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arm64: dts: renesas: rzg2ul-smarc-som: Enable eMMC on SMARC platform
RZ/G2UL SoM has both 64GB eMMC and microSD connected to SDHI0. Both these interfaces are mutually exclusive and the SD0 device selection is based on SW1[2] on SoM module. Set SW1[2] to position OFF for selecting eMMC Set SW1[2] to position ON for selecting microSD This patch enables eMMC on RZ/G2UL SMARC platform by default. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20220402081328.26292-7-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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2 changed files with 112 additions and 0 deletions
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@ -19,6 +19,15 @@ memory@48000000 {
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reg = <0x0 0x48000000 0x0 0x38000000>;
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reg = <0x0 0x48000000 0x0 0x38000000>;
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};
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};
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reg_1p8v: regulator0 {
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compatible = "regulator-fixed";
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regulator-name = "fixed-1.8V";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-boot-on;
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regulator-always-on;
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};
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reg_3p3v: regulator1 {
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reg_3p3v: regulator1 {
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compatible = "regulator-fixed";
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compatible = "regulator-fixed";
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regulator-name = "fixed-3.3V";
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regulator-name = "fixed-3.3V";
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@ -27,8 +36,103 @@ reg_3p3v: regulator1 {
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regulator-boot-on;
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regulator-boot-on;
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regulator-always-on;
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regulator-always-on;
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};
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};
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#if !(SW_SW0_DEV_SEL)
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vccq_sdhi0: regulator-vccq-sdhi0 {
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compatible = "regulator-gpio";
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regulator-name = "SDHI0 VccQ";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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states = <3300000 1>, <1800000 0>;
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regulator-boot-on;
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gpios = <&pinctrl RZG2L_GPIO(6, 2) GPIO_ACTIVE_HIGH>;
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regulator-always-on;
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};
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#endif
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};
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};
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&extal_clk {
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&extal_clk {
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clock-frequency = <24000000>;
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clock-frequency = <24000000>;
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};
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};
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&pinctrl {
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sdhi0_emmc_pins: sd0emmc {
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sd0_emmc_data {
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pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3",
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"SD0_DATA4", "SD0_DATA5", "SD0_DATA6", "SD0_DATA7";
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power-source = <1800>;
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};
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sd0_emmc_ctrl {
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pins = "SD0_CLK", "SD0_CMD";
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power-source = <1800>;
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};
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sd0_emmc_rst {
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pins = "SD0_RST#";
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power-source = <1800>;
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};
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};
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sdhi0_pins: sd0 {
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sd0_data {
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pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
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power-source = <3300>;
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};
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sd0_ctrl {
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pins = "SD0_CLK", "SD0_CMD";
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power-source = <3300>;
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};
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sd0_mux {
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pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */
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};
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};
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sdhi0_pins_uhs: sd0_uhs {
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sd0_data_uhs {
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pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3";
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power-source = <1800>;
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};
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sd0_ctrl_uhs {
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pins = "SD0_CLK", "SD0_CMD";
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power-source = <1800>;
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};
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sd0_mux_uhs {
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pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */
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};
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};
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};
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#if (SW_SW0_DEV_SEL)
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&sdhi0 {
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pinctrl-0 = <&sdhi0_emmc_pins>;
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pinctrl-1 = <&sdhi0_emmc_pins>;
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pinctrl-names = "default", "state_uhs";
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vmmc-supply = <®_3p3v>;
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vqmmc-supply = <®_1p8v>;
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bus-width = <8>;
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mmc-hs200-1_8v;
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non-removable;
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fixed-emmc-driver-type = <1>;
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status = "okay";
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};
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#else
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&sdhi0 {
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pinctrl-0 = <&sdhi0_pins>;
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pinctrl-1 = <&sdhi0_pins_uhs>;
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pinctrl-names = "default", "state_uhs";
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vmmc-supply = <®_3p3v>;
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vqmmc-supply = <&vccq_sdhi0>;
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bus-width = <4>;
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sd-uhs-sdr50;
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sd-uhs-sdr104;
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status = "okay";
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};
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#endif
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@ -5,6 +5,14 @@
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* Copyright (C) 2022 Renesas Electronics Corp.
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* Copyright (C) 2022 Renesas Electronics Corp.
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*/
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*/
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/*
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* DIP-Switch SW1 setting
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* 1 : High; 0: Low
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* SW1-2 : SW_SD0_DEV_SEL (0: uSD; 1: eMMC)
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* Please change below macros according to SW1 setting
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*/
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#define SW_SW0_DEV_SEL 1
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#include "rzg2ul-smarc-som.dtsi"
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#include "rzg2ul-smarc-som.dtsi"
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#include "rzg2ul-smarc-pinfunction.dtsi"
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#include "rzg2ul-smarc-pinfunction.dtsi"
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#include "rz-smarc-common.dtsi"
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#include "rz-smarc-common.dtsi"
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