From patchwork Mon Aug 26 07:25:37 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 11114137 X-Patchwork-Delegate: neil.armstrong@linaro.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E5B6514DB for ; Mon, 26 Aug 2019 07:27:28 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C16C8206BA for ; Mon, 26 Aug 2019 07:27:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="sxvdtIh9"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="qOa+iavI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C16C8206BA Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=zuy/Lf1O3T2oqlD8eu/hbsQeUYeLbzPITWm2KHtEL3Q=; b=sxvdtIh9KGNZuZ jSO69ZxRZ7P8TNr5jSFG5FLs6NMMI6Nmel8XYdUmDf4Xw5hanC6MtjYBJx9rRzpFwHrsuwUiIkCUT CwtTIbFX5g0ZxArAefc99uLkPaU8qTCzbjEOq71/bsQFZYb7ZO4inbvcpaqfjZgl8POk9i3cKMqUH ffu45X61fuv0eVWg48bVLEMW2IuBRhLgWGhggmMRqUAHPvxpBnYzJgrA10Ha/fK54J+dgzAAjNTFL wRwaCo4aYxAHkZJBYdhCy0wulQSmBuW/qDuijE+vIfn3NWkusENJXMXpvyNoImNi5SC+pzJt39qQl 3DarCLTOoP6h0ul+YxUA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1i29PU-00026H-0A; Mon, 26 Aug 2019 07:27:28 +0000 Received: from mail-wr1-x443.google.com ([2a00:1450:4864:20::443]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1i29Nr-0000zJ-Du for linux-amlogic@lists.infradead.org; Mon, 26 Aug 2019 07:25:51 +0000 Received: by mail-wr1-x443.google.com with SMTP id s18so14269662wrn.1 for ; Mon, 26 Aug 2019 00:25:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=aIZ4MUENKnk/vwYuwNvpf/YizEZ4hKgP/FjIWOQe6Qs=; b=qOa+iavIMdAd6axtgUsheALHFHtKaJgULn8OuIemZ7Eu1GKbwW8e/7Ili/IaSb27Ht cLAQBejNfZl/g4FVzDKXcVwge7f+pe2oyqq5FH26fhKvMlk7+QWwWkGgiJjodfI3ppHN og4mpXAcDN8eZOPjltnNO/6FEOdZXja2yhBA4odV4OId17vV9XAeqGsc3cJWdXtzD5t+ qG7gvx/q65q2m7isgCFJn7Q5aAQq5+oWbHtcawWrG25yMjQiMiyWQc2KrPceC0J9r4bQ C7ybs90pmew2aw3Yv47Nv9JtQg6FYJyXX8lZq/GTkPVi5W8hnJyJ1ghStZ4ce6dSl4on Izig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=aIZ4MUENKnk/vwYuwNvpf/YizEZ4hKgP/FjIWOQe6Qs=; b=PyjmPtQEBmXJ4/h+/x1kbSa1BD58jDVes/o/oyPEPy1X2hva298PRaRdDm5+UUpY1e XPpmZa2CPfRkculyolwQx5yRp9P1w+D4CIIGrfROK7Yni0b8aNR2hbkMIPvxkH/z94qb 1p2aRshHqIqtfIt3ufxSMUo3v9FiV4ON+UFk0ST+skcE4oEgLYPGd5udaa+Ka1OcHNPE IK33oOzT7auCezrVpruZzK8iE0+qH+8WXzxqTtRw0BbOI+IvbhkH2MIeVZZU52q2BsEx h78SK8xdD01TX+FEQz4MkyLiI43Ix8mjw/rpotSJRb3L6+SJuVSFmQyEV57eGEaRDmNo 3L6g== X-Gm-Message-State: APjAAAWxFykaLxhMf+jrqzXFsSimTW9jIPHm85/tuixC5SLA6jQwCHSf fRgJBxkNyW7JkbD9s3zGWfDF3Q== X-Google-Smtp-Source: APXvYqyzN/OGkL9P1BrTuY33ggl0eCy+5f+de1nLbCAFaS9ESop/tWzeWsUl1mGSMXtVcyMsMnaK+Q== X-Received: by 2002:adf:ef48:: with SMTP id c8mr20954395wrp.103.1566804346029; Mon, 26 Aug 2019 00:25:46 -0700 (PDT) Received: from bender.baylibre.local (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id a26sm10821324wmg.45.2019.08.26.00.25.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Aug 2019 00:25:45 -0700 (PDT) From: Neil Armstrong To: khilman@baylibre.com, jbrunet@baylibre.com Subject: [PATCH v2 3/5] clk: meson: g12a: add support for SM1 DynamIQ Shared Unit clock Date: Mon, 26 Aug 2019 09:25:37 +0200 Message-Id: <20190826072539.27725-4-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190826072539.27725-1-narmstrong@baylibre.com> References: <20190826072539.27725-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190826_002547_673647_BDE5D9E7 X-CRM114-Status: GOOD ( 11.33 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:443 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Neil Armstrong Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org The Amlogic SM1 DynamIQ Shared Unit has a dedicated clock tree similar to the CPU clock tree with a supplementaty mux to select the CPU0 clock instead. Leave this as read-only since it's set up by the early boot stages. Signed-off-by: Neil Armstrong --- drivers/clk/meson/g12a.c | 184 +++++++++++++++++++++++++++++++++++++++ drivers/clk/meson/g12a.h | 15 +++- 2 files changed, 198 insertions(+), 1 deletion(-) diff --git a/drivers/clk/meson/g12a.c b/drivers/clk/meson/g12a.c index 34dfac4b4dc6..e00df17f800a 100644 --- a/drivers/clk/meson/g12a.c +++ b/drivers/clk/meson/g12a.c @@ -676,6 +676,172 @@ static struct clk_regmap g12b_cpub_clk = { }, }; +static struct clk_regmap sm1_gp1_pll; + +/* Datasheet names this field as "premux0" */ +static struct clk_regmap sm1_dsu_clk_premux0 = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL5, + .mask = 0x3, + .shift = 0, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk_dyn0_sel", + .ops = &clk_regmap_mux_ro_ops, + .parent_data = (const struct clk_parent_data []) { + { .fw_name = "xtal", }, + { .hw = &g12a_fclk_div2.hw }, + { .hw = &g12a_fclk_div3.hw }, + { .hw = &sm1_gp1_pll.hw }, + }, + .num_parents = 4, + }, +}; + +/* Datasheet names this field as "premux1" */ +static struct clk_regmap sm1_dsu_clk_premux1 = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL5, + .mask = 0x3, + .shift = 16, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk_dyn1_sel", + .ops = &clk_regmap_mux_ro_ops, + .parent_data = (const struct clk_parent_data []) { + { .fw_name = "xtal", }, + { .hw = &g12a_fclk_div2.hw }, + { .hw = &g12a_fclk_div3.hw }, + { .hw = &sm1_gp1_pll.hw }, + }, + .num_parents = 4, + }, +}; + +/* Datasheet names this field as "Mux0_divn_tcnt" */ +static struct clk_regmap sm1_dsu_clk_mux0_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SYS_CPU_CLK_CNTL5, + .shift = 4, + .width = 6, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk_dyn0_div", + .ops = &clk_regmap_divider_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &sm1_dsu_clk_premux0.hw + }, + .num_parents = 1, + }, +}; + +/* Datasheet names this field as "postmux0" */ +static struct clk_regmap sm1_dsu_clk_postmux0 = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL5, + .mask = 0x1, + .shift = 2, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk_dyn0", + .ops = &clk_regmap_mux_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &sm1_dsu_clk_premux0.hw, + &sm1_dsu_clk_mux0_div.hw, + }, + .num_parents = 2, + }, +}; + +/* Datasheet names this field as "Mux1_divn_tcnt" */ +static struct clk_regmap sm1_dsu_clk_mux1_div = { + .data = &(struct clk_regmap_div_data){ + .offset = HHI_SYS_CPU_CLK_CNTL5, + .shift = 20, + .width = 6, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk_dyn1_div", + .ops = &clk_regmap_divider_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &sm1_dsu_clk_premux1.hw + }, + .num_parents = 1, + }, +}; + +/* Datasheet names this field as "postmux1" */ +static struct clk_regmap sm1_dsu_clk_postmux1 = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL5, + .mask = 0x1, + .shift = 18, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk_dyn1", + .ops = &clk_regmap_mux_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &sm1_dsu_clk_premux1.hw, + &sm1_dsu_clk_mux1_div.hw, + }, + .num_parents = 2, + }, +}; + +/* Datasheet names this field as "Final_dyn_mux_sel" */ +static struct clk_regmap sm1_dsu_clk_dyn = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL5, + .mask = 0x1, + .shift = 10, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk_dyn", + .ops = &clk_regmap_mux_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &sm1_dsu_clk_postmux0.hw, + &sm1_dsu_clk_postmux1.hw, + }, + .num_parents = 2, + }, +}; + +/* Datasheet names this field as "Final_mux_sel" */ +static struct clk_regmap sm1_dsu_final_clk = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL5, + .mask = 0x1, + .shift = 11, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk_final", + .ops = &clk_regmap_mux_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &sm1_dsu_clk_dyn.hw, + &g12a_sys_pll.hw, + }, + .num_parents = 2, + }, +}; + +/* Datasheet names this field as "Cpu_clk_sync_mux_sel" bit 4 */ +static struct clk_regmap sm1_dsu_clk = { + .data = &(struct clk_regmap_mux_data){ + .offset = HHI_SYS_CPU_CLK_CNTL6, + .mask = 0x1, + .shift = 27, + }, + .hw.init = &(struct clk_init_data){ + .name = "dsu_clk", + .ops = &clk_regmap_mux_ro_ops, + .parent_hws = (const struct clk_hw *[]) { + &g12a_cpu_clk.hw, + &sm1_dsu_final_clk.hw, + }, + .num_parents = 2, + }, +}; + static int g12a_cpu_clk_mux_notifier_cb(struct notifier_block *nb, unsigned long event, void *data) { @@ -4401,6 +4567,15 @@ static struct clk_hw_onecell_data sm1_hw_onecell_data = { [CLKID_TS] = &g12a_ts.hw, [CLKID_GP1_PLL_DCO] = &sm1_gp1_pll_dco.hw, [CLKID_GP1_PLL] = &sm1_gp1_pll.hw, + [CLKID_DSU_CLK_DYN0_SEL] = &sm1_dsu_clk_premux0.hw, + [CLKID_DSU_CLK_DYN0_DIV] = &sm1_dsu_clk_premux1.hw, + [CLKID_DSU_CLK_DYN0] = &sm1_dsu_clk_mux0_div.hw, + [CLKID_DSU_CLK_DYN1_SEL] = &sm1_dsu_clk_postmux0.hw, + [CLKID_DSU_CLK_DYN1_DIV] = &sm1_dsu_clk_mux1_div.hw, + [CLKID_DSU_CLK_DYN1] = &sm1_dsu_clk_postmux1.hw, + [CLKID_DSU_CLK_DYN] = &sm1_dsu_clk_dyn.hw, + [CLKID_DSU_CLK_FINAL] = &sm1_dsu_final_clk.hw, + [CLKID_DSU_CLK] = &sm1_dsu_clk.hw, [NR_CLKS] = NULL, }, .num = NR_CLKS, @@ -4623,6 +4798,15 @@ static struct clk_regmap *const g12a_clk_regmaps[] = { &g12b_cpub_clk_trace, &sm1_gp1_pll_dco, &sm1_gp1_pll, + &sm1_dsu_clk_premux0, + &sm1_dsu_clk_premux1, + &sm1_dsu_clk_mux0_div, + &sm1_dsu_clk_postmux0, + &sm1_dsu_clk_mux1_div, + &sm1_dsu_clk_postmux1, + &sm1_dsu_clk_dyn, + &sm1_dsu_final_clk, + &sm1_dsu_clk, }; static const struct reg_sequence g12a_init_regs[] = { diff --git a/drivers/clk/meson/g12a.h b/drivers/clk/meson/g12a.h index e426b4121b7a..6804fcced6b5 100644 --- a/drivers/clk/meson/g12a.h +++ b/drivers/clk/meson/g12a.h @@ -80,6 +80,11 @@ #define HHI_SYS_CPUB_CLK_CNTL1 0x200 #define HHI_SYS_CPUB_CLK_CNTL 0x208 #define HHI_VPU_CLKB_CNTL 0x20C +#define HHI_SYS_CPU_CLK_CNTL2 0x210 +#define HHI_SYS_CPU_CLK_CNTL3 0x214 +#define HHI_SYS_CPU_CLK_CNTL4 0x218 +#define HHI_SYS_CPU_CLK_CNTL5 0x21c +#define HHI_SYS_CPU_CLK_CNTL6 0x220 #define HHI_GEN_CLK_CNTL 0x228 #define HHI_VDIN_MEAS_CLK_CNTL 0x250 #define HHI_MIPIDSI_PHY_CLK_CNTL 0x254 @@ -242,8 +247,16 @@ #define CLKID_CPUB_CLK_TRACE_SEL 240 #define CLKID_CPUB_CLK_TRACE 241 #define CLKID_GP1_PLL_DCO 242 +#define CLKID_DSU_CLK_DYN0_SEL 244 +#define CLKID_DSU_CLK_DYN0_DIV 245 +#define CLKID_DSU_CLK_DYN0 246 +#define CLKID_DSU_CLK_DYN1_SEL 247 +#define CLKID_DSU_CLK_DYN1_DIV 248 +#define CLKID_DSU_CLK_DYN1 249 +#define CLKID_DSU_CLK_DYN 250 +#define CLKID_DSU_CLK_FINAL 251 -#define NR_CLKS 244 +#define NR_CLKS 253 /* include the CLKIDs that have been made part of the DT binding */ #include