The current imx8mp-dhcom-som.dtsi describes production rev.200 SoM, add DT overlay which reinstates rev.100 SoM description to permit prototype rev.100 SoMs to be used until they get phased out.
Signed-off-by: Marek Vasut marex@denx.de --- Cc: "NXP i.MX U-Boot Team" uboot-imx@nxp.com Cc: Algapally Santosh Sagar santoshsagar.algapally@amd.com Cc: Fabio Estevam festevam@gmail.com Cc: Mayuresh Chitale mchitale@ventanamicro.com Cc: Oleksandr Suvorov oleksandr.suvorov@foundries.io Cc: Ovidiu Panait ovpanait@gmail.com Cc: Roger Quadros rogerq@kernel.org Cc: Simon Glass sjg@chromium.org Cc: Stefano Babic sbabic@denx.de Cc: u-boot@dh-electronics.com --- arch/arm/dts/Makefile | 2 + .../dts/imx8mp-dhcom-pdk3-overlay-rev100.dts | 10 ++ .../dts/imx8mp-dhcom-som-overlay-rev100.dts | 120 ++++++++++++++++++ arch/arm/dts/imx8mp-dhcom-u-boot.dtsi | 8 +- board/dhelectronics/dh_imx8mp/spl.c | 16 +++ 5 files changed, 152 insertions(+), 4 deletions(-) create mode 100644 arch/arm/dts/imx8mp-dhcom-pdk3-overlay-rev100.dts create mode 100644 arch/arm/dts/imx8mp-dhcom-som-overlay-rev100.dts
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index a116207b473..f05aa3d21f6 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -1042,11 +1042,13 @@ dtb-$(CONFIG_ARCH_IMX8M) += \ imx8mq-phanbell.dtb \ imx8mp-beacon-kit.dtb \ imx8mp-data-modul-edm-sbc.dtb \ + imx8mp-dhcom-som-overlay-rev100.dtbo \ imx8mp-dhcom-som-overlay-eth1xfast.dtbo \ imx8mp-dhcom-som-overlay-eth2xfast.dtbo \ imx8mp-dhcom-pdk-overlay-eth2xfast.dtbo \ imx8mp-dhcom-pdk2.dtb \ imx8mp-dhcom-pdk3.dtb \ + imx8mp-dhcom-pdk3-overlay-rev100.dtbo \ imx8mp-evk.dtb \ imx8mp-icore-mx8mp-edimm2.2.dtb \ imx8mp-msc-sm2s.dtb \ diff --git a/arch/arm/dts/imx8mp-dhcom-pdk3-overlay-rev100.dts b/arch/arm/dts/imx8mp-dhcom-pdk3-overlay-rev100.dts new file mode 100644 index 00000000000..f27e6429abe --- /dev/null +++ b/arch/arm/dts/imx8mp-dhcom-pdk3-overlay-rev100.dts @@ -0,0 +1,10 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright (C) 2023 Marek Vasut marex@denx.de + */ +/dts-v1/; +/plugin/; + +ðphy0g { + reg = <7>; +}; diff --git a/arch/arm/dts/imx8mp-dhcom-som-overlay-rev100.dts b/arch/arm/dts/imx8mp-dhcom-som-overlay-rev100.dts new file mode 100644 index 00000000000..5d9a00c9429 --- /dev/null +++ b/arch/arm/dts/imx8mp-dhcom-som-overlay-rev100.dts @@ -0,0 +1,120 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright (C) 2023 Marek Vasut marex@denx.de + */ +/dts-v1/; +/plugin/; + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/interrupt-controller/irq.h> + +#include "imx8mp-pinfunc.h" + +&brcmf { + reset-gpios = <&gpio1 13 GPIO_ACTIVE_LOW>; +}; + +&eeprom0 { /* EEPROM with EQoS MAC address */ + compatible = "atmel,24c02"; + pagesize = <16>; +}; + +&eeprom1 { /* EEPROM with FEC MAC address */ + compatible = "atmel,24c02"; + pagesize = <16>; +}; + +ðphy0f { /* SMSC LAN8740Ai */ + pinctrl-0 = <&pinctrl_ethphy0 &pinctrl_ioexp>; + reset-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>; +}; + +ðphy0g { /* Micrel KSZ9131RNXI */ + pinctrl-0 = <&pinctrl_ethphy0 &pinctrl_ioexp>; + reset-gpios = <&gpio3 20 GPIO_ACTIVE_LOW>; +}; + +&i2c3 { + adc@48 { + compatible = "ti,tla2024"; + interrupts-extended; + }; +}; + +&ioexp { + status = "disabled"; +}; + +®_eth_vio { + gpio = <&gpio2 10 GPIO_ACTIVE_LOW>; + pinctrl-0 = <&pinctrl_enet_vio>; + pinctrl-names = "default"; +}; + +&rv3032 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rtc>; + interrupts-extended = <&gpio5 5 IRQ_TYPE_LEVEL_LOW>; +}; + +&uart2 { + bluetooth { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart2_bt>; + shutdown-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH>; + }; +}; + +&usb_dwc3_0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usb0_vbus>; +}; + +&usdhc1 { + pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_usdhc1_wl_reg_en>; + pinctrl-1 = <&pinctrl_usdhc1_100mhz &pinctrl_usdhc1_wl_reg_en>; + pinctrl-2 = <&pinctrl_usdhc1_200mhz &pinctrl_usdhc1_wl_reg_en>; +}; + +&iomuxc { + pinctrl-0 = <&pinctrl_hog_base + &pinctrl_dhcom_a &pinctrl_dhcom_b &pinctrl_dhcom_c + &pinctrl_dhcom_d &pinctrl_dhcom_e &pinctrl_dhcom_f + &pinctrl_dhcom_g &pinctrl_dhcom_h &pinctrl_dhcom_i + &pinctrl_dhcom_j &pinctrl_dhcom_k &pinctrl_dhcom_l + /* GPIO_M is connected to CLKOUT2 */ + &pinctrl_dhcom_int>; + + pinctrl_enet_vio: dhcom-enet-vio-grp { + fsl,pins = < + MX8MP_IOMUXC_SD1_RESET_B__GPIO2_IO10 0x22 + >; + }; + + pinctrl_rtc: dhcom-rtc-grp { + fsl,pins = < + /* RTC_#INT Interrupt */ + MX8MP_IOMUXC_SPDIF_EXT_CLK__GPIO5_IO05 0x400001c6 + >; + }; + + pinctrl_uart2_bt: dhcom-uart2-bt-grp { + fsl,pins = < + /* BT_REG_EN */ + MX8MP_IOMUXC_GPIO1_IO12__GPIO1_IO12 0x144 + >; + }; + + pinctrl_usb0_vbus: dhcom-usb0-grp { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO10__USB1_OTG_ID 0x0 + >; + }; + + pinctrl_usdhc1_wl_reg_en: dhcom-usdhc1-wl-reg-en-grp { + fsl,pins = < + /* WL_REG_EN */ + MX8MP_IOMUXC_GPIO1_IO13__GPIO1_IO13 0x144 + >; + }; +}; diff --git a/arch/arm/dts/imx8mp-dhcom-u-boot.dtsi b/arch/arm/dts/imx8mp-dhcom-u-boot.dtsi index 6f21fbe1151..a29db0ddd3f 100644 --- a/arch/arm/dts/imx8mp-dhcom-u-boot.dtsi +++ b/arch/arm/dts/imx8mp-dhcom-u-boot.dtsi @@ -178,13 +178,13 @@ }; };
- fdt-dto-imx8mp-dhcom-pdk-overlay-rev100 { - description = "imx8mp-dhcom-pdk-overlay-rev100"; + fdt-dto-imx8mp-dhcom-pdk3-overlay-rev100 { + description = "imx8mp-dhcom-pdk3-overlay-rev100"; type = "flat_dt"; compression = "none";
blob-ext { - filename = "imx8mp-dhcom-pdk-overlay-rev100.dtbo"; + filename = "imx8mp-dhcom-pdk3-overlay-rev100.dtbo"; }; }; }; @@ -198,7 +198,7 @@ "fdt-dto-imx8mp-dhcom-som-overlay-eth2xfast", "fdt-dto-imx8mp-dhcom-pdk-overlay-eth2xfast", "fdt-dto-imx8mp-dhcom-som-overlay-rev100", - "fdt-dto-imx8mp-dhcom-pdk-overlay-rev100"; + "fdt-dto-imx8mp-dhcom-pdk3-overlay-rev100"; }; }; }; diff --git a/board/dhelectronics/dh_imx8mp/spl.c b/board/dhelectronics/dh_imx8mp/spl.c index 8dc464b1dd7..1b05da53c35 100644 --- a/board/dhelectronics/dh_imx8mp/spl.c +++ b/board/dhelectronics/dh_imx8mp/spl.c @@ -44,6 +44,7 @@ static const iomux_v3_cfg_t wdog_pads[] = { };
static bool dh_gigabit_eqos, dh_gigabit_fec; +static u8 dh_som_rev;
static void dh_imx8mp_early_init_f(void) { @@ -166,6 +167,15 @@ int board_spl_fit_append_fdt_skip(const char *name) } }
+ if (dh_som_rev == 0x0) { /* Prototype SoM rev.100 */ + if (!strcmp(name, "fdt-dto-imx8mp-dhcom-som-overlay-rev100")) + return 0; + + if (!strcmp(name, "fdt-dto-imx8mp-dhcom-pdk3-overlay-rev100") && + of_machine_is_compatible("dh,imx8mp-dhcom-pdk3")) + return 0; + } + return 1; /* Skip this DTO */ }
@@ -175,6 +185,9 @@ static void dh_imx8mp_board_cache_config(void) const u32 mux_sion[] = { FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_ENET_RX_CTL__GPIO1_IO24), FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_SAI1_TXFS__GPIO4_IO10), + FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_NAND_DQS__GPIO3_IO14), + FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_SAI1_TXD7__GPIO4_IO19), + FIELD_GET(MUX_CTRL_OFS_MASK, MX8MP_PAD_SAI5_MCLK__GPIO3_IO25), }; int i;
@@ -183,6 +196,9 @@ static void dh_imx8mp_board_cache_config(void)
dh_gigabit_eqos = !(readl(GPIO1_BASE_ADDR) & BIT(24)); dh_gigabit_fec = !(readl(GPIO4_BASE_ADDR) & BIT(10)); + dh_som_rev = !!(readl(GPIO3_BASE_ADDR) & BIT(14)); + dh_som_rev |= !!(readl(GPIO4_BASE_ADDR) & BIT(19)) << 1; + dh_som_rev |= !!(readl(GPIO3_BASE_ADDR) & BIT(25)) << 2;
for (i = 0; i < ARRAY_SIZE(mux_sion); i++) clrbits_le32(mux_base + mux_sion[i], IOMUX_CONFIG_SION);