arm: imx7d: add support for Compulab cl-som-imx7

Add initial support for Compulab cl-som-imx7 SoM.
The initial support includes:
 - MMC
 - eMMC
 - SPI flash
 - I2C
 - FEC
 - USB
 - Serial console

Signed-off-by: Ilya Ledvich <ilya@compulab.co.il>

1 files changed, 142 insertions, 0 deletions

diff --git a/board/compulab/cl-som-imx7/mux.c b/board/compulab/cl-som-imx7/mux.c
new file mode 100644
index 0000000000..82e8b9f237
--- /dev/null
+++ b/board/compulab/cl-som-imx7/mux.c
@@ -0,0 +1,142 @@
+/*
+ * SPL/U-Boot mux functions for CompuLab CL-SOM-iMX7 module
+ *
+ * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
+ *
+ * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/arch-mx7/mx7-pins.h>
+
+#define PADS_SET(pads_array)						       \
+void cl_som_imx7_##pads_array##_set(void)				       \
+{									       \
+	imx_iomux_v3_setup_multiple_pads(pads_array, ARRAY_SIZE(pads_array));  \
+}
+
+#ifdef CONFIG_FSL_ESDHC
+
+#define USDHC_PAD_CTRL		(PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
+				PAD_CTL_HYS | PAD_CTL_PUE | \
+				PAD_CTL_PUS_PU47KOHM)
+
+static iomux_v3_cfg_t const usdhc1_pads[] = {
+	MX7D_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_DATA0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_DATA1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_DATA2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD1_DATA3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+	MX7D_PAD_SD1_CD_B__GPIO5_IO0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+PADS_SET(usdhc1_pads)
+
+#endif /* CONFIG_FSL_ESDHC */
+
+#define UART_PAD_CTRL		(PAD_CTL_DSE_3P3V_49OHM | \
+				PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
+
+static iomux_v3_cfg_t const uart1_pads[] = {
+	MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+PADS_SET(uart1_pads)
+
+#ifdef CONFIG_SPI
+
+#define SPI_PAD_CTRL	(PAD_CTL_HYS | PAD_CTL_SRE_SLOW | \
+			PAD_CTL_DSE_3P3V_32OHM)
+
+#define GPIO_PAD_CTRL	(PAD_CTL_PUS_PU5KOHM | PAD_CTL_PUE | \
+			PAD_CTL_SRE_SLOW)
+
+static iomux_v3_cfg_t const espi1_pads[] = {
+	MX7D_PAD_ECSPI1_SCLK__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
+	MX7D_PAD_ECSPI1_MISO__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
+	MX7D_PAD_ECSPI1_MOSI__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
+	MX7D_PAD_ECSPI1_SS0__GPIO4_IO19 | MUX_PAD_CTRL(GPIO_PAD_CTRL),
+};
+
+PADS_SET(espi1_pads)
+
+#endif /* CONFIG_SPI */
+
+#ifndef CONFIG_SPL_BUILD
+
+#ifdef CONFIG_FSL_ESDHC
+
+static iomux_v3_cfg_t const usdhc3_emmc_pads[] = {
+	MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX7D_PAD_SD3_STROBE__SD3_STROBE	 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+
+	MX7D_PAD_SD3_RESET_B__GPIO6_IO11 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+PADS_SET(usdhc3_emmc_pads)
+
+#endif /* CONFIG_FSL_ESDHC */
+
+#ifdef CONFIG_FEC_MXC
+
+#define ENET_PAD_CTRL		(PAD_CTL_PUS_PD100KOHM | PAD_CTL_DSE_3P3V_49OHM)
+#define ENET_PAD_CTRL_MII	(PAD_CTL_PUS_PU5KOHM)
+
+static iomux_v3_cfg_t const phy1_rst_pads[] = {
+	/* PHY1 RST */
+	MX7D_PAD_GPIO1_IO04__GPIO1_IO4	| MUX_PAD_CTRL(GPIO_PAD_CTRL),
+};
+
+PADS_SET(phy1_rst_pads)
+
+static iomux_v3_cfg_t const fec1_pads[] = {
+	MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL |
+	MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL |
+	MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+	MX7D_PAD_SD2_CD_B__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
+	MX7D_PAD_SD2_WP__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
+};
+
+PADS_SET(fec1_pads)
+
+#endif /* CONFIG_FEC_MXC */
+
+static iomux_v3_cfg_t const usb_otg1_pads[] = {
+	MX7D_PAD_GPIO1_IO05__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+PADS_SET(usb_otg1_pads)
+
+static iomux_v3_cfg_t const wdog_pads[] = {
+	MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+PADS_SET(wdog_pads)
+
+#endif /* !CONFIG_SPL_BUILD */