Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 218 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c
new file mode 100644
index 000000000..624088257
--- /dev/null
+++ b/arch/arm/mach-pxa/icontrol.c
@@ -0,0 +1,218 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * linux/arch/arm/mach-pxa/icontrol.c
+ *
+ * Support for the iControl and SafeTcam platforms from TMT Services
+ * using the Embedian MXM-8x10 Computer on Module
+ *
+ * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
+ *
+ * 2010-01-21 Hennie van der Merve <hvdmerwe@tmtservies.co.za>
+ */
+
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/property.h>
+#include <linux/gpio/machine.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include "pxa320.h"
+#include "mxm8x10.h"
+
+#include <linux/spi/spi.h>
+#include <linux/spi/pxa2xx_spi.h>
+#include <linux/regulator/machine.h>
+
+#include "generic.h"
+
+#define ICONTROL_MCP251x_nCS1	(15)
+#define ICONTROL_MCP251x_nCS2	(16)
+#define ICONTROL_MCP251x_nCS3	(17)
+#define ICONTROL_MCP251x_nCS4	(24)
+
+#define ICONTROL_MCP251x_nIRQ1	(74)
+#define ICONTROL_MCP251x_nIRQ2	(75)
+#define ICONTROL_MCP251x_nIRQ3	(76)
+#define ICONTROL_MCP251x_nIRQ4	(77)
+
+static struct pxa2xx_spi_chip mcp251x_chip_info1 = {
+	.tx_threshold   = 8,
+	.rx_threshold   = 128,
+	.dma_burst_size = 8,
+	.timeout        = 235,
+};
+
+static struct pxa2xx_spi_chip mcp251x_chip_info2 = {
+	.tx_threshold   = 8,
+	.rx_threshold   = 128,
+	.dma_burst_size = 8,
+	.timeout        = 235,
+};
+
+static struct pxa2xx_spi_chip mcp251x_chip_info3 = {
+	.tx_threshold   = 8,
+	.rx_threshold   = 128,
+	.dma_burst_size = 8,
+	.timeout        = 235,
+};
+
+static struct pxa2xx_spi_chip mcp251x_chip_info4 = {
+	.tx_threshold   = 8,
+	.rx_threshold   = 128,
+	.dma_burst_size = 8,
+	.timeout        = 235,
+};
+
+static const struct property_entry mcp251x_properties[] = {
+	PROPERTY_ENTRY_U32("clock-frequency", 16000000),
+	{}
+};
+
+static const struct software_node mcp251x_node = {
+	.properties = mcp251x_properties,
+};
+
+static struct spi_board_info mcp251x_board_info[] = {
+	{
+		.modalias        = "mcp2515",
+		.max_speed_hz    = 6500000,
+		.bus_num         = 3,
+		.chip_select     = 0,
+		.swnode		 = &mcp251x_node,
+		.controller_data = &mcp251x_chip_info1,
+		.irq             = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ1)
+	},
+	{
+		.modalias        = "mcp2515",
+		.max_speed_hz    = 6500000,
+		.bus_num         = 3,
+		.chip_select     = 1,
+		.swnode		 = &mcp251x_node,
+		.controller_data = &mcp251x_chip_info2,
+		.irq             = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ2)
+	},
+	{
+		.modalias        = "mcp2515",
+		.max_speed_hz    = 6500000,
+		.bus_num         = 4,
+		.chip_select     = 0,
+		.swnode		 = &mcp251x_node,
+		.controller_data = &mcp251x_chip_info3,
+		.irq             = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ3)
+	},
+	{
+		.modalias        = "mcp2515",
+		.max_speed_hz    = 6500000,
+		.bus_num         = 4,
+		.chip_select     = 1,
+		.swnode		 = &mcp251x_node,
+		.controller_data = &mcp251x_chip_info4,
+		.irq             = PXA_GPIO_TO_IRQ(ICONTROL_MCP251x_nIRQ4)
+	}
+};
+
+static struct pxa2xx_spi_controller pxa_ssp3_spi_master_info = {
+	.num_chipselect = 2,
+	.enable_dma     = 1
+};
+
+static struct pxa2xx_spi_controller pxa_ssp4_spi_master_info = {
+	.num_chipselect = 2,
+	.enable_dma     = 1
+};
+
+struct platform_device pxa_spi_ssp3 = {
+	.name          = "pxa2xx-spi",
+	.id            = 3,
+	.dev           = {
+		.platform_data = &pxa_ssp3_spi_master_info,
+	}
+};
+
+struct platform_device pxa_spi_ssp4 = {
+	.name          = "pxa2xx-spi",
+	.id            = 4,
+	.dev           = {
+		.platform_data = &pxa_ssp4_spi_master_info,
+	}
+};
+
+static struct gpiod_lookup_table pxa_ssp3_gpio_table = {
+	.dev_id = "spi3",
+	.table = {
+		GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS1, "cs", 0, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS2, "cs", 1, GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
+static struct gpiod_lookup_table pxa_ssp4_gpio_table = {
+	.dev_id = "spi4",
+	.table = {
+		GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS3, "cs", 0, GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS4, "cs", 1, GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
+static struct platform_device *icontrol_spi_devices[] __initdata = {
+	&pxa_spi_ssp3,
+	&pxa_spi_ssp4,
+};
+
+static mfp_cfg_t mfp_can_cfg[] __initdata = {
+	/* CAN CS lines */
+	GPIO15_GPIO,
+	GPIO16_GPIO,
+	GPIO17_GPIO,
+	GPIO24_GPIO,
+
+	/* SPI (SSP3) lines */
+	GPIO89_SSP3_SCLK,
+	GPIO91_SSP3_TXD,
+	GPIO92_SSP3_RXD,
+
+	/* SPI (SSP4) lines */
+	GPIO93_SSP4_SCLK,
+	GPIO95_SSP4_TXD,
+	GPIO96_SSP4_RXD,
+
+	/* CAN nIRQ lines */
+	GPIO74_GPIO | MFP_LPM_EDGE_RISE,
+	GPIO75_GPIO | MFP_LPM_EDGE_RISE,
+	GPIO76_GPIO | MFP_LPM_EDGE_RISE,
+	GPIO77_GPIO | MFP_LPM_EDGE_RISE
+};
+
+static void __init icontrol_can_init(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_can_cfg));
+	gpiod_add_lookup_table(&pxa_ssp3_gpio_table);
+	gpiod_add_lookup_table(&pxa_ssp4_gpio_table);
+	platform_add_devices(ARRAY_AND_SIZE(icontrol_spi_devices));
+	spi_register_board_info(ARRAY_AND_SIZE(mcp251x_board_info));
+}
+
+static void __init icontrol_init(void)
+{
+	mxm_8x10_barebones_init();
+	mxm_8x10_usb_host_init();
+	mxm_8x10_mmc_init();
+
+	icontrol_can_init();
+
+	regulator_has_full_constraints();
+}
+
+MACHINE_START(ICONTROL, "iControl/SafeTcam boards using Embedian MXM-8x10 CoM")
+	.atag_offset	= 0x100,
+	.map_io		= pxa3xx_map_io,
+	.nr_irqs	= PXA_NR_IRQS,
+	.init_irq	= pxa3xx_init_irq,
+	.handle_irq	= pxa3xx_handle_irq,
+	.init_time	= pxa_timer_init,
+	.init_machine	= icontrol_init,
+	.restart	= pxa_restart,
+MACHINE_END