From patchwork Tue Jan 14 07:24:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 1222527 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=nvidia.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=nvidia.com header.i=@nvidia.com header.a=rsa-sha256 header.s=n1 header.b=LOjeemBy; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47xhpL3ZQLz9sRW for ; Tue, 14 Jan 2020 18:26:18 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729225AbgANH0Q (ORCPT ); Tue, 14 Jan 2020 02:26:16 -0500 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:13846 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728831AbgANHYb (ORCPT ); Tue, 14 Jan 2020 02:24:31 -0500 Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, DES-CBC3-SHA) id ; Mon, 13 Jan 2020 23:24:10 -0800 Received: from hqmail.nvidia.com ([172.20.161.6]) by hqpgpgate101.nvidia.com (PGP Universal service); Mon, 13 Jan 2020 23:24:30 -0800 X-PGP-Universal: processed; by hqpgpgate101.nvidia.com on Mon, 13 Jan 2020 23:24:30 -0800 Received: from HQMAIL105.nvidia.com (172.20.187.12) by HQMAIL111.nvidia.com (172.20.187.18) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 14 Jan 2020 07:24:29 +0000 Received: from hqnvemgw03.nvidia.com (10.124.88.68) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3 via Frontend Transport; Tue, 14 Jan 2020 07:24:29 +0000 Received: from skomatineni-linux.nvidia.com (Not Verified[10.2.169.242]) by hqnvemgw03.nvidia.com with Trustwave SEG (v7, 5, 8, 10121) id ; Mon, 13 Jan 2020 23:24:29 -0800 From: Sowjanya Komatineni To: , , , , , , , , , , , , CC: , , , , , , , , , , Subject: [PATCH v8 02/22] clk: tegra: Add support for OSC_DIV fixed clocks Date: Mon, 13 Jan 2020 23:24:07 -0800 Message-ID: <1578986667-16041-3-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1578986667-16041-1-git-send-email-skomatineni@nvidia.com> References: <1578986667-16041-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1578986650; bh=X6XUDKLA13TWi+qOslMWrHJ+LGMstJji+d65e1s4vbo=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=LOjeemBytk/736nvPBtfkvT42+EtVu4SUWEK8C6htPq5Z+VV4+BpvxkeIqrACTcy8 sWl05ipCEqI5pER2JW4T17ydT1uEiLUFKW+5krCwpz/bHqaaTsqmwzqy/cohDktgLk g+120ROCuUcl/HW69RieMDZf4TbpNe/QdfQdxk4hdWw8wb8QPQSsbyV0VU0H2ot3NB LwH+wF0RtMFxCJScF/3daWRA6V+MXz37K0c3xGsw0pyZ+i4aqMFkC33njOmPdkmYZb pyY6Xy1HkHtaYAR+RaK3/4hooBK0koY7oN+kVjqn/xlGPerphm1ISsemZEx28BAs5z F+BkPKvMblFQg== Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Tegra30 through Tegra210 has OSC_DIV2 and OSC_DIV4 fixed clocks from the OSC pads. This patch adds support for these clocks. Tested-by: Dmitry Osipenko Reviewed-by: Dmitry Osipenko Signed-off-by: Sowjanya Komatineni --- drivers/clk/tegra/clk-id.h | 2 ++ drivers/clk/tegra/clk-tegra-fixed.c | 16 ++++++++++++++++ drivers/clk/tegra/clk-tegra114.c | 4 ++++ drivers/clk/tegra/clk-tegra124.c | 4 ++++ drivers/clk/tegra/clk-tegra210.c | 4 ++++ drivers/clk/tegra/clk-tegra30.c | 4 ++++ 6 files changed, 34 insertions(+) diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h index c4faebd32760..17d8b252cd0a 100644 --- a/drivers/clk/tegra/clk-id.h +++ b/drivers/clk/tegra/clk-id.h @@ -46,6 +46,8 @@ enum clk_id { tegra_clk_clk_m, tegra_clk_clk_m_div2, tegra_clk_clk_m_div4, + tegra_clk_osc_div2, + tegra_clk_osc_div4, tegra_clk_clk_out_1, tegra_clk_clk_out_1_mux, tegra_clk_clk_out_2, diff --git a/drivers/clk/tegra/clk-tegra-fixed.c b/drivers/clk/tegra/clk-tegra-fixed.c index 7c6c8abfcde6..990106391334 100644 --- a/drivers/clk/tegra/clk-tegra-fixed.c +++ b/drivers/clk/tegra/clk-tegra-fixed.c @@ -48,6 +48,22 @@ int __init tegra_osc_clk_init(void __iomem *clk_base, struct tegra_clk *clks, osc = clk_register_fixed_rate(NULL, "osc", NULL, 0, *osc_freq); + /* osc_div2 */ + dt_clk = tegra_lookup_dt_id(tegra_clk_osc_div2, clks); + if (dt_clk) { + clk = clk_register_fixed_factor(NULL, "osc_div2", "osc", + 0, 1, 2); + *dt_clk = clk; + } + + /* osc_div4 */ + dt_clk = tegra_lookup_dt_id(tegra_clk_osc_div4, clks); + if (dt_clk) { + clk = clk_register_fixed_factor(NULL, "osc_div4", "osc", + 0, 1, 4); + *dt_clk = clk; + } + dt_clk = tegra_lookup_dt_id(tegra_clk_clk_m, clks); if (!dt_clk) return 0; diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 4efcaaf51b3a..d44cb8db0ef6 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -737,6 +737,8 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { [tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true }, [tegra_clk_clk_m_div2] = { .dt_id = TEGRA114_CLK_CLK_M_DIV2, .present = true }, [tegra_clk_clk_m_div4] = { .dt_id = TEGRA114_CLK_CLK_M_DIV4, .present = true }, + [tegra_clk_osc_div2] = { .dt_id = TEGRA114_CLK_OSC_DIV2, .present = true }, + [tegra_clk_osc_div4] = { .dt_id = TEGRA114_CLK_OSC_DIV4, .present = true }, [tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true }, [tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true }, [tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true }, @@ -817,6 +819,8 @@ static struct tegra_devclk devclks[] __initdata = { { .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K }, { .con_id = "clk_m_div2", .dt_id = TEGRA114_CLK_CLK_M_DIV2 }, { .con_id = "clk_m_div4", .dt_id = TEGRA114_CLK_CLK_M_DIV4 }, + { .con_id = "osc_div2", .dt_id = TEGRA114_CLK_OSC_DIV2 }, + { .con_id = "osc_div4", .dt_id = TEGRA114_CLK_OSC_DIV4 }, { .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C }, { .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 }, { .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 }, diff --git a/drivers/clk/tegra/clk-tegra124.c b/drivers/clk/tegra/clk-tegra124.c index b3110d5b5a6c..32f3dd1ccbad 100644 --- a/drivers/clk/tegra/clk-tegra124.c +++ b/drivers/clk/tegra/clk-tegra124.c @@ -862,6 +862,8 @@ static struct tegra_clk tegra124_clks[tegra_clk_max] __initdata = { [tegra_clk_clk_m] = { .dt_id = TEGRA124_CLK_CLK_M, .present = true }, [tegra_clk_clk_m_div2] = { .dt_id = TEGRA124_CLK_CLK_M_DIV2, .present = true }, [tegra_clk_clk_m_div4] = { .dt_id = TEGRA124_CLK_CLK_M_DIV4, .present = true }, + [tegra_clk_osc_div2] = { .dt_id = TEGRA124_CLK_OSC_DIV2, .present = true }, + [tegra_clk_osc_div4] = { .dt_id = TEGRA124_CLK_OSC_DIV4, .present = true }, [tegra_clk_pll_ref] = { .dt_id = TEGRA124_CLK_PLL_REF, .present = true }, [tegra_clk_pll_c] = { .dt_id = TEGRA124_CLK_PLL_C, .present = true }, [tegra_clk_pll_c_out1] = { .dt_id = TEGRA124_CLK_PLL_C_OUT1, .present = true }, @@ -943,6 +945,8 @@ static struct tegra_devclk devclks[] __initdata = { { .con_id = "clk_32k", .dt_id = TEGRA124_CLK_CLK_32K }, { .con_id = "clk_m_div2", .dt_id = TEGRA124_CLK_CLK_M_DIV2 }, { .con_id = "clk_m_div4", .dt_id = TEGRA124_CLK_CLK_M_DIV4 }, + { .con_id = "osc_div2", .dt_id = TEGRA124_CLK_OSC_DIV2 }, + { .con_id = "osc_div4", .dt_id = TEGRA124_CLK_OSC_DIV4 }, { .con_id = "pll_c", .dt_id = TEGRA124_CLK_PLL_C }, { .con_id = "pll_c_out1", .dt_id = TEGRA124_CLK_PLL_C_OUT1 }, { .con_id = "pll_c2", .dt_id = TEGRA124_CLK_PLL_C2 }, diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c index 762cd186f714..899d8ca68c4f 100644 --- a/drivers/clk/tegra/clk-tegra210.c +++ b/drivers/clk/tegra/clk-tegra210.c @@ -2373,6 +2373,8 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = { [tegra_clk_clk_m] = { .dt_id = TEGRA210_CLK_CLK_M, .present = true }, [tegra_clk_clk_m_div2] = { .dt_id = TEGRA210_CLK_CLK_M_DIV2, .present = true }, [tegra_clk_clk_m_div4] = { .dt_id = TEGRA210_CLK_CLK_M_DIV4, .present = true }, + [tegra_clk_osc_div2] = { .dt_id = TEGRA210_CLK_OSC_DIV2, .present = true }, + [tegra_clk_osc_div4] = { .dt_id = TEGRA210_CLK_OSC_DIV4, .present = true }, [tegra_clk_pll_ref] = { .dt_id = TEGRA210_CLK_PLL_REF, .present = true }, [tegra_clk_pll_c] = { .dt_id = TEGRA210_CLK_PLL_C, .present = true }, [tegra_clk_pll_c_out1] = { .dt_id = TEGRA210_CLK_PLL_C_OUT1, .present = true }, @@ -2499,6 +2501,8 @@ static struct tegra_devclk devclks[] __initdata = { { .con_id = "clk_32k", .dt_id = TEGRA210_CLK_CLK_32K }, { .con_id = "clk_m_div2", .dt_id = TEGRA210_CLK_CLK_M_DIV2 }, { .con_id = "clk_m_div4", .dt_id = TEGRA210_CLK_CLK_M_DIV4 }, + { .con_id = "osc_div2", .dt_id = TEGRA210_CLK_OSC_DIV2 }, + { .con_id = "osc_div4", .dt_id = TEGRA210_CLK_OSC_DIV4 }, { .con_id = "pll_c", .dt_id = TEGRA210_CLK_PLL_C }, { .con_id = "pll_c_out1", .dt_id = TEGRA210_CLK_PLL_C_OUT1 }, { .con_id = "pll_c2", .dt_id = TEGRA210_CLK_PLL_C2 }, diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c index c8bc18e4d7e5..c2da1f1d2b58 100644 --- a/drivers/clk/tegra/clk-tegra30.c +++ b/drivers/clk/tegra/clk-tegra30.c @@ -583,6 +583,8 @@ static struct tegra_devclk devclks[] __initdata = { { .con_id = "clk_32k", .dt_id = TEGRA30_CLK_CLK_32K }, { .con_id = "clk_m_div2", .dt_id = TEGRA30_CLK_CLK_M_DIV2 }, { .con_id = "clk_m_div4", .dt_id = TEGRA30_CLK_CLK_M_DIV4 }, + { .con_id = "osc_div2", .dt_id = TEGRA30_CLK_OSC_DIV2 }, + { .con_id = "osc_div4", .dt_id = TEGRA30_CLK_OSC_DIV4 }, { .con_id = "cml0", .dt_id = TEGRA30_CLK_CML0 }, { .con_id = "cml1", .dt_id = TEGRA30_CLK_CML1 }, { .con_id = "clk_m", .dt_id = TEGRA30_CLK_CLK_M }, @@ -685,6 +687,8 @@ static struct tegra_clk tegra30_clks[tegra_clk_max] __initdata = { [tegra_clk_clk_m] = { .dt_id = TEGRA30_CLK_CLK_M, .present = true }, [tegra_clk_clk_m_div2] = { .dt_id = TEGRA30_CLK_CLK_M_DIV2, .present = true }, [tegra_clk_clk_m_div4] = { .dt_id = TEGRA30_CLK_CLK_M_DIV4, .present = true }, + [tegra_clk_osc_div2] = { .dt_id = TEGRA30_CLK_OSC_DIV2, .present = true }, + [tegra_clk_osc_div4] = { .dt_id = TEGRA30_CLK_OSC_DIV4, .present = true }, [tegra_clk_pll_ref] = { .dt_id = TEGRA30_CLK_PLL_REF, .present = true }, [tegra_clk_spdif_in_sync] = { .dt_id = TEGRA30_CLK_SPDIF_IN_SYNC, .present = true }, [tegra_clk_i2s0_sync] = { .dt_id = TEGRA30_CLK_I2S0_SYNC, .present = true },