From patchwork Mon Jan 25 17:41:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lucas Stach X-Patchwork-Id: 12043869 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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 67FB6C433E0 for ; Mon, 25 Jan 2021 17:51:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EC8F22D04 for ; Mon, 25 Jan 2021 17:51:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730713AbhAYRvI (ORCPT ); Mon, 25 Jan 2021 12:51:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731221AbhAYRu4 (ORCPT ); Mon, 25 Jan 2021 12:50:56 -0500 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17249C061794 for ; Mon, 25 Jan 2021 09:41:44 -0800 (PST) Received: from [2a0a:edc0:0:1101:1d::39] (helo=dude03.red.stw.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1l45rt-0007rj-NI; Mon, 25 Jan 2021 18:41:37 +0100 From: Lucas Stach To: Stephen Boyd , Shawn Guo , Michael Turquette Cc: Fabio Estevam , NXP Linux Team , Peng Fan , Abel Vesa , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, patchwork-lst@pengutronix.de Subject: [PATCH 3/3] clk: imx8mn: add clkout1/2 support Date: Mon, 25 Jan 2021 18:41:35 +0100 Message-Id: <20210125174135.1223680-3-l.stach@pengutronix.de> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210125174135.1223680-1-l.stach@pengutronix.de> References: <20210125174135.1223680-1-l.stach@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:1101:1d::39 X-SA-Exim-Mail-From: l.stach@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-clk@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org clkout1 and clkout2 allow to supply clocks from the SoC to the board, which is used by some board designs to provide reference clocks. Signed-off-by: Lucas Stach Reviewed-by: Abel Vesa --- This hasn't been tested on HW, but is just based on the reference manual. --- drivers/clk/imx/clk-imx8mn.c | 12 ++++++++++++ include/dt-bindings/clock/imx8mn-clock.h | 9 ++++++++- 2 files changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/clk/imx/clk-imx8mn.c b/drivers/clk/imx/clk-imx8mn.c index 3c21db942d5b..324c5fd0aa04 100644 --- a/drivers/clk/imx/clk-imx8mn.c +++ b/drivers/clk/imx/clk-imx8mn.c @@ -281,6 +281,11 @@ static const char * const imx8mn_clko2_sels[] = {"osc_24m", "sys_pll2_200m", "sy "sys_pll2_166m", "sys_pll3_out", "audio_pll1_out", "video_pll1_out", "osc_32k", }; +static const char * const clkout_sels[] = {"audio_pll1_out", "audio_pll2_out", "video_pll1_out", + "dummy", "dummy", "gpu_pll_out", "dummy", + "arm_pll_out", "sys_pll1", "sys_pll2", "sys_pll3", + "dummy", "dummy", "osc_24m", "dummy", "osc_32k"}; + static struct clk_hw_onecell_data *clk_hw_data; static struct clk_hw **hws; @@ -405,6 +410,13 @@ static int imx8mn_clocks_probe(struct platform_device *pdev) hws[IMX8MN_SYS_PLL2_500M] = imx_clk_hw_fixed_factor("sys_pll2_500m", "sys_pll2_500m_cg", 1, 2); hws[IMX8MN_SYS_PLL2_1000M] = imx_clk_hw_fixed_factor("sys_pll2_1000m", "sys_pll2_out", 1, 1); + hws[IMX8MN_CLK_CLKOUT1_SEL] = imx_clk_hw_mux("clkout1_sel", base + 0x128, 4, 4, clkout_sels, ARRAY_SIZE(clkout_sels)); + hws[IMX8MN_CLK_CLKOUT1_DIV] = imx_clk_hw_divider("clkout1_div", "clkout1_sel", base + 0x128, 0, 4); + hws[IMX8MN_CLK_CLKOUT1] = imx_clk_hw_gate("clkout1", "clkout1_div", base + 0x128, 8); + hws[IMX8MN_CLK_CLKOUT2_SEL] = imx_clk_hw_mux("clkout2_sel", base + 0x128, 20, 4, clkout_sels, ARRAY_SIZE(clkout_sels)); + hws[IMX8MN_CLK_CLKOUT2_DIV] = imx_clk_hw_divider("clkout2_div", "clkout2_sel", base + 0x128, 16, 4); + hws[IMX8MN_CLK_CLKOUT2] = imx_clk_hw_gate("clkout2", "clkout2_div", base + 0x128, 24); + np = dev->of_node; base = devm_platform_ioremap_resource(pdev, 0); if (WARN_ON(IS_ERR(base))) { diff --git a/include/dt-bindings/clock/imx8mn-clock.h b/include/dt-bindings/clock/imx8mn-clock.h index 621ea0e87c67..d24b627cb2e7 100644 --- a/include/dt-bindings/clock/imx8mn-clock.h +++ b/include/dt-bindings/clock/imx8mn-clock.h @@ -234,6 +234,13 @@ #define IMX8MN_CLK_A53_CORE 214 -#define IMX8MN_CLK_END 215 +#define IMX8MN_CLK_CLKOUT1_SEL 215 +#define IMX8MN_CLK_CLKOUT1_DIV 216 +#define IMX8MN_CLK_CLKOUT1 217 +#define IMX8MN_CLK_CLKOUT2_SEL 218 +#define IMX8MN_CLK_CLKOUT2_DIV 219 +#define IMX8MN_CLK_CLKOUT2 220 + +#define IMX8MN_CLK_END 221 #endif