From patchwork Thu Nov 10 15:00:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viacheslav X-Patchwork-Id: 13038867 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 11BA4C4332F for ; Thu, 10 Nov 2022 15:01:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type: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:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FStXshxS3lxRfXxnUFu+sRfPac6G4ce87HVX9o6vHCU=; b=qtMw27pcqhljc3 fZSmywDmZHj87UDQ+3QYxSmqVZl6RCYgWNzh/4e819U+bp0Gjq5eKNrCXGzR6ZeERhrHHtychKAtM k7YsoMb3WdJ/I/s85WCuRchOtwTIHnU9opNmqPIlD0UeV0hBg23+t7oji5H+FmC10VPFkTziFpNxA dMOdJ6qiYemunxjTJ9K3AYxSKP6KOpvgb9MBpU6C8iBuL+oMj0gaUI/Dt4zOcEPaTGVGSJ2iBTlFQ LA9y23fC6VFCKIVlyve0LwE4W6f75wm8xvm+eUY3FTsLMFyJp8GPM3nWPkar6A376GRp8d+dEUNrX AF04cCjhYL9YUdgSfXAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ot93R-006Yzt-3T; Thu, 10 Nov 2022 15:01:21 +0000 Received: from mx.msync.work ([185.250.0.168]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ot93N-006Yvw-TE; Thu, 10 Nov 2022 15:01:20 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 41848123166; Thu, 10 Nov 2022 15:01:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lexina.in; s=dkim; t=1668092467; h=from:subject:date:message-id:to:mime-version: content-transfer-encoding:in-reply-to:references; bh=ZftRKqAeH5kEZiPRpVJLIZ6Af/f8rleyvcwfQTNcp7I=; b=iBqP2MLxyMk8eCbFAdaeuExuIOALRKLLZSDpRtsRyVV6+urGSwF4pvBL4sqhn2FKo5pIcG 9RukbBC9aFvVOD0PBymrIR8Yl5tG0APoGBPTtAZqYX0llwiGPdtkso+w3R5S5vx36iaKTd G1Oib53dVrYaq5ywCwggn5htG64J3Ifgku9cs9CZMYzXxYCfx2hbCdkfS9/Ne9qjRnm3jH KdJlzMNyepdljw4YnL0PXZjRxXWWscIGgIRPSVpCt0bIdzVhi1UsGE4yQbBKD9IMwzGBAL IcWrMtnp4/4GuFYrvG4QUS5q693UmEdH1f4hFdV4N3nk0etdMhYv0dF8Ku3hOw== From: Vyacheslav Bocharov To: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] arm64: amlogic: mmc: meson-gx: Add core, tx, rx eMMC/SD/SDIO phase clock settings from devicetree data Date: Thu, 10 Nov 2022 18:00:32 +0300 Message-Id: <20221110150035.2824580-2-adeep@lexina.in> In-Reply-To: <20221110150035.2824580-1-adeep@lexina.in> References: <20221110150035.2824580-1-adeep@lexina.in> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221110_070118_516554_7042DC77 X-CRM114-Status: UNSURE ( 8.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org The mmc driver has the same phase values for all meson platforms. However, some platforms (and even some boards) require different values. This patch transfers the values from the set in the code to the variables in the device-tree file. Signed-off-by: Vyacheslav Bocharov diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index df05e60bed9a..c0f32054e472 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -27,6 +27,7 @@ #include #include #include +#include #define DRIVER_NAME "meson-gx-mmc" @@ -36,8 +37,6 @@ #define CLK_CORE_PHASE_MASK GENMASK(9, 8) #define CLK_TX_PHASE_MASK GENMASK(11, 10) #define CLK_RX_PHASE_MASK GENMASK(13, 12) -#define CLK_PHASE_0 0 -#define CLK_PHASE_180 2 #define CLK_V2_TX_DELAY_MASK GENMASK(19, 16) #define CLK_V2_RX_DELAY_MASK GENMASK(23, 20) #define CLK_V2_ALWAYS_ON BIT(24) @@ -428,13 +427,22 @@ static int meson_mmc_clk_init(struct meson_host *host) const char *mux_parent_names[MUX_CLK_NUM_PARENTS]; const char *clk_parent[1]; u32 clk_reg; + u32 phase[3]; // + + if (!(host->dev && host->dev->of_node) || (device_property_read_u32_array(host->dev, + "amlogic,mmc-phase", phase, 3) < 0)) { + dev_dbg(host->dev, "get amlogic,mmc-phase failed, use default phase settings\n"); + phase[0] = CLK_PHASE_180; + phase[1] = CLK_PHASE_0; + phase[2] = CLK_PHASE_0; + } /* init SD_EMMC_CLOCK to sane defaults w/min clock rate */ clk_reg = CLK_ALWAYS_ON(host); clk_reg |= CLK_DIV_MASK; - clk_reg |= FIELD_PREP(CLK_CORE_PHASE_MASK, CLK_PHASE_180); - clk_reg |= FIELD_PREP(CLK_TX_PHASE_MASK, CLK_PHASE_0); - clk_reg |= FIELD_PREP(CLK_RX_PHASE_MASK, CLK_PHASE_0); + clk_reg |= FIELD_PREP(CLK_CORE_PHASE_MASK, phase[0]); + clk_reg |= FIELD_PREP(CLK_TX_PHASE_MASK, phase[1]); + clk_reg |= FIELD_PREP(CLK_RX_PHASE_MASK, phase[2]); clk_reg |= CLK_IRQ_SDIO_SLEEP(host); writel(clk_reg, host->regs + SD_EMMC_CLOCK); From patchwork Thu Nov 10 15:00:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viacheslav X-Patchwork-Id: 13038869 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id DCE2DC433FE for ; Thu, 10 Nov 2022 15:01:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type: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:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=n4W8vRRqzffUKber3l+cYPmEM6t4GvZIRh/BopN60uA=; b=2ZLfM/R1SinWbC uQmtkPo4CnYPBvarW7TSoPkJZWv8lnuBqh3KCOeaAALOqQkUGBMYyJW2uGnf71H5Trw3o32ev4YSs pw2YzhW/+BpbR61Bi9A9FKofl0FJfaayd7qMw9IxBjx2/75KW+hhF40vF+b1Jj7gPzAQWp5P2XmpG sWH+CTLNhwSJSQDVUgjK6B4KCMErno1WhvMMyEgm8euzdCQD7Ho5zpov775LBRRhSuHoKQsNyfNd5 gR/uVJXLtO73W2vBbH4Z5NfhDRNf2JgvWb8cFRMIwNL4woGwEb9Ad7oBMg5WzvE2ndtFjmqpVw4X1 maK9OHgUBPOgVOLmc7jw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ot93k-006Z7P-PJ; Thu, 10 Nov 2022 15:01:40 +0000 Received: from mx.msync.work ([185.250.0.168]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ot93O-006Yw2-W9; Thu, 10 Nov 2022 15:01:21 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id E961B1231BF; Thu, 10 Nov 2022 15:01:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lexina.in; s=dkim; t=1668092468; h=from:subject:date:message-id:to:mime-version: content-transfer-encoding:in-reply-to:references; bh=1SsZIFbb2kZbNj0UZIQdbQ3Ryb9RW7TBdyeqOwWDSP8=; b=Kcgutp29e8mIhN54VxuwUvbroBo4WK8m4eNhrhlJzw/isHYXIGIy0+z/Mn9Uxu5pG/p8MG RoVPKrWlmAcR4eC7fA/qprLwh8TCN7p9NKqYUhF25AqUxKjm7HkjdKS4LAdtyHlMw2UNGH eCrbkPSpeoVdGvezxtTQ4OWg3ChMIuwZakR7YGF+ZroxS66W5tzV+9QBEnLJf1Kmk8W4dh LlUOtnkfzcKn3y4TQOz0OAQs/C4na6tkr9lW5Jw65ZFE10L6wwZPCvmDg4lYwIu8I8Gvqn 7lvG++NWulRBJygF1QRUbZu+RvG4koI+zpW1D9r4WaXqbr9W8mHJphHtCDqK5A== From: Vyacheslav Bocharov To: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] arm64: amlogic: mmc: meson-gx: Add dts binding include for core, tx, rx eMMC/SD/SDIO phase clock settings from devicetree data Date: Thu, 10 Nov 2022 18:00:33 +0300 Message-Id: <20221110150035.2824580-3-adeep@lexina.in> In-Reply-To: <20221110150035.2824580-1-adeep@lexina.in> References: <20221110150035.2824580-1-adeep@lexina.in> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221110_070119_251262_1EE67FFC X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org The mmc driver has the same phase values for all meson platforms. However, some platforms (and even some boards) require different values. This patch transfers the values from the set in the code to the variables in the device-tree file. Signed-off-by: Vyacheslav Bocharov create mode 100644 include/dt-bindings/mmc/meson-gx-mmc.h diff --git a/include/dt-bindings/mmc/meson-gx-mmc.h b/include/dt-bindings/mmc/meson-gx-mmc.h new file mode 100644 index 000000000000..cfc4a9d75b2b --- /dev/null +++ b/include/dt-bindings/mmc/meson-gx-mmc.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */ +/* + * Copyright (c) 2022 JetHome, Vyacheslav Bocharov + * Author: Vyacheslav Bocharov + */ + +#ifndef _DT_BINDINGS_MESON_GX_MMC_H +#define _DT_BINDINGS_MESON_GX_MMC_H + +/* + * Cfg_rx_phase: RX clock phase + * bits: 9:8 R/W + * default: 0 + * Recommended value: 0 + * + * Cfg_tx_phase: TX clock phase + * bits: 9:8 R/W + * default: 0 + * Recommended value: 2 + * + * Cfg_co_phase: Core clock phase + * bits: 9:8 R/W + * default: 0 + * Recommended value: 2 + * + * values: 0: 0 phase, 1: 90 phase, 2: 180 phase, 3: 270 phase. + */ + +#define CLK_PHASE_0 0 +#define CLK_PHASE_90 1 +#define CLK_PHASE_180 2 +#define CLK_PHASE_270 3 + + +#endif From patchwork Thu Nov 10 15:00:34 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viacheslav X-Patchwork-Id: 13038868 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id EE961C43217 for ; Thu, 10 Nov 2022 15:01:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type: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:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=9ljoImq5QjdTyIwQUMkJOmSKwBz7yEdiCi8uU7OJw2s=; b=cXLHgdU4ZQ/jxC j/A0Hy2Y2hksAaoIOF+5VkdYbB3J7YEH71xZACA1zWxMGg2pibDgoTvrFnJxPE2aiDFiGM3CrLlMH OfvVYAUGfhZ5BHRdgN/Iz/3lkVpUYJwS+1PtfbABcXr4NNch4Oh66rxfjuq4+BfM2mJlgINIRw/FT WU28NVeVEM7l6f4ynfbbKhqSR1Ave+AEghxAY79kSnek3PX6y5PY7BLJCXzeqUGWYkYcyElYTvEbj 1eGsahdjlTMWzQoVQiZmWUcoVu8hgsgtrPKzW80Ap9Cepo/YFGZ9a/lEh0fzDHHbjAOKuAMT5MH46 /oATXqr3q7Ec7Thms+6w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ot93k-006Z7A-Fv; Thu, 10 Nov 2022 15:01:40 +0000 Received: from mx.msync.work ([185.250.0.168]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ot93P-006Yw6-0X; Thu, 10 Nov 2022 15:01:21 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 34BBB123168; Thu, 10 Nov 2022 15:01:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lexina.in; s=dkim; t=1668092468; h=from:subject:date:message-id:to:mime-version: content-transfer-encoding:in-reply-to:references; bh=Jf+vZoPV0FHlsn9qxpwdS7gnzfJHE2b58/441SOarFU=; b=VQY69PSkBelUIGvZKCjlAd2YccpcG8fqZekly+G0yFZrF8r0ErEJ487D4XUuI9kD3H+VO9 J82upNxvAUq56+os5JMz3NM3WuXqVOWrzz5dX4r4I573Pe7/6oJ3UA5iLvp84r4ZdGBcTM 0DlTZViQHgjFDQDg1L00+K1BERqUT6ZuyrSVcLolrQ9xNxojOasoMMFJ+g0mpblzpqSt6X 1LuqhbRCsvk8d3k29GhcXCzzyx87FUJOykY8UwR2WkuSw+21iA8Yx9JF8Mom5u+s1ibnww NPKlSy5JVdAL2JSt+aPxbmx3q+eMV42QBMU4J/GY4SlnXC2yff8Qm2Y/baufhw== From: Vyacheslav Bocharov To: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 3/4] arm64: amlogic: dts: meson: update meson-axg device-tree for new core, tx, rx phase clock settings. Date: Thu, 10 Nov 2022 18:00:34 +0300 Message-Id: <20221110150035.2824580-4-adeep@lexina.in> In-Reply-To: <20221110150035.2824580-1-adeep@lexina.in> References: <20221110150035.2824580-1-adeep@lexina.in> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221110_070119_259121_09FFF7A7 X-CRM114-Status: UNSURE ( 5.90 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Use phase 270 for core MMC clock on axg meson boards. Tested on JetHub J100/110 devices. Signed-off-by: Vyacheslav Bocharov diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi index 04f797b5a012..0af4784d84c7 100644 --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi @@ -13,6 +13,7 @@ #include #include #include +#include / { compatible = "amlogic,meson-axg"; @@ -1891,6 +1892,7 @@ sd_emmc_b: sd@5000 { <&clkc CLKID_SD_EMMC_B_CLK0>, <&clkc CLKID_FCLK_DIV2>; clock-names = "core", "clkin0", "clkin1"; + amlogic,mmc-phase = ; resets = <&reset RESET_SD_EMMC_B>; }; @@ -1904,6 +1906,7 @@ sd_emmc_c: mmc@7000 { <&clkc CLKID_FCLK_DIV2>; clock-names = "core", "clkin0", "clkin1"; resets = <&reset RESET_SD_EMMC_C>; + amlogic,mmc-phase = ; }; usb2_phy1: phy@9020 { From patchwork Thu Nov 10 15:00:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Viacheslav X-Patchwork-Id: 13038870 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 306AEC4332F for ; Thu, 10 Nov 2022 15:01:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type: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:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LsfoObwdwH/ene34FV0Y4c07OpVu0+qlNEW56iHly/A=; b=Mj/IXwpfuq0Vrm hkEeYoHZCpqaEMeDnuXrZOhsR66fXnENiwH1GBf3QrkyOsnNavpanvYDM0PdeKemBj71oTd1UR2QU WSyfhfaCI1VCIXUB74hDkaC6KEVxEocKcz5P/Uf7V+NcAQw5JbUbjYU6HLRHoW0y7ODQ7cTsK83wo W4qZUtsuZ17d7DexzmBK7WcYWaM0K9j+wulI3+Fwpkp4DPlLJ9TZP186pNXD67O2lBiC5xcp0jZNQ Lt35pfOWAX9/LzoVeHZgH3YnjaVzEFu6rWTB81CqqHB1YRwCTDCHdnnTxAp1KmzVwRyQdC1dHAVkd rsvP06dP30QVS1knExKA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1ot93l-006Z82-6o; Thu, 10 Nov 2022 15:01:41 +0000 Received: from mx.msync.work ([185.250.0.168]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1ot93O-006Yw7-WA; Thu, 10 Nov 2022 15:01:21 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id F14AD123169; Thu, 10 Nov 2022 15:01:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lexina.in; s=dkim; t=1668092469; h=from:subject:date:message-id:to:mime-version: content-transfer-encoding:in-reply-to:references; bh=dONz83S/sl0lvYKGXEj7vcvWK71sD2+ztpm57yFpufg=; b=OTavFoQLMbkEqY41c8FhiUtigQYo9tCEen8cj5clEkrfIdSs/a2eaDQC69VZY0uoB2otoN ++qyL00LAa2ymvVaLaAGYwr8PD0HNk97Qd40oz/Wl1PGUx/mTFQYYzZNFsM+UkwvhUlrPU b59Au0227AfMxPCq0qq0vaLAwxlBWdoCxPooBnfsCwmAIjkZdp0SmUoosZ8e3TL2eAIvEx ScisEvn3ghRTbEUg/EeAHFm1B9EHSvfiMT2mvvWYbLnEUc4EJitW3mJ6kCZPjRdFiVyV5x lZmA9Y/zZoI+PQDDl0JNUuLKyemTzhFLZe/AfNsqGhBY8ukXMVPAJBg3rvGmPQ== From: Vyacheslav Bocharov To: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/4] arm64: dts: docs: Update mmc meson-gx documentation for new config option amlogic,mmc-phase Date: Thu, 10 Nov 2022 18:00:35 +0300 Message-Id: <20221110150035.2824580-5-adeep@lexina.in> In-Reply-To: <20221110150035.2824580-1-adeep@lexina.in> References: <20221110150035.2824580-1-adeep@lexina.in> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221110_070119_258047_DE9B8FEB X-CRM114-Status: UNSURE ( 5.51 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org - amlogic,mmc-phases: 3-element array of clock phases for core, tx, rx clock with values: 0: CLK_PHASE_0 - 0 phase 1: CLK_PHASE_90 - 90 phase 2: CLK_PHASE_180 - 180 phase 3: CLK_PHASE_270 - 270 phase By default driver use value. Signed-off-by: Vyacheslav Bocharov diff --git a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt index ccc5358db131..98c89c5b3455 100644 --- a/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt +++ b/Documentation/devicetree/bindings/mmc/amlogic,meson-gx.txt @@ -25,6 +25,12 @@ Required properties: Optional properties: - amlogic,dram-access-quirk: set when controller's internal DMA engine cannot access the DRAM memory, like on the G12A dedicated SDIO controller. +- amlogic,mmc-phases: 3-element array of clock phases for core, tx, rx clock with values: + 0: CLK_PHASE_0 - 0 phase + 1: CLK_PHASE_90 - 90 phase + 2: CLK_PHASE_180 - 180 phase + 3: CLK_PHASE_270 - 270 phase + By default driver use value. Example: @@ -36,4 +42,5 @@ Example: clock-names = "core", "clkin0", "clkin1"; pinctrl-0 = <&emmc_pins>; resets = <&reset RESET_SD_EMMC_A>; + amlogic,mmc-phases = ; };