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([92.51.95.194]) by smtp.gmail.com with ESMTPSA id l1-20020a1ced01000000b003f9b0830107sm5107428wmh.41.2023.06.24.06.16.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Jun 2023 06:17:00 -0700 (PDT) From: Maksim Kiselev To: linux-spi@vger.kernel.org Cc: Maksim Kiselev , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Paul Walmsley , Palmer Dabbelt , Albert Ou , Mark Brown , Andre Przywara , Cristian Ciocaltea , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/3] spi: sun6i: add quirk for dual and quad SPI modes support Date: Sat, 24 Jun 2023 16:16:22 +0300 Message-Id: <20230624131632.2972546-2-bigunclemax@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230624131632.2972546-1-bigunclemax@gmail.com> References: <20230624131632.2972546-1-bigunclemax@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1769592154532761139?= X-GMAIL-MSGID: =?utf-8?q?1769592154532761139?= New Allwinner's SPI controllers can support dual and quad SPI modes. To enable one of these modes, we should set the corresponding bit in the SUN6I_BURST_CTL_CNT_REG register. DRM (28 bits) for dual mode and Quad_EN (29 bits) for quad transmission. Signed-off-by: Maksim Kiselev --- drivers/spi/spi-sun6i.c | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c index 30d541612253..cec2747235ab 100644 --- a/drivers/spi/spi-sun6i.c +++ b/drivers/spi/spi-sun6i.c @@ -83,6 +83,9 @@ #define SUN6I_XMIT_CNT_REG 0x34 #define SUN6I_BURST_CTL_CNT_REG 0x38 +#define SUN6I_BURST_CTL_CNT_STC_MASK GENMASK(23, 0) +#define SUN6I_BURST_CTL_CNT_DRM BIT(28) +#define SUN6I_BURST_CTL_CNT_QUAD_EN BIT(29) #define SUN6I_TXDATA_REG 0x200 #define SUN6I_RXDATA_REG 0x300 @@ -90,6 +93,7 @@ struct sun6i_spi_cfg { unsigned long fifo_depth; bool has_clk_ctl; + u32 mode_bits; }; struct sun6i_spi { @@ -266,7 +270,7 @@ static int sun6i_spi_transfer_one(struct spi_master *master, unsigned int div, div_cdr1, div_cdr2, timeout; unsigned int start, end, tx_time; unsigned int trig_level; - unsigned int tx_len = 0, rx_len = 0; + unsigned int tx_len = 0, rx_len = 0, nbits = 0; bool use_dma; int ret = 0; u32 reg; @@ -418,13 +422,29 @@ static int sun6i_spi_transfer_one(struct spi_master *master, sun6i_spi_write(sspi, SUN6I_GBL_CTL_REG, reg); /* Setup the transfer now... */ - if (sspi->tx_buf) + if (sspi->tx_buf) { tx_len = tfr->len; + nbits = tfr->tx_nbits; + } else if (tfr->rx_buf) { + nbits = tfr->rx_nbits; + } + + switch (nbits) { + case SPI_NBITS_DUAL: + reg = SUN6I_BURST_CTL_CNT_DRM; + break; + case SPI_NBITS_QUAD: + reg = SUN6I_BURST_CTL_CNT_QUAD_EN; + break; + case SPI_NBITS_SINGLE: + default: + reg = FIELD_PREP(SUN6I_BURST_CTL_CNT_STC_MASK, tx_len); + } /* Setup the counters */ + sun6i_spi_write(sspi, SUN6I_BURST_CTL_CNT_REG, reg); sun6i_spi_write(sspi, SUN6I_BURST_CNT_REG, tfr->len); sun6i_spi_write(sspi, SUN6I_XMIT_CNT_REG, tx_len); - sun6i_spi_write(sspi, SUN6I_BURST_CTL_CNT_REG, tx_len); if (!use_dma) { /* Fill the TX FIFO */ @@ -623,7 +643,8 @@ static int sun6i_spi_probe(struct platform_device *pdev) master->set_cs = sun6i_spi_set_cs; master->transfer_one = sun6i_spi_transfer_one; master->num_chipselect = 4; - master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; + master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST | + sspi->cfg->mode_bits; master->bits_per_word_mask = SPI_BPW_MASK(8); master->dev.of_node = pdev->dev.of_node; master->auto_runtime_pm = true; From patchwork Sat Jun 24 13:16:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Kiselev X-Patchwork-Id: 112463 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp6410961vqr; Sat, 24 Jun 2023 06:55:33 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4HFAkpps8L2b8/SkCNE0vsN1MLaJ5HdyDyoJPk4FCIOOySaneX7zt3HC9bLGnP8yaxc45c X-Received: by 2002:a17:902:ea10:b0:1ad:e633:ee96 with SMTP id s16-20020a170902ea1000b001ade633ee96mr932433plg.55.1687614932976; Sat, 24 Jun 2023 06:55:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1687614932; cv=none; d=google.com; s=arc-20160816; b=XmJNKZgkms48rBE3+b2oloumU/5Ms4ITdKP2k8l2DWoCnvOIpcE96Pb9TE8H5oDtK6 ZUPzqu2SH/BUhkgLzkO42r7Ge5UICacuS9fVniVKo5IbzHy+IKLSvSQ/AEnfbhP72ulZ MqSCnrPs2U898jYyGU/gEe30U8SEZPP5YCCbZ8ISmrEpzxTAr0rbHrxfr/lRNLsKtLhS ge1vIEFUop7JM2e142K3BZ/M5Bn63yRaH7OOV/cONd3phy5AwEsYxlRTRpXUzB3GOA1X HQxMdNecRFomxWbfqACkwWmPIGXwwcSqqumNw37rDX+ZVUyBbY2tS48d9JpU+61C1ctY 9wkQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=Ou3Llv8LccPhD+lVAZHU8h+Zxb2u2iNeLld4FYbDCL0=; fh=YH1c45Mpge+xNtJ1kFOxdo+BPPBT7vhfLXRnLmCy8mI=; b=zxrJ2N6zyvNYq3ZjFfPLJnf2Z/bbclozmPtlFFbAxPSArTiytsGo8kz5JAKTNiWtdA 5qoQUJjB/xA57ZvwY7gtKsF1Ner6AsVk6+TbrNqXOykXLlwG06vaW7d1TNy0Wpv2KV/0 JOnjsHai6DrodMWEFKdmhlSJJWvBbmIknu/DCNN4Lz9J0V221Pvec0Fh7F+SPoK52ONp zQ++yhfe54D5nhi4p+8FhPipnDGOJ2DTxWJq8aLZyhfYa0oe2lFuDQr31rkha3La6htx DdHlu6oHoZlU2wp0Fq6rQ/WE8uV/djwBMrBmbsNg31MpOxWcBmCndZUBrBJ+szUORsac MQMQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=NLvKfkmO; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (out1.vger.email. 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([92.51.95.194]) by smtp.gmail.com with ESMTPSA id l1-20020a1ced01000000b003f9b0830107sm5107428wmh.41.2023.06.24.06.17.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Jun 2023 06:17:07 -0700 (PDT) From: Maksim Kiselev To: linux-spi@vger.kernel.org Cc: Maksim Kiselev , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Paul Walmsley , Palmer Dabbelt , Albert Ou , Mark Brown , Andre Przywara , Cristian Ciocaltea , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 2/3] spi: sun6i: add dual and quad SPI modes support for R329/D1/R528/T113s Date: Sat, 24 Jun 2023 16:16:23 +0300 Message-Id: <20230624131632.2972546-3-bigunclemax@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230624131632.2972546-1-bigunclemax@gmail.com> References: <20230624131632.2972546-1-bigunclemax@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1769592515589914630?= X-GMAIL-MSGID: =?utf-8?q?1769592515589914630?= Listed SoCs have SPI controllers that can operate in dual or quad modes. This patch adds dual/quad mode bits for spi_master on these SoCS. Signed-off-by: Maksim Kiselev --- drivers/spi/spi-sun6i.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c index cec2747235ab..e9144d76bcdb 100644 --- a/drivers/spi/spi-sun6i.c +++ b/drivers/spi/spi-sun6i.c @@ -761,6 +761,7 @@ static const struct sun6i_spi_cfg sun8i_h3_spi_cfg = { static const struct sun6i_spi_cfg sun50i_r329_spi_cfg = { .fifo_depth = SUN8I_FIFO_DEPTH, + .mode_bits = SPI_RX_DUAL | SPI_TX_DUAL | SPI_RX_QUAD | SPI_TX_QUAD, }; static const struct of_device_id sun6i_spi_match[] = { From patchwork Sat Jun 24 13:16:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxim Kiselev X-Patchwork-Id: 112466 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:994d:0:b0:3d9:f83d:47d9 with SMTP id k13csp6413435vqr; Sat, 24 Jun 2023 07:00:54 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ4mJhJc0HznO84RhZcX01EXXRq1LI7hpGIAms7HVgQUhf9QHLOK/9dPRucWz2anmlg5fawt X-Received: by 2002:a05:6a00:139a:b0:668:725c:32aa with SMTP id t26-20020a056a00139a00b00668725c32aamr25758089pfg.3.1687615254362; Sat, 24 Jun 2023 07:00:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1687615254; cv=none; d=google.com; s=arc-20160816; b=OsokZvLtspgSIbxVGhXOQHv7JuMDNnHMRDoxpZgO+h595uJ+3EnqnGzsaUOPAr/g2M nnVdlANryfPDUvC9EPXzNF2yfL6EAK3eephjWKk/0dqDtJYF4p0j0uXAfUhKVpRmv+8v IHLmtULdsWFaUHdrG/oGy1VXXo7PxLxGdSLeT4WLS5uQMU8y/bjpPD7eAct+i6RTzjhs ViaQyTCCAVYlwtwtOOMraXyhHgwcfE6+bPNLa0zWZZD2lQvjqgnpG+yWGFxdEHbS/8em ZViiac8smAfEguBzxu8dybJRtNy4E9cpJb9yDpB6tmNaUhb1t/qk7s6/o0vSiNAlWZFC 9G9A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=KAYPGxSTFPjM3RqhwW9I/u0fjI7Fx45EUbdLcf3Fbbk=; fh=fp76aqemLGF+iYAvewDQOqcqTXOKVHDUBfz8jk6CJLc=; b=c3QBSQt+bHdbTO9uBCoZJcNzghbS8NSlGXz1gCILsQuKQlygODujA7o1YvXg6aV9g9 lN/Oa1WvoG1oV3byiXxqQRbKsugZEviFvz0WaCENYV8Ym4/m8uSsdDEThKZjkGikSh4t JkE86NvMTNm0i8i6MQtgD/bvBwrYgDuh5lSuDLM72lXJjQq0ZrdUITz9vwr/SeLn6tWk alyAA23dd+TAvXh/6kQ78OAdXqs4xBP0sEpC0os38/hLh2LAWHHclUm4pL/AAqzkaipQ 2QMLh09aSs+OsNImnHk/bGwovqhZNPAZ/dXeOO80wmZksbzR1EYwB+8r2XOsobNM/iH4 TGpA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20221208 header.b=RTqZRv+k; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (out1.vger.email. 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([92.51.95.194]) by smtp.gmail.com with ESMTPSA id l1-20020a1ced01000000b003f9b0830107sm5107428wmh.41.2023.06.24.06.17.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Jun 2023 06:17:15 -0700 (PDT) From: Maksim Kiselev To: linux-spi@vger.kernel.org Cc: Maksim Kiselev , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Mark Brown , Cristian Ciocaltea , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v1 3/3] riscv: dts: allwinner: d1: Add QSPI pins node for pinmux PC port Date: Sat, 24 Jun 2023 16:16:24 +0300 Message-Id: <20230624131632.2972546-4-bigunclemax@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230624131632.2972546-1-bigunclemax@gmail.com> References: <20230624131632.2972546-1-bigunclemax@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1769592852752322422?= X-GMAIL-MSGID: =?utf-8?q?1769592852752322422?= Add pinmux node that describes pins on PC port which required for QSPI mode. Signed-off-by: Maksim Kiselev Acked-by: Jernej Skrabec --- arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi index 1bb1e5cae602..9f754dd03d85 100644 --- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi +++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi @@ -131,6 +131,13 @@ uart3_pb_pins: uart3-pb-pins { pins = "PB6", "PB7"; function = "uart3"; }; + + /omit-if-no-ref/ + qspi0_pc_pins: qspi0-pc-pins { + pins = "PC2", "PC3", "PC4", "PC5", "PC6", + "PC7"; + function = "spi0"; + }; }; ccu: clock-controller@2001000 {