# device support
obj-y += dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
--- /dev/null
+/* linux/arch/arm/mach-s5p6440/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+
+static char *spi_src_clks[] = {
+ [S5P6440_SPI_SRCCLK_PCLK] = "pclk",
+ [S5P6440_SPI_SRCCLK_SCLK] = "spi_epll",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5p6440_spi_cfg_gpio(struct platform_device *pdev)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin(S5P6440_GPC(0), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPC(1), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPC(2), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5P6440_GPC(0), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6440_GPC(1), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6440_GPC(2), S3C_GPIO_PULL_UP);
+ break;
+
+ case 1:
+ s3c_gpio_cfgpin(S5P6440_GPC(4), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPC(5), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPC(6), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5P6440_GPC(4), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6440_GPC(5), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6440_GPC(6), S3C_GPIO_PULL_UP);
+ break;
+
+ default:
+ dev_err(&pdev->dev, "Invalid SPI Controller number!");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct resource s5p6440_spi0_resource[] = {
+ [0] = {
+ .start = S5P6440_PA_SPI0,
+ .end = S5P6440_PA_SPI0 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPI0_TX,
+ .end = DMACH_SPI0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_SPI0_RX,
+ .end = DMACH_SPI0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = IRQ_SPI0,
+ .end = IRQ_SPI0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct s3c64xx_spi_info s5p6440_spi0_pdata = {
+ .cfg_gpio = s5p6440_spi_cfg_gpio,
+ .fifo_lvl_mask = 0x1ff,
+ .rx_lvl_offset = 15,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5p6440_device_spi0 = {
+ .name = "s3c64xx-spi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s5p6440_spi0_resource),
+ .resource = s5p6440_spi0_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5p6440_spi0_pdata,
+ },
+};
+
+static struct resource s5p6440_spi1_resource[] = {
+ [0] = {
+ .start = S5P6440_PA_SPI1,
+ .end = S5P6440_PA_SPI1 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPI1_TX,
+ .end = DMACH_SPI1_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_SPI1_RX,
+ .end = DMACH_SPI1_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = IRQ_SPI1,
+ .end = IRQ_SPI1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct s3c64xx_spi_info s5p6440_spi1_pdata = {
+ .cfg_gpio = s5p6440_spi_cfg_gpio,
+ .fifo_lvl_mask = 0x7f,
+ .rx_lvl_offset = 15,
+};
+
+struct platform_device s5p6440_device_spi1 = {
+ .name = "s3c64xx-spi",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s5p6440_spi1_resource),
+ .resource = s5p6440_spi1_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5p6440_spi1_pdata,
+ },
+};
+
+void __init s5p6440_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+ struct s3c64xx_spi_info *pd;
+
+ /* Reject invalid configuration */
+ if (!num_cs || src_clk_nr < 0
+ || src_clk_nr > S5P6440_SPI_SRCCLK_SCLK) {
+ printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+ return;
+ }
+
+ switch (cntrlr) {
+ case 0:
+ pd = &s5p6440_spi0_pdata;
+ break;
+ case 1:
+ pd = &s5p6440_spi1_pdata;
+ break;
+ default:
+ printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+ __func__, cntrlr);
+ return;
+ }
+
+ pd->num_cs = num_cs;
+ pd->src_clk_nr = src_clk_nr;
+ pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
#define S5P6440_PA_IIC0 (0xEC104000)
+#define S5P6440_PA_SPI0 0xEC400000
+#define S5P6440_PA_SPI1 0xEC500000
+
#define S5P6440_PA_HSOTG (0xED100000)
#define S5P6440_PA_HSMMC0 (0xED800000)
--- /dev/null
+/* linux/arch/arm/mach-s5p6440/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S5P6440_PLAT_SPI_CLKS_H
+#define __S5P6440_PLAT_SPI_CLKS_H __FILE__
+
+#define S5P6440_SPI_SRCCLK_PCLK 0
+#define S5P6440_SPI_SRCCLK_SCLK 1
+
+#endif /* __S5P6440_PLAT_SPI_CLKS_H */
# device support
obj-y += dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
--- /dev/null
+/* linux/arch/arm/mach-s5p6442/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+
+static char *spi_src_clks[] = {
+ [S5P6442_SPI_SRCCLK_PCLK] = "pclk",
+ [S5P6442_SPI_SRCCLK_SCLK] = "spi_epll",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5p6442_spi_cfg_gpio(struct platform_device *pdev)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin(S5P6442_GPB(0), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6442_GPB(2), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6442_GPB(3), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5P6442_GPB(0), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6442_GPB(2), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6442_GPB(3), S3C_GPIO_PULL_UP);
+ break;
+
+ default:
+ dev_err(&pdev->dev, "Invalid SPI Controller number!");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct resource s5p6442_spi0_resource[] = {
+ [0] = {
+ .start = S5P6442_PA_SPI,
+ .end = S5P6442_PA_SPI + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPI0_TX,
+ .end = DMACH_SPI0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_SPI0_RX,
+ .end = DMACH_SPI0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = IRQ_SPI0,
+ .end = IRQ_SPI0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct s3c64xx_spi_info s5p6442_spi0_pdata = {
+ .cfg_gpio = s5p6442_spi_cfg_gpio,
+ .fifo_lvl_mask = 0x1ff,
+ .rx_lvl_offset = 15,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5p6442_device_spi = {
+ .name = "s3c64xx-spi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s5p6442_spi0_resource),
+ .resource = s5p6442_spi0_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5p6442_spi0_pdata,
+ },
+};
+
+void __init s5p6442_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+ struct s3c64xx_spi_info *pd;
+
+ /* Reject invalid configuration */
+ if (!num_cs || src_clk_nr < 0
+ || src_clk_nr > S5P6442_SPI_SRCCLK_SCLK) {
+ printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+ return;
+ }
+
+ switch (cntrlr) {
+ case 0:
+ pd = &s5p6442_spi0_pdata;
+ break;
+ default:
+ printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+ __func__, cntrlr);
+ return;
+ }
+
+ pd->num_cs = num_cs;
+ pd->src_clk_nr = src_clk_nr;
+ pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
#define S5P6442_PA_SDRAM (0x20000000)
#define S5P_PA_SDRAM S5P6442_PA_SDRAM
+#define S5P6442_PA_SPI 0xEC300000
+
/* I2S */
#define S5P6442_PA_I2S0 0xC0B00000
#define S5P6442_PA_I2S1 0xF2200000
--- /dev/null
+/* linux/arch/arm/mach-s5p6442/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S5P6442_PLAT_SPI_CLKS_H
+#define __S5P6442_PLAT_SPI_CLKS_H __FILE__
+
+#define S5P6442_SPI_SRCCLK_PCLK 0
+#define S5P6442_SPI_SRCCLK_SCLK 1
+
+#endif /* __S5P6442_PLAT_SPI_CLKS_H */
obj-$(CONFIG_S5PC100_SETUP_SDHCI) += setup-sdhci.o
obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
+# device support
+obj-y += dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
+
# machine support
obj-$(CONFIG_MACH_SMDKC100) += mach-smdkc100.o
--- /dev/null
+/* linux/arch/arm/mach-s5pc100/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+#include <plat/irqs.h>
+
+static char *spi_src_clks[] = {
+ [S5PC100_SPI_SRCCLK_PCLK] = "pclk",
+ [S5PC100_SPI_SRCCLK_48M] = "spi_48m",
+ [S5PC100_SPI_SRCCLK_SPIBUS] = "spi_bus",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5pc100_spi_cfg_gpio(struct platform_device *pdev)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin(S5PC100_GPB(0), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5PC100_GPB(1), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5PC100_GPB(2), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PC100_GPB(0), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PC100_GPB(1), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PC100_GPB(2), S3C_GPIO_PULL_UP);
+ break;
+
+ case 1:
+ s3c_gpio_cfgpin(S5PC100_GPB(4), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5PC100_GPB(5), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5PC100_GPB(6), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PC100_GPB(4), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PC100_GPB(5), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PC100_GPB(6), S3C_GPIO_PULL_UP);
+ break;
+
+ case 2:
+ s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3));
+ s3c_gpio_cfgpin(S5PC100_GPG3(2), S3C_GPIO_SFN(3));
+ s3c_gpio_cfgpin(S5PC100_GPG3(3), S3C_GPIO_SFN(3));
+ s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PC100_GPG3(2), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PC100_GPG3(3), S3C_GPIO_PULL_UP);
+ break;
+
+ default:
+ dev_err(&pdev->dev, "Invalid SPI Controller number!");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct resource s5pc100_spi0_resource[] = {
+ [0] = {
+ .start = S5PC100_PA_SPI0,
+ .end = S5PC100_PA_SPI0 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPI0_TX,
+ .end = DMACH_SPI0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_SPI0_RX,
+ .end = DMACH_SPI0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = IRQ_SPI0,
+ .end = IRQ_SPI0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct s3c64xx_spi_info s5pc100_spi0_pdata = {
+ .cfg_gpio = s5pc100_spi_cfg_gpio,
+ .fifo_lvl_mask = 0x7f,
+ .rx_lvl_offset = 13,
+ .high_speed = 1,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5pc100_device_spi0 = {
+ .name = "s3c64xx-spi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s5pc100_spi0_resource),
+ .resource = s5pc100_spi0_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5pc100_spi0_pdata,
+ },
+};
+
+static struct resource s5pc100_spi1_resource[] = {
+ [0] = {
+ .start = S5PC100_PA_SPI1,
+ .end = S5PC100_PA_SPI1 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPI1_TX,
+ .end = DMACH_SPI1_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_SPI1_RX,
+ .end = DMACH_SPI1_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = IRQ_SPI1,
+ .end = IRQ_SPI1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct s3c64xx_spi_info s5pc100_spi1_pdata = {
+ .cfg_gpio = s5pc100_spi_cfg_gpio,
+ .fifo_lvl_mask = 0x7f,
+ .rx_lvl_offset = 13,
+ .high_speed = 1,
+};
+
+struct platform_device s5pc100_device_spi1 = {
+ .name = "s3c64xx-spi",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s5pc100_spi1_resource),
+ .resource = s5pc100_spi1_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5pc100_spi1_pdata,
+ },
+};
+
+static struct resource s5pc100_spi2_resource[] = {
+ [0] = {
+ .start = S5PC100_PA_SPI2,
+ .end = S5PC100_PA_SPI2 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPI2_TX,
+ .end = DMACH_SPI2_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_SPI2_RX,
+ .end = DMACH_SPI2_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = IRQ_SPI2,
+ .end = IRQ_SPI2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct s3c64xx_spi_info s5pc100_spi2_pdata = {
+ .cfg_gpio = s5pc100_spi_cfg_gpio,
+ .fifo_lvl_mask = 0x7f,
+ .rx_lvl_offset = 13,
+ .high_speed = 1,
+};
+
+struct platform_device s5pc100_device_spi2 = {
+ .name = "s3c64xx-spi",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(s5pc100_spi2_resource),
+ .resource = s5pc100_spi2_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5pc100_spi2_pdata,
+ },
+};
+
+void __init s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+ struct s3c64xx_spi_info *pd;
+
+ /* Reject invalid configuration */
+ if (!num_cs || src_clk_nr < 0
+ || src_clk_nr > S5PC100_SPI_SRCCLK_SPIBUS) {
+ printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+ return;
+ }
+
+ switch (cntrlr) {
+ case 0:
+ pd = &s5pc100_spi0_pdata;
+ break;
+ case 1:
+ pd = &s5pc100_spi1_pdata;
+ break;
+ case 2:
+ pd = &s5pc100_spi2_pdata;
+ break;
+ default:
+ printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+ __func__, cntrlr);
+ return;
+ }
+
+ pd->num_cs = num_cs;
+ pd->src_clk_nr = src_clk_nr;
+ pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
#define S5PC100_PA_IIC0 (0xEC100000)
#define S5PC100_PA_IIC1 (0xEC200000)
+/* SPI */
+#define S5PC100_PA_SPI0 0xEC300000
+#define S5PC100_PA_SPI1 0xEC400000
+#define S5PC100_PA_SPI2 0xEC500000
+
+/* USB HS OTG */
+#define S5PC100_PA_USB_HSOTG (0xED200000)
+#define S5PC100_PA_USB_HSPHY (0xED300000)
+
#define S5PC100_PA_FB (0xEE000000)
#define S5PC100_PA_AC97 0xF2300000
/* KEYPAD */
#define S5PC100_PA_KEYPAD (0xF3100000)
->>>>>>> for-2635-4/s5p-devs:arch/arm/mach-s5pc100/include/mach/map.h
#define S5PC100_PA_HSMMC(x) (0xED800000 + ((x) * 0x100000))
--- /dev/null
+/* linux/arch/arm/mach-s5pc100/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S5PC100_PLAT_SPI_CLKS_H
+#define __S5PC100_PLAT_SPI_CLKS_H __FILE__
+
+#define S5PC100_SPI_SRCCLK_PCLK 0
+#define S5PC100_SPI_SRCCLK_48M 1
+#define S5PC100_SPI_SRCCLK_SPIBUS 2
+
+#endif /* __S5PC100_PLAT_SPI_CLKS_H */
# device support
obj-y += dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
+
obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S5PV210_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S5PV210_SETUP_I2C2) += setup-i2c2.o
--- /dev/null
+/* linux/arch/arm/mach-s5pv210/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+
+static char *spi_src_clks[] = {
+ [S5PV210_SPI_SRCCLK_PCLK] = "pclk",
+ [S5PV210_SPI_SRCCLK_SCLK] = "sclk_spi",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5pv210_spi_cfg_gpio(struct platform_device *pdev)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin(S5PV210_GPB(0), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5PV210_GPB(1), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5PV210_GPB(2), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PV210_GPB(0), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PV210_GPB(1), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PV210_GPB(2), S3C_GPIO_PULL_UP);
+ break;
+
+ case 1:
+ s3c_gpio_cfgpin(S5PV210_GPB(4), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5PV210_GPB(5), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5PV210_GPB(6), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5PV210_GPB(4), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PV210_GPB(5), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5PV210_GPB(6), S3C_GPIO_PULL_UP);
+ break;
+
+ default:
+ dev_err(&pdev->dev, "Invalid SPI Controller number!");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct resource s5pv210_spi0_resource[] = {
+ [0] = {
+ .start = S5PV210_PA_SPI0,
+ .end = S5PV210_PA_SPI0 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPI0_TX,
+ .end = DMACH_SPI0_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_SPI0_RX,
+ .end = DMACH_SPI0_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = IRQ_SPI0,
+ .end = IRQ_SPI0,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct s3c64xx_spi_info s5pv210_spi0_pdata = {
+ .cfg_gpio = s5pv210_spi_cfg_gpio,
+ .fifo_lvl_mask = 0x1ff,
+ .rx_lvl_offset = 15,
+ .high_speed = 1,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5pv210_device_spi0 = {
+ .name = "s3c64xx-spi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s5pv210_spi0_resource),
+ .resource = s5pv210_spi0_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5pv210_spi0_pdata,
+ },
+};
+
+static struct resource s5pv210_spi1_resource[] = {
+ [0] = {
+ .start = S5PV210_PA_SPI1,
+ .end = S5PV210_PA_SPI1 + 0x100 - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = DMACH_SPI1_TX,
+ .end = DMACH_SPI1_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ [2] = {
+ .start = DMACH_SPI1_RX,
+ .end = DMACH_SPI1_RX,
+ .flags = IORESOURCE_DMA,
+ },
+ [3] = {
+ .start = IRQ_SPI1,
+ .end = IRQ_SPI1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct s3c64xx_spi_info s5pv210_spi1_pdata = {
+ .cfg_gpio = s5pv210_spi_cfg_gpio,
+ .fifo_lvl_mask = 0x7f,
+ .rx_lvl_offset = 15,
+ .high_speed = 1,
+};
+
+struct platform_device s5pv210_device_spi1 = {
+ .name = "s3c64xx-spi",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s5pv210_spi1_resource),
+ .resource = s5pv210_spi1_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5pv210_spi1_pdata,
+ },
+};
+
+void __init s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+ struct s3c64xx_spi_info *pd;
+
+ /* Reject invalid configuration */
+ if (!num_cs || src_clk_nr < 0
+ || src_clk_nr > S5PV210_SPI_SRCCLK_SCLK) {
+ printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+ return;
+ }
+
+ switch (cntrlr) {
+ case 0:
+ pd = &s5pv210_spi0_pdata;
+ break;
+ case 1:
+ pd = &s5pv210_spi1_pdata;
+ break;
+ default:
+ printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+ __func__, cntrlr);
+ return;
+ }
+
+ pd->num_cs = num_cs;
+ pd->src_clk_nr = src_clk_nr;
+ pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
#define S5PV210_PA_GPIO (0xE0200000)
#define S5P_PA_GPIO S5PV210_PA_GPIO
+/* SPI */
+#define S5PV210_PA_SPI0 0xE1300000
+#define S5PV210_PA_SPI1 0xE1400000
+
#define S5PV210_PA_IIC0 (0xE1800000)
#define S5PV210_PA_IIC1 (0xFAB00000)
#define S5PV210_PA_IIC2 (0xE1A00000)
--- /dev/null
+/* linux/arch/arm/mach-s5pv210/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S5PV210_PLAT_SPI_CLKS_H
+#define __S5PV210_PLAT_SPI_CLKS_H __FILE__
+
+#define S5PV210_SPI_SRCCLK_PCLK 0
+#define S5PV210_SPI_SRCCLK_SCLK 1
+
+#endif /* __S5PV210_PLAT_SPI_CLKS_H */
extern struct platform_device s3c_device_spi0;
extern struct platform_device s3c_device_spi1;
+extern struct platform_device s5pc100_device_spi0;
+extern struct platform_device s5pc100_device_spi1;
+extern struct platform_device s5pc100_device_spi2;
+extern struct platform_device s5pv210_device_spi0;
+extern struct platform_device s5pv210_device_spi1;
+extern struct platform_device s5p6440_device_spi0;
+extern struct platform_device s5p6440_device_spi1;
+
extern struct platform_device s3c_device_hwmon;
extern struct platform_device s3c_device_nand;
extern struct platform_device s5p6442_device_pcm1;
extern struct platform_device s5p6442_device_iis0;
extern struct platform_device s5p6442_device_iis1;
+extern struct platform_device s5p6442_device_spi;
extern struct platform_device s5p6440_device_pcm;
extern struct platform_device s5p6440_device_iis;
* has some chips attached to it.
*/
extern void s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s5p6440_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+extern void s5p6442_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
#endif /* __S3C64XX_PLAT_SPI_H */
projects / firefly-linux-kernel-4.4.55.git / commitdiff