| Message ID | 20230912045157.177966-34-claudiu.beznea.uj@bp.renesas.com |
|---|---|
| State | New |
| Headers | show |
| Series | [01/37] dt-bindings: serial: renesas,scif: document r9a08g045 support | expand |
Hi Claudiu, Thanks for your patch! On Tue, Sep 12, 2023 at 6:53 AM Claudiu <claudiu.beznea@tuxon.dev> wrote: > From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> > > Add initial support for RZ/G3S SMARC Carrier-II SoM. SoM contains the following > devices: > - RZ/G3S microcontroller: Renesas R9A08G045S33GBG > - 9-channel PMIC: Renesas RAA215300 > - Clock Generator: Renesas 5L35023B > - 128M QSPI Flash: Renesas AT25QL128A > - 8G LPDDR4 SDRAM: Micron MT53D512M16D1DS-046 That's an 8 Gib part, so 1 GiB? > - 64GB eMMC Flash: Micron MTFC64GBCAQTC > - 2x Gigabit Ethernet Transceiver: Microchip KSZ9131RNX > - 5x Current Monitors: Renesas ISL28025FR12Z > > The following interfaces are available on SoM board: > - 2 uSD interfaces > - 12-pin, 1.0mm pitch connector to the RZ/G3S ADC IO > - 4-pin, 1.0mm pitch connector to the RZ/G3S I3C IO > - JTAG connector Please drop the description of parts you are not adding to the DTS yet. > At the moment the 24MHz output of 5L35023B, memory SD ch0 (with all its > bits) were described in device tree. > > SD channel 0 of RZ/G3S is connected to an uSD card interface > and an eMMC. The selection b/w them is done though a hardware switch. > The DT will select b/w uSD and eMMC though SW_SD0_DEV_SEL build flag. > > Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> > --- /dev/null > +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi > @@ -0,0 +1,147 @@ > +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +/* > + * Device Tree Source for the R9A08G045S33 SMARC Carrier-II's SoM board. > + * > + * Copyright (C) 2023 Renesas Electronics Corp. > + */ > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/pinctrl/rzg2l-pinctrl.h> > + > +/* > + * Signals of SW_CONFIG switches: > + * @SW_SD0_DEV_SEL: > + * 0 - SD0 is connected to eMMC > + * 1 - SD0 is connected to uSD0 card > + */ > +#define SW_SD0_DEV_SEL 1 > + > +/ { > + aliases { > + mmc0 = &sdhi0; > + }; > + > + chosen { > + bootargs = "ignore_loglevel"; > + stdout-path = "serial0:115200n8"; > + }; > + > + memory@48000000 { > + device-type = "memory"; > + /* First 128MB is reserved for secure area. */ > + reg = <0x0 0x48000000 0x0 0x38000000>; > + }; > + > + reg_3p3v: regulator0 { > + compatible = "regulator-fixed"; > + regulator-name = "fixed-3.3V"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > +#if SW_SD0_DEV_SEL > + vccq_sdhi0: regulator1 { > + compatible = "regulator-gpio"; > + regulator-name = "SDHI0 VccQ"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + gpios = <&pinctrl RZG2L_GPIO(2, 2) GPIO_ACTIVE_HIGH>; > + gpios-states = <1>; > + states = <3300000 1>, <1800000 0>; > + }; > +#else > + reg_1p8v: regulator1 { > + compatible = "regulator-fixed"; > + regulator-name = "fixed-1.8V"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + regulator-boot-on; > + regulator-always-on; > + }; > +#endif > +}; > + > +&extal_clk { > + clock-frequency = <24000000>; > +}; > + > +#if SW_SD0_DEV_SEL > +/* SD0 slot */ > +&sdhi0 { > + pinctrl-0 = <&sdhi0_pins>; > + pinctrl-1 = <&sdhi0_uhs_pins>; > + pinctrl-names = "default", "state_uhs"; > + vmmc-supply = <®_3p3v>; > + vqmmc-supply = <&vccq_sdhi0>; > + bus-width = <4>; > + sd-uhs-sdr50; > + sd-uhs-sdr104; > + max-frequency = <125000000>; > + status = "okay"; > +}; > +#else > +/* eMMC */ > +&sdhi0 { > + pinctrl-0 = <&sdhi0_emmc_pins>; > + pinctrl-1 = <&sdhi0_emmc_pins>; > + pinctrl-names = "default", "state_uhs"; > + vmmc-supply = <®_3p3v>; > + vqmmc-supply = <®_1p8v>; > + bus-width = <8>; > + mmc-hs200-1_8v; > + non-removable; > + fixed-emmc-driver-type = <1>; > + max-frequency = <125000000>; > + status = "okay"; > +}; > +#endif > + > +&pinctrl { > + sd0-pwr-en-hog { > + gpio-hog; > + gpios = <RZG2L_GPIO(2, 1) GPIO_ACTIVE_HIGH>; According to the schematics, P2_1 controls power to the uSD slot. Hence shouldn't reg_3p3v above be modelled using regulator-gpio, with enable-gpios pointing to P2_1? > + output-high; > + line-name = "sd0_pwr_en"; > + }; Gr{oetje,eeting}s, Geert
diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi new file mode 100644 index 000000000000..ea53b9ff7b6f --- /dev/null +++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc-som.dtsi @@ -0,0 +1,147 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Device Tree Source for the R9A08G045S33 SMARC Carrier-II's SoM board. + * + * Copyright (C) 2023 Renesas Electronics Corp. + */ + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pinctrl/rzg2l-pinctrl.h> + +/* + * Signals of SW_CONFIG switches: + * @SW_SD0_DEV_SEL: + * 0 - SD0 is connected to eMMC + * 1 - SD0 is connected to uSD0 card + */ +#define SW_SD0_DEV_SEL 1 + +/ { + aliases { + mmc0 = &sdhi0; + }; + + chosen { + bootargs = "ignore_loglevel"; + stdout-path = "serial0:115200n8"; + }; + + memory@48000000 { + device-type = "memory"; + /* First 128MB is reserved for secure area. */ + reg = <0x0 0x48000000 0x0 0x38000000>; + }; + + reg_3p3v: regulator0 { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + +#if SW_SD0_DEV_SEL + vccq_sdhi0: regulator1 { + compatible = "regulator-gpio"; + regulator-name = "SDHI0 VccQ"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + gpios = <&pinctrl RZG2L_GPIO(2, 2) GPIO_ACTIVE_HIGH>; + gpios-states = <1>; + states = <3300000 1>, <1800000 0>; + }; +#else + reg_1p8v: regulator1 { + compatible = "regulator-fixed"; + regulator-name = "fixed-1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + regulator-always-on; + }; +#endif +}; + +&extal_clk { + clock-frequency = <24000000>; +}; + +#if SW_SD0_DEV_SEL +/* SD0 slot */ +&sdhi0 { + pinctrl-0 = <&sdhi0_pins>; + pinctrl-1 = <&sdhi0_uhs_pins>; + pinctrl-names = "default", "state_uhs"; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <&vccq_sdhi0>; + bus-width = <4>; + sd-uhs-sdr50; + sd-uhs-sdr104; + max-frequency = <125000000>; + status = "okay"; +}; +#else +/* eMMC */ +&sdhi0 { + pinctrl-0 = <&sdhi0_emmc_pins>; + pinctrl-1 = <&sdhi0_emmc_pins>; + pinctrl-names = "default", "state_uhs"; + vmmc-supply = <®_3p3v>; + vqmmc-supply = <®_1p8v>; + bus-width = <8>; + mmc-hs200-1_8v; + non-removable; + fixed-emmc-driver-type = <1>; + max-frequency = <125000000>; + status = "okay"; +}; +#endif + +&pinctrl { + sd0-pwr-en-hog { + gpio-hog; + gpios = <RZG2L_GPIO(2, 1) GPIO_ACTIVE_HIGH>; + output-high; + line-name = "sd0_pwr_en"; + }; + + sdhi0_pins: sd0 { + data { + pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3"; + power-source = <3300>; + }; + + ctrl { + pins = "SD0_CLK", "SD0_CMD"; + power-source = <3300>; + }; + + cd { + pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */ + }; + }; + + sdhi0_uhs_pins: sd0-uhs { + data { + pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3"; + power-source = <1800>; + }; + + ctrl { + pins = "SD0_CLK", "SD0_CMD"; + power-source = <1800>; + }; + + cd { + pinmux = <RZG2L_PORT_PINMUX(0, 0, 1)>; /* SD0_CD */ + }; + }; + + sdhi0_emmc_pins: sd0-emmc { + pins = "SD0_DATA0", "SD0_DATA1", "SD0_DATA2", "SD0_DATA3", + "SD0_DATA4", "SD0_DATA5", "SD0_DATA6", "SD0_DATA7", + "SD0_CLK", "SD0_CMD", "SD0_RST#"; + power-source = <1800>; + }; +};