoff: ON/MON bits - * @reset: reset bits */ struct rzg2l_mod_clk { const char *name; @@ -86,17 +85,15 @@ struct rzg2l_mod_clk { unsigned int parent; u16 off; u8 onoff; - u8 reset; }; -#define DEF_MOD(_name, _id, _parent, _off, _onoff, _reset) \ +#define DEF_MOD(_name, _id, _parent, _off, _onoff) \ [_id] = { \ .name = _name, \ .id = MOD_CLK_BASE + _id, \ .parent = (_parent), \ .off = (_off), \ .onoff = (_onoff), \ - .reset = (_reset) \ } /**