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Wed, 02 Jun 2021 12:28:15 -0700 (PDT) From: Al Cooper To: linux-kernel@vger.kernel.org Cc: Al Cooper , Adrian Hunter , bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, Nicolas Saenz Julienne , Ray Jui , Rob Herring , Scott Branden , Ulf Hansson Subject: [PATCH 1/2] dt-bindings: mmc: sdhci-iproc: Add brcm,bcm7211a0-sdhci Date: Wed, 2 Jun 2021 15:27:57 -0400 Message-Id: <20210602192758.38735-1-alcooperx@gmail.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_122918_546441_C7ABC91A X-CRM114-Status: UNSURE ( 9.78 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add new compatible string for the legacy sdhci controller on the BCM7211 family of SoC's. Signed-off-by: Al Cooper Acked-by: Rob Herring --- Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml | 1 + 1 file changed, 1 insertion(+) base-commit: 97e5bf604b7a0d6e1b3e00fe31d5fd4b9bffeaae diff --git a/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml index 6f569fbfa134..2f63f2cdeb71 100644 --- a/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml +++ b/Documentation/devicetree/bindings/mmc/brcm,iproc-sdhci.yaml @@ -21,6 +21,7 @@ properties: - brcm,bcm2711-emmc2 - brcm,sdhci-iproc-cygnus - brcm,sdhci-iproc + - brcm,bcm7211a0-sdhci reg: minItems: 1 From patchwork Wed Jun 2 19:27:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Cooper X-Patchwork-Id: 12295605 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=-10.9 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,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 E2CABC47083 for ; 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Wed, 02 Jun 2021 12:28:23 -0700 (PDT) Received: from stbsrv-and-01.and.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id m134sm349882pfd.148.2021.06.02.12.28.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 12:28:22 -0700 (PDT) From: Al Cooper To: linux-kernel@vger.kernel.org Cc: Al Cooper , Adrian Hunter , bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mmc@vger.kernel.org, Nicolas Saenz Julienne , Ray Jui , Rob Herring , Scott Branden , Ulf Hansson Subject: [PATCH 2/2] mmc: sdhci-iproc: Add support for the legacy sdhci controller on the BCM7211 Date: Wed, 2 Jun 2021 15:27:58 -0400 Message-Id: <20210602192758.38735-2-alcooperx@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210602192758.38735-1-alcooperx@gmail.com> References: <20210602192758.38735-1-alcooperx@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_122825_053908_B2C768B8 X-CRM114-Status: GOOD ( 18.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for the legacy Arasan sdhci controller on the BCM7211 and related SoC's. This includes adding a .shutdown callback to increase the power savings during S5. Signed-off-by: Al Cooper --- drivers/mmc/host/Kconfig | 2 +- drivers/mmc/host/sdhci-iproc.c | 30 ++++++++++++++++++++++++++++++ drivers/mmc/host/sdhci.h | 2 ++ 3 files changed, 33 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index a4d4c757eea0..561184fa7eb9 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -412,7 +412,7 @@ config MMC_SDHCI_MILBEAUT config MMC_SDHCI_IPROC tristate "SDHCI support for the BCM2835 & iProc SD/MMC Controller" - depends on ARCH_BCM2835 || ARCH_BCM_IPROC || COMPILE_TEST + depends on ARCH_BCM2835 || ARCH_BCM_IPROC || ARCH_BRCMSTB || COMPILE_TEST depends on MMC_SDHCI_PLTFM depends on OF || ACPI default ARCH_BCM_IPROC diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c index ddeaf8e1f72f..cce390fe9cf3 100644 --- a/drivers/mmc/host/sdhci-iproc.c +++ b/drivers/mmc/host/sdhci-iproc.c @@ -286,11 +286,35 @@ static const struct sdhci_iproc_data bcm2711_data = { .mmc_caps = MMC_CAP_3_3V_DDR, }; +static const struct sdhci_pltfm_data sdhci_bcm7211a0_pltfm_data = { + .quirks = SDHCI_QUIRK_MISSING_CAPS | + SDHCI_QUIRK_BROKEN_TIMEOUT_VAL | + SDHCI_QUIRK_BROKEN_DMA | + SDHCI_QUIRK_BROKEN_ADMA, + .ops = &sdhci_iproc_ops, +}; + +#define BCM7211A0_BASE_CLK_MHZ 100 +static const struct sdhci_iproc_data bcm7211a0_data = { + .pdata = &sdhci_bcm7211a0_pltfm_data, + .caps = ((BCM7211A0_BASE_CLK_MHZ / 2) << SDHCI_TIMEOUT_CLK_SHIFT) | + (BCM7211A0_BASE_CLK_MHZ << SDHCI_CLOCK_BASE_SHIFT) | + ((0x2 << SDHCI_MAX_BLOCK_SHIFT) + & SDHCI_MAX_BLOCK_MASK) | + SDHCI_CAN_VDD_330 | + SDHCI_CAN_VDD_180 | + SDHCI_CAN_DO_SUSPEND | + SDHCI_CAN_DO_HISPD, + .caps1 = SDHCI_DRIVER_TYPE_C | + SDHCI_DRIVER_TYPE_D, +}; + static const struct of_device_id sdhci_iproc_of_match[] = { { .compatible = "brcm,bcm2835-sdhci", .data = &bcm2835_data }, { .compatible = "brcm,bcm2711-emmc2", .data = &bcm2711_data }, { .compatible = "brcm,sdhci-iproc-cygnus", .data = &iproc_cygnus_data}, { .compatible = "brcm,sdhci-iproc", .data = &iproc_data }, + { .compatible = "brcm,bcm7211a0-sdhci", .data = &bcm7211a0_data }, { } }; MODULE_DEVICE_TABLE(of, sdhci_iproc_of_match); @@ -384,6 +408,11 @@ static int sdhci_iproc_probe(struct platform_device *pdev) return ret; } +static void sdhci_iproc_shutdown(struct platform_device *pdev) +{ + sdhci_pltfm_suspend(&pdev->dev); +} + static struct platform_driver sdhci_iproc_driver = { .driver = { .name = "sdhci-iproc", @@ -394,6 +423,7 @@ static struct platform_driver sdhci_iproc_driver = { }, .probe = sdhci_iproc_probe, .remove = sdhci_pltfm_unregister, + .shutdown = sdhci_iproc_shutdown, }; module_platform_driver(sdhci_iproc_driver); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 0770c036e2ff..c35ed4be75b7 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -201,8 +201,10 @@ #define SDHCI_CAPABILITIES 0x40 #define SDHCI_TIMEOUT_CLK_MASK GENMASK(5, 0) +#define SDHCI_TIMEOUT_CLK_SHIFT 0 #define SDHCI_TIMEOUT_CLK_UNIT 0x00000080 #define SDHCI_CLOCK_BASE_MASK GENMASK(13, 8) +#define SDHCI_CLOCK_BASE_SHIFT 8 #define SDHCI_CLOCK_V3_BASE_MASK GENMASK(15, 8) #define SDHCI_MAX_BLOCK_MASK 0x00030000 #define SDHCI_MAX_BLOCK_SHIFT 16