From patchwork Sat Feb 11 06:40:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Protsenko X-Patchwork-Id: 13136917 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 AADC7C6FA9E for ; Sat, 11 Feb 2023 06:40:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229699AbjBKGkD (ORCPT ); Sat, 11 Feb 2023 01:40:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229781AbjBKGj5 (ORCPT ); Sat, 11 Feb 2023 01:39:57 -0500 Received: from mail-oi1-x235.google.com (mail-oi1-x235.google.com [IPv6:2607:f8b0:4864:20::235]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DF671350C for ; Fri, 10 Feb 2023 22:39:54 -0800 (PST) Received: by mail-oi1-x235.google.com with SMTP id n132so6263036oih.7 for ; Fri, 10 Feb 2023 22:39:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Lnwh8PvzH4M3fqQVoLT90tP2lhDK7TTHHkCgxq6i/js=; b=Ol6JWk7nCP20i/OqMHlNDkpa69RwMDOCqCohAXIm1V74QS7VxtD01TAflem6jRNV8v AjWaxemfOtP1iZPXfM4kFjAFbsuvcIjqpVSIX6eVOt7FSPHRaefnfTVx7iKGjBFKClFX k3ar/iZ8J3Hmj8mKjqTYrnMfjHSJhBkODhJLNY3dES/Y+3b/u1PTMebtQZIas0Ra6YdZ K7RnZNK3gIhnuyB4Fdigrp2idDAjT7xS6SLABgYi3qaw7OgiU+Qch7mkOKAkPWn3oSWt Aqhxzt5SP37oobrsvYIfGavADqykX0ihTJqhk5VjT09prNB1ypJ2jGr4BVh2qxx8alcb fiVA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Lnwh8PvzH4M3fqQVoLT90tP2lhDK7TTHHkCgxq6i/js=; b=iKkCvE33xK2WqbRLfYmB8944QOmXwVEaj6NtKWwPiifXL7g2ppIyfZ2LFR6V4zUVCE zJKxSLM+8cY5K8OVi8UJbDyQyP8HdF7dBgFLH6SWZ55YHtqgQ3A76IZN4C7zL9vZU3lz /MoOKvF2XTAzQ9Zss4QaZJovlcqSLO2Z8WCnlS1xmKTskre0ru2cuCCUlUAtUTOLoKD0 trT394Dg+nEc37EhmjiIhBT+Gk4zExKlRG5/lHRyZWccaUKzA9hMBBH/gH6Pv4NxOXT8 A/N6lTbsHGDzCCxxmY5TYrBrPCqv/Nc15BwtOpwVrtP9WgjtpU0lhYo/0q+vu8LB2QPY YJiQ== X-Gm-Message-State: AO0yUKX5wPgXRUl5cl6c665ExxBJxiVACwK4TRhWtxC+6Z5sTRIkKdFu Lfemtcw577qFeoWcjnQIDsfPGA== X-Google-Smtp-Source: AK7set9DRIgVl+UtYocAPknZ9Hw1v5tMCSYSKv0gIfztAkSSZa5qclC3niu2jcB0QVPTd9W/iyVGDA== X-Received: by 2002:aca:1015:0:b0:36d:ea30:7bdf with SMTP id 21-20020aca1015000000b0036dea307bdfmr7765530oiq.49.1676097593463; Fri, 10 Feb 2023 22:39:53 -0800 (PST) Received: from localhost ([136.49.140.41]) by smtp.gmail.com with ESMTPSA id w17-20020a9d6751000000b0067781a9292asm2900899otm.2.2023.02.10.22.39.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Feb 2023 22:39:53 -0800 (PST) From: Sam Protsenko To: Krzysztof Kozlowski , Chanwoo Choi , Sylwester Nawrocki , Rob Herring Cc: David Virag , Chanho Park , Alim Akhtar , Sumit Semwal , Tomasz Figa , Michael Turquette , Stephen Boyd , linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/6] clk: samsung: exynos850: Implement CMU_G3D domain Date: Sat, 11 Feb 2023 00:40:04 -0600 Message-Id: <20230211064006.14981-5-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230211064006.14981-1-semen.protsenko@linaro.org> References: <20230211064006.14981-1-semen.protsenko@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org CMU_G3D clock domain provides clocks for Mali-G52 GPU and bus clocks for BLK_G3D. This patch adds next clocks: - bus clocks in CMU_TOP for CMU_G3D - all internal CMU_G3D clocks - leaf clocks for GPU, TZPC (TrustZone Protection Controller) and SysReg G3D_CMU_G3D clock was marked as CLK_IGNORE_UNUSED, as system hangs on boot otherwise. Signed-off-by: Sam Protsenko Reviewed-by: Chanho Park --- drivers/clk/samsung/clk-exynos850.c | 121 ++++++++++++++++++++++++++++ 1 file changed, 121 insertions(+) diff --git a/drivers/clk/samsung/clk-exynos850.c b/drivers/clk/samsung/clk-exynos850.c index 541761e96aeb..a24eff42baae 100644 --- a/drivers/clk/samsung/clk-exynos850.c +++ b/drivers/clk/samsung/clk-exynos850.c @@ -36,6 +36,7 @@ #define CLK_CON_MUX_MUX_CLKCMU_CORE_MMC_EMBD 0x101c #define CLK_CON_MUX_MUX_CLKCMU_CORE_SSS 0x1020 #define CLK_CON_MUX_MUX_CLKCMU_DPU 0x1034 +#define CLK_CON_MUX_MUX_CLKCMU_G3D_SWITCH 0x1038 #define CLK_CON_MUX_MUX_CLKCMU_HSI_BUS 0x103c #define CLK_CON_MUX_MUX_CLKCMU_HSI_MMC_CARD 0x1040 #define CLK_CON_MUX_MUX_CLKCMU_HSI_USB20DRD 0x1044 @@ -57,6 +58,7 @@ #define CLK_CON_DIV_CLKCMU_CORE_MMC_EMBD 0x1828 #define CLK_CON_DIV_CLKCMU_CORE_SSS 0x182c #define CLK_CON_DIV_CLKCMU_DPU 0x1840 +#define CLK_CON_DIV_CLKCMU_G3D_SWITCH 0x1844 #define CLK_CON_DIV_CLKCMU_HSI_BUS 0x1848 #define CLK_CON_DIV_CLKCMU_HSI_MMC_CARD 0x184c #define CLK_CON_DIV_CLKCMU_HSI_USB20DRD 0x1850 @@ -84,6 +86,7 @@ #define CLK_CON_GAT_GATE_CLKCMU_CORE_MMC_EMBD 0x2024 #define CLK_CON_GAT_GATE_CLKCMU_CORE_SSS 0x2028 #define CLK_CON_GAT_GATE_CLKCMU_DPU 0x203c +#define CLK_CON_GAT_GATE_CLKCMU_G3D_SWITCH 0x2040 #define CLK_CON_GAT_GATE_CLKCMU_HSI_BUS 0x2044 #define CLK_CON_GAT_GATE_CLKCMU_HSI_MMC_CARD 0x2048 #define CLK_CON_GAT_GATE_CLKCMU_HSI_USB20DRD 0x204c @@ -116,6 +119,7 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_MUX_MUX_CLKCMU_CORE_MMC_EMBD, CLK_CON_MUX_MUX_CLKCMU_CORE_SSS, CLK_CON_MUX_MUX_CLKCMU_DPU, + CLK_CON_MUX_MUX_CLKCMU_G3D_SWITCH, CLK_CON_MUX_MUX_CLKCMU_HSI_BUS, CLK_CON_MUX_MUX_CLKCMU_HSI_MMC_CARD, CLK_CON_MUX_MUX_CLKCMU_HSI_USB20DRD, @@ -137,6 +141,7 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_DIV_CLKCMU_CORE_MMC_EMBD, CLK_CON_DIV_CLKCMU_CORE_SSS, CLK_CON_DIV_CLKCMU_DPU, + CLK_CON_DIV_CLKCMU_G3D_SWITCH, CLK_CON_DIV_CLKCMU_HSI_BUS, CLK_CON_DIV_CLKCMU_HSI_MMC_CARD, CLK_CON_DIV_CLKCMU_HSI_USB20DRD, @@ -164,6 +169,7 @@ static const unsigned long top_clk_regs[] __initconst = { CLK_CON_GAT_GATE_CLKCMU_CORE_MMC_EMBD, CLK_CON_GAT_GATE_CLKCMU_CORE_SSS, CLK_CON_GAT_GATE_CLKCMU_DPU, + CLK_CON_GAT_GATE_CLKCMU_G3D_SWITCH, CLK_CON_GAT_GATE_CLKCMU_HSI_BUS, CLK_CON_GAT_GATE_CLKCMU_HSI_MMC_CARD, CLK_CON_GAT_GATE_CLKCMU_HSI_USB20DRD, @@ -216,6 +222,9 @@ PNAME(mout_core_mmc_embd_p) = { "oscclk", "dout_shared0_div2", "oscclk", "oscclk" }; PNAME(mout_core_sss_p) = { "dout_shared0_div3", "dout_shared1_div3", "dout_shared0_div4", "dout_shared1_div4" }; +/* List of parent clocks for Muxes in CMU_TOP: for CMU_G3D */ +PNAME(mout_g3d_switch_p) = { "dout_shared0_div2", "dout_shared1_div2", + "dout_shared0_div3", "dout_shared1_div3" }; /* List of parent clocks for Muxes in CMU_TOP: for CMU_HSI */ PNAME(mout_hsi_bus_p) = { "dout_shared0_div2", "dout_shared1_div2" }; PNAME(mout_hsi_mmc_card_p) = { "oscclk", "dout_shared0_div2", @@ -283,6 +292,10 @@ static const struct samsung_mux_clock top_mux_clks[] __initconst = { MUX(CLK_MOUT_DPU, "mout_dpu", mout_dpu_p, CLK_CON_MUX_MUX_CLKCMU_DPU, 0, 2), + /* G3D */ + MUX(CLK_MOUT_G3D_SWITCH, "mout_g3d_switch", mout_g3d_switch_p, + CLK_CON_MUX_MUX_CLKCMU_G3D_SWITCH, 0, 2), + /* HSI */ MUX(CLK_MOUT_HSI_BUS, "mout_hsi_bus", mout_hsi_bus_p, CLK_CON_MUX_MUX_CLKCMU_HSI_BUS, 0, 1), @@ -357,6 +370,10 @@ static const struct samsung_div_clock top_div_clks[] __initconst = { DIV(CLK_DOUT_DPU, "dout_dpu", "gout_dpu", CLK_CON_DIV_CLKCMU_DPU, 0, 4), + /* G3D */ + DIV(CLK_DOUT_G3D_SWITCH, "dout_g3d_switch", "gout_g3d_switch", + CLK_CON_DIV_CLKCMU_G3D_SWITCH, 0, 3), + /* HSI */ DIV(CLK_DOUT_HSI_BUS, "dout_hsi_bus", "gout_hsi_bus", CLK_CON_DIV_CLKCMU_HSI_BUS, 0, 4), @@ -417,6 +434,10 @@ static const struct samsung_gate_clock top_gate_clks[] __initconst = { GATE(CLK_GOUT_DPU, "gout_dpu", "mout_dpu", CLK_CON_GAT_GATE_CLKCMU_DPU, 21, 0, 0), + /* G3D */ + GATE(CLK_GOUT_G3D_SWITCH, "gout_g3d_switch", "mout_g3d_switch", + CLK_CON_GAT_GATE_CLKCMU_G3D_SWITCH, 21, 0, 0), + /* HSI */ GATE(CLK_GOUT_HSI_BUS, "gout_hsi_bus", "mout_hsi_bus", CLK_CON_GAT_GATE_CLKCMU_HSI_BUS, 21, 0, 0), @@ -992,6 +1013,103 @@ static const struct samsung_cmu_info cmgp_cmu_info __initconst = { .clk_name = "gout_clkcmu_cmgp_bus", }; +/* ---- CMU_G3D ------------------------------------------------------------- */ + +/* Register Offset definitions for CMU_G3D (0x11400000) */ +#define PLL_LOCKTIME_PLL_G3D 0x0000 +#define PLL_CON0_PLL_G3D 0x0100 +#define PLL_CON3_PLL_G3D 0x010c +#define PLL_CON0_MUX_CLKCMU_G3D_SWITCH_USER 0x0600 +#define CLK_CON_MUX_MUX_CLK_G3D_BUSD 0x1000 +#define CLK_CON_DIV_DIV_CLK_G3D_BUSP 0x1804 +#define CLK_CON_GAT_CLK_G3D_CMU_G3D_PCLK 0x2000 +#define CLK_CON_GAT_CLK_G3D_GPU_CLK 0x2004 +#define CLK_CON_GAT_GOUT_G3D_TZPC_PCLK 0x200c +#define CLK_CON_GAT_GOUT_G3D_GRAY2BIN_CLK 0x2010 +#define CLK_CON_GAT_GOUT_G3D_BUSD_CLK 0x2024 +#define CLK_CON_GAT_GOUT_G3D_BUSP_CLK 0x2028 +#define CLK_CON_GAT_GOUT_G3D_SYSREG_PCLK 0x202c + + +static const unsigned long g3d_clk_regs[] __initconst = { + PLL_LOCKTIME_PLL_G3D, + PLL_CON0_PLL_G3D, + PLL_CON3_PLL_G3D, + PLL_CON0_MUX_CLKCMU_G3D_SWITCH_USER, + CLK_CON_MUX_MUX_CLK_G3D_BUSD, + CLK_CON_DIV_DIV_CLK_G3D_BUSP, + CLK_CON_GAT_CLK_G3D_CMU_G3D_PCLK, + CLK_CON_GAT_CLK_G3D_GPU_CLK, + CLK_CON_GAT_GOUT_G3D_TZPC_PCLK, + CLK_CON_GAT_GOUT_G3D_GRAY2BIN_CLK, + CLK_CON_GAT_GOUT_G3D_BUSD_CLK, + CLK_CON_GAT_GOUT_G3D_BUSP_CLK, + CLK_CON_GAT_GOUT_G3D_SYSREG_PCLK, +}; + +/* List of parent clocks for Muxes in CMU_G3D */ +PNAME(mout_g3d_pll_p) = { "oscclk", "fout_g3d_pll" }; +PNAME(mout_g3d_switch_user_p) = { "oscclk", "dout_g3d_switch" }; +PNAME(mout_g3d_busd_p) = { "mout_g3d_pll", "mout_g3d_switch_user" }; + +/* + * Do not provide PLL table to PLL_G3D, as MANUAL_PLL_CTRL bit is not set + * for that PLL by default, so set_rate operation would fail. + */ +static const struct samsung_pll_clock g3d_pll_clks[] __initconst = { + PLL(pll_0818x, CLK_FOUT_G3D_PLL, "fout_g3d_pll", "oscclk", + PLL_LOCKTIME_PLL_G3D, PLL_CON3_PLL_G3D, NULL), +}; + +static const struct samsung_mux_clock g3d_mux_clks[] __initconst = { + MUX(CLK_MOUT_G3D_PLL, "mout_g3d_pll", mout_g3d_pll_p, + PLL_CON0_PLL_G3D, 4, 1), + MUX(CLK_MOUT_G3D_SWITCH_USER, "mout_g3d_switch_user", + mout_g3d_switch_user_p, + PLL_CON0_MUX_CLKCMU_G3D_SWITCH_USER, 4, 1), + MUX(CLK_MOUT_G3D_BUSD, "mout_g3d_busd", mout_g3d_busd_p, + CLK_CON_MUX_MUX_CLK_G3D_BUSD, 0, 1), +}; + +static const struct samsung_div_clock g3d_div_clks[] __initconst = { + DIV(CLK_DOUT_G3D_BUSP, "dout_g3d_busp", "mout_g3d_busd", + CLK_CON_DIV_DIV_CLK_G3D_BUSP, 0, 3), +}; + +static const struct samsung_gate_clock g3d_gate_clks[] __initconst = { + GATE(CLK_GOUT_G3D_CMU_G3D_PCLK, "gout_g3d_cmu_g3d_pclk", + "dout_g3d_busp", + CLK_CON_GAT_CLK_G3D_CMU_G3D_PCLK, 21, CLK_IGNORE_UNUSED, 0), + GATE(CLK_GOUT_G3D_GPU_CLK, "gout_g3d_gpu_clk", "mout_g3d_busd", + CLK_CON_GAT_CLK_G3D_GPU_CLK, 21, 0, 0), + GATE(CLK_GOUT_G3D_TZPC_PCLK, "gout_g3d_tzpc_pclk", "dout_g3d_busp", + CLK_CON_GAT_GOUT_G3D_TZPC_PCLK, 21, 0, 0), + GATE(CLK_GOUT_G3D_GRAY2BIN_CLK, "gout_g3d_gray2bin_clk", + "mout_g3d_busd", + CLK_CON_GAT_GOUT_G3D_GRAY2BIN_CLK, 21, 0, 0), + GATE(CLK_GOUT_G3D_BUSD_CLK, "gout_g3d_busd_clk", "mout_g3d_busd", + CLK_CON_GAT_GOUT_G3D_BUSD_CLK, 21, 0, 0), + GATE(CLK_GOUT_G3D_BUSP_CLK, "gout_g3d_busp_clk", "dout_g3d_busp", + CLK_CON_GAT_GOUT_G3D_BUSP_CLK, 21, 0, 0), + GATE(CLK_GOUT_G3D_SYSREG_PCLK, "gout_g3d_sysreg_pclk", "dout_g3d_busp", + CLK_CON_GAT_GOUT_G3D_SYSREG_PCLK, 21, 0, 0), +}; + +static const struct samsung_cmu_info g3d_cmu_info __initconst = { + .pll_clks = g3d_pll_clks, + .nr_pll_clks = ARRAY_SIZE(g3d_pll_clks), + .mux_clks = g3d_mux_clks, + .nr_mux_clks = ARRAY_SIZE(g3d_mux_clks), + .div_clks = g3d_div_clks, + .nr_div_clks = ARRAY_SIZE(g3d_div_clks), + .gate_clks = g3d_gate_clks, + .nr_gate_clks = ARRAY_SIZE(g3d_gate_clks), + .nr_clk_ids = G3D_NR_CLK, + .clk_regs = g3d_clk_regs, + .nr_clk_regs = ARRAY_SIZE(g3d_clk_regs), + .clk_name = "dout_g3d_switch", +}; + /* ---- CMU_HSI ------------------------------------------------------------- */ /* Register Offset definitions for CMU_HSI (0x13400000) */ @@ -1700,6 +1818,9 @@ static const struct of_device_id exynos850_cmu_of_match[] = { }, { .compatible = "samsung,exynos850-cmu-cmgp", .data = &cmgp_cmu_info, + }, { + .compatible = "samsung,exynos850-cmu-g3d", + .data = &g3d_cmu_info, }, { .compatible = "samsung,exynos850-cmu-hsi", .data = &hsi_cmu_info,