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(fttx-pool-80.245.79.199.bambit.de [80.245.79.199]) by mxbox3.masterlogin.de (Postfix) with ESMTPSA id 886BD36054A; Sun, 6 Nov 2022 08:50:42 +0000 (UTC) From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Cc: Frank Wunderlich , Matthias Brugger , Rob Herring , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Sam Shih Subject: [RFC v3 05/11] arm64: dts: mt7986: add mmc related device nodes Date: Sun, 6 Nov 2022 09:50:28 +0100 Message-Id: <20221106085034.12582-6-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221106085034.12582-1-linux@fw-web.de> References: <20221106085034.12582-1-linux@fw-web.de> MIME-Version: 1.0 X-Mail-ID: 107ad7f6-3751-41d1-8083-e99b67535d1e X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS 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?1748736092754703074?= X-GMAIL-MSGID: =?utf-8?q?1748736092754703074?= From: Sam Shih This patch adds mmc support for MT7986. Signed-off-by: Sam Shih Signed-off-by: Frank Wunderlich --- v3: - fix pullups/pulldowns for mt7986a-rfb to have generic bias-pull-* v2: - update mmc-node because clocks changed --- arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 87 ++++++++++++++++++++ arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 15 ++++ 2 files changed, 102 insertions(+) diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts index 2b5d7ea31b4d..e1a0331aaa5f 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts +++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts @@ -5,6 +5,8 @@ */ /dts-v1/; +#include + #include "mt7986a.dtsi" / { @@ -24,6 +26,15 @@ memory@40000000 { reg = <0 0x40000000 0 0x40000000>; }; + reg_1p8v: regulator-1p8v { + compatible = "regulator-fixed"; + regulator-name = "fixed-1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; + reg_3p3v: regulator-3p3v { compatible = "regulator-fixed"; regulator-name = "fixed-3.3V"; @@ -76,7 +87,83 @@ switch: switch@0 { }; }; +&mmc0 { + pinctrl-names = "default", "state_uhs"; + pinctrl-0 = <&mmc0_pins_default>; + pinctrl-1 = <&mmc0_pins_uhs>; + bus-width = <8>; + max-frequency = <200000000>; + cap-mmc-highspeed; + mmc-hs200-1_8v; + mmc-hs400-1_8v; + hs400-ds-delay = <0x14014>; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_1p8v>; + non-removable; + no-sd; + no-sdio; + status = "okay"; +}; + &pio { + mmc0_pins_default: mmc0-pins { + mux { + function = "emmc"; + groups = "emmc_51"; + }; + conf-cmd-dat { + pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2", + "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5", + "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD"; + input-enable; + drive-strength = <4>; + bias-pull-up = ; /* pull-up 10K */ + }; + conf-clk { + pins = "EMMC_CK"; + drive-strength = <6>; + bias-pull-down = ; /* pull-down 50K */ + }; + conf-ds { + pins = "EMMC_DSL"; + bias-pull-down = ; /* pull-down 50K */ + }; + conf-rst { + pins = "EMMC_RSTB"; + drive-strength = <4>; + bias-pull-up = ; /* pull-up 10K */ + }; + }; + + mmc0_pins_uhs: mmc0-uhs-pins { + mux { + function = "emmc"; + groups = "emmc_51"; + }; + conf-cmd-dat { + pins = "EMMC_DATA_0", "EMMC_DATA_1", "EMMC_DATA_2", + "EMMC_DATA_3", "EMMC_DATA_4", "EMMC_DATA_5", + "EMMC_DATA_6", "EMMC_DATA_7", "EMMC_CMD"; + input-enable; + drive-strength = <4>; + bias-pull-up = ; /* pull-up 10K */ + }; + conf-clk { + pins = "EMMC_CK"; + drive-strength = <6>; + bias-pull-down = ; /* pull-down 50K */ + }; + conf-ds { + pins = "EMMC_DSL"; + bias-pull-down = ; /* pull-down 50K */ + }; + conf-rst { + pins = "EMMC_RSTB"; + drive-strength = <4>; + bias-pull-up = ; /* pull-up 10K */ + }; + }; + spi_flash_pins: spi-flash-pins { mux { function = "spi"; diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi index 1c7a973c28ca..32c26b239ae6 100644 --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi @@ -284,6 +284,21 @@ ssusb: usb@11200000 { status = "disabled"; }; + mmc0: mmc@11230000 { + compatible = "mediatek,mt7986-mmc"; + reg = <0 0x11230000 0 0x1000>, + <0 0x11c20000 0 0x1000>; + interrupts = ; + clocks = <&topckgen CLK_TOP_EMMC_416M_SEL>, + <&infracfg CLK_INFRA_MSDC_HCK_CK>, + <&infracfg CLK_INFRA_MSDC_CK>, + <&infracfg CLK_INFRA_MSDC_133M_CK>, + <&infracfg CLK_INFRA_MSDC_66M_CK>; + clock-names = "source", "hclk", "source_cg", "bus_clk", + "sys_cg"; + status = "disabled"; + }; + usb_phy: t-phy@11e10000 { compatible = "mediatek,mt7986-tphy", "mediatek,generic-tphy-v2";