Merge branch 'next/devel-s3c24xx-hsspi' into next/devel-samsung

diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
index b34287a..e249611 100644 (file)
--- a/arch/arm/mach-s3c24xx/Kconfig
+++ b/arch/arm/mach-s3c24xx/Kconfig
@@ -518,6 +518,11 @@ config S3C2443_DMA
        help
          Internal config node for S3C2443 DMA support
 
+config S3C2443_SETUP_SPI
+       bool
+       help
+         Common setup code for SPI GPIO configurations
+
 endif  # CPU_S3C2443 || CPU_S3C2416
 
 if CPU_S3C2443

diff --git a/arch/arm/mach-s3c24xx/Makefile b/arch/arm/mach-s3c24xx/Makefile
index 3518fe8..d0f3a92 100644 (file)
--- a/arch/arm/mach-s3c24xx/Makefile
+++ b/arch/arm/mach-s3c24xx/Makefile
@@ -91,5 +91,6 @@ obj-$(CONFIG_MACH_OSIRIS_DVS)         += mach-osiris-dvs.o
 # device setup
 
 obj-$(CONFIG_S3C2416_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
+obj-$(CONFIG_S3C2443_SETUP_SPI)                += setup-spi.o
 obj-$(CONFIG_ARCH_S3C24XX)             += setup-i2c.o
 obj-$(CONFIG_S3C24XX_SETUP_TS)         += setup-ts.o

diff --git a/arch/arm/mach-s3c24xx/clock-s3c2416.c b/arch/arm/mach-s3c24xx/clock-s3c2416.c
index dbc9ab4..8702ecf 100644 (file)
--- a/arch/arm/mach-s3c24xx/clock-s3c2416.c
+++ b/arch/arm/mach-s3c24xx/clock-s3c2416.c
@@ -144,6 +144,7 @@ static struct clk_lookup s3c2416_clk_lookup[] = {
        CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &hsmmc0_clk),
        CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &hsmmc_mux0.clk),
        CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &hsmmc_mux1.clk),
+       CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &hsspi_mux.clk),
 };
 
 void __init s3c2416_init_clocks(int xtal)

diff --git a/arch/arm/mach-s3c24xx/clock-s3c2443.c b/arch/arm/mach-s3c24xx/clock-s3c2443.c
index efb3ac3..a4c5a52 100644 (file)
--- a/arch/arm/mach-s3c24xx/clock-s3c2443.c
+++ b/arch/arm/mach-s3c24xx/clock-s3c2443.c
@@ -179,6 +179,11 @@ static struct clk *clks[] __initdata = {
        &clk_hsmmc,
 };
 
+static struct clk_lookup s3c2443_clk_lookup[] = {
+       CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_hsmmc),
+       CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_hsspi.clk),
+};
+
 void __init s3c2443_init_clocks(int xtal)
 {
        unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
@@ -210,6 +215,7 @@ void __init s3c2443_init_clocks(int xtal)
 
        s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
        s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+       clkdev_add_table(s3c2443_clk_lookup, ARRAY_SIZE(s3c2443_clk_lookup));
 
        s3c_pwmclk_init();
 }

diff --git a/arch/arm/mach-s3c24xx/common-s3c2443.c b/arch/arm/mach-s3c24xx/common-s3c2443.c
index 4604315..aeeb2be 100644 (file)
--- a/arch/arm/mach-s3c24xx/common-s3c2443.c
+++ b/arch/arm/mach-s3c24xx/common-s3c2443.c
@@ -424,11 +424,6 @@ static struct clk init_clocks_off[] = {
                .enable         = s3c2443_clkcon_enable_p,
                .ctrlbit        = S3C2443_PCLKCON_IIS,
        }, {
-               .name           = "hsspi",
-               .parent         = &clk_p,
-               .enable         = s3c2443_clkcon_enable_p,
-               .ctrlbit        = S3C2443_PCLKCON_HSSPI,
-       }, {
                .name           = "adc",
                .parent         = &clk_p,
                .enable         = s3c2443_clkcon_enable_p,
@@ -562,6 +557,14 @@ static struct clk hsmmc1_clk = {
        .ctrlbit        = S3C2443_HCLKCON_HSMMC,
 };
 
+static struct clk hsspi_clk = {
+       .name           = "spi",
+       .devname        = "s3c64xx-spi.0",
+       .parent         = &clk_p,
+       .enable         = s3c2443_clkcon_enable_p,
+       .ctrlbit        = S3C2443_PCLKCON_HSSPI,
+};
+
 /* EPLLCON compatible enough to get on/off information */
 
 void __init_or_cpufreq s3c2443_common_setup_clocks(pll_fn get_mpll)
@@ -612,6 +615,7 @@ static struct clk *clks[] __initdata = {
        &clk_usb_bus,
        &clk_armdiv,
        &hsmmc1_clk,
+       &hsspi_clk,
 };
 
 static struct clksrc_clk *clksrcs[] __initdata = {
@@ -629,6 +633,7 @@ static struct clk_lookup s3c2443_clk_lookup[] = {
        CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p),
        CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_esys_uart.clk),
        CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &hsmmc1_clk),
+       CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &hsspi_clk),
 };
 
 void __init s3c2443_common_init_clocks(int xtal, pll_fn get_mpll,

diff --git a/arch/arm/mach-s3c24xx/dma-s3c2443.c b/arch/arm/mach-s3c24xx/dma-s3c2443.c
index e227c47..2d94228 100644 (file)
--- a/arch/arm/mach-s3c24xx/dma-s3c2443.c
+++ b/arch/arm/mach-s3c24xx/dma-s3c2443.c
@@ -55,12 +55,20 @@ static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = {
                .name           = "sdi",
                .channels       = MAP(S3C2443_DMAREQSEL_SDI),
        },
-       [DMACH_SPI0] = {
-               .name           = "spi0",
+       [DMACH_SPI0_RX] = {
+               .name           = "spi0-rx",
+               .channels       = MAP(S3C2443_DMAREQSEL_SPI0RX),
+       },
+       [DMACH_SPI0_TX] = {
+               .name           = "spi0-tx",
                .channels       = MAP(S3C2443_DMAREQSEL_SPI0TX),
        },
-       [DMACH_SPI1] = { /* only on S3C2443/S3C2450 */
-               .name           = "spi1",
+       [DMACH_SPI1_RX] = { /* only on S3C2443/S3C2450 */
+               .name           = "spi1-rx",
+               .channels       = MAP(S3C2443_DMAREQSEL_SPI1RX),
+       },
+       [DMACH_SPI1_TX] = { /* only on S3C2443/S3C2450 */
+               .name           = "spi1-tx",
                .channels       = MAP(S3C2443_DMAREQSEL_SPI1TX),
        },
        [DMACH_UART0] = {

diff --git a/arch/arm/mach-s3c24xx/include/mach/dma.h b/arch/arm/mach-s3c24xx/include/mach/dma.h
index acbdfec..454831b 100644 (file)
--- a/arch/arm/mach-s3c24xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c24xx/include/mach/dma.h
@@ -47,6 +47,10 @@ enum dma_ch {
        DMACH_UART2_SRC2,
        DMACH_UART3,            /* s3c2443 has extra uart */
        DMACH_UART3_SRC2,
+       DMACH_SPI0_TX,          /* s3c2443/2416/2450 hsspi0 */
+       DMACH_SPI0_RX,          /* s3c2443/2416/2450 hsspi0 */
+       DMACH_SPI1_TX,          /* s3c2443/2450 hsspi1 */
+       DMACH_SPI1_RX,          /* s3c2443/2450 hsspi1 */
        DMACH_MAX,              /* the end entry */
 };
 

diff --git a/arch/arm/mach-s3c24xx/include/mach/map.h b/arch/arm/mach-s3c24xx/include/mach/map.h
index 78ae807..8ba381f 100644 (file)
--- a/arch/arm/mach-s3c24xx/include/mach/map.h
+++ b/arch/arm/mach-s3c24xx/include/mach/map.h
@@ -98,6 +98,8 @@
 
 /* SPI */
 #define S3C2410_PA_SPI    (0x59000000)
+#define S3C2443_PA_SPI0                (0x52000000)
+#define S3C2443_PA_SPI1                S3C2410_PA_SPI
 
 /* SDI */
 #define S3C2410_PA_SDI    (0x5A000000)
@@ -162,4 +164,7 @@
 #define S3C_PA_WDT         S3C2410_PA_WATCHDOG
 #define S3C_PA_NAND        S3C24XX_PA_NAND
 
+#define S3C_PA_SPI0            S3C2443_PA_SPI0
+#define S3C_PA_SPI1            S3C2443_PA_SPI1
+
 #endif /* __ASM_ARCH_MAP_H */

diff --git a/arch/arm/mach-s3c24xx/setup-spi.c b/arch/arm/mach-s3c24xx/setup-spi.c
new file mode 100644 (file)
index 0000000..5712c85
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/setup-spi.c
@@ -0,0 +1,39 @@
+/*
+ * HS-SPI device setup for S3C2443/S3C2416
+ *
+ * Copyright (C) 2011 Samsung Electronics Ltd.
+ *             http://www.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/gpio.h>
+#include <linux/platform_device.h>
+
+#include <plat/gpio-cfg.h>
+#include <plat/s3c64xx-spi.h>
+
+#include <mach/hardware.h>
+#include <mach/regs-gpio.h>
+
+#ifdef CONFIG_S3C64XX_DEV_SPI0
+struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
+       .fifo_lvl_mask  = 0x7f,
+       .rx_lvl_offset  = 13,
+       .tx_st_done     = 21,
+       .high_speed     = 1,
+};
+
+int s3c64xx_spi0_cfg_gpio(struct platform_device *pdev)
+{
+       /* enable hsspi bit in misccr */
+       s3c2410_modify_misccr(S3C2416_MISCCR_HSSPI_EN2, 1);
+
+       s3c_gpio_cfgall_range(S3C2410_GPE(11), 3,
+                             S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+
+       return 0;
+}
+#endif

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 00c0240..cd2fe35 100644 (file)
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -311,7 +311,7 @@ config SPI_S3C24XX_FIQ
 
 config SPI_S3C64XX
        tristate "Samsung S3C64XX series type SPI"
-       depends on (ARCH_S3C64XX || ARCH_S5P64X0 || ARCH_EXYNOS)
+       depends on (ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5P64X0 || ARCH_EXYNOS)
        select S3C64XX_DMA if ARCH_S3C64XX
        help
          SPI driver for Samsung S3C64XX and newer SoCs.