ARM i.MX53 enable spi on EVK board

1. some macro definitions fix
2. add platform data for spi device
3. register spi clocks

Signed-off-by: Yong Shen <yong.shen@freescale.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 23b0e3f5cad7a72308d7118fdffcb99f5881efef..777740b9ffdd0e7a719569b96f482dd63106b4ef 100644 (file)
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -126,6 +126,7 @@ config MACH_MX53_EVK
        select IMX_HAVE_PLATFORM_IMX_UART
        select IMX_HAVE_PLATFORM_IMX_I2C
        select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
+       select IMX_HAVE_PLATFORM_SPI_IMX
        help
          Include support for MX53 EVK platform. This includes specific
          configurations for the board and its peripherals.

diff --git a/arch/arm/mach-mx5/board-mx53_evk.c b/arch/arm/mach-mx5/board-mx53_evk.c
index 4043451798dbd992ddad6d1b09e71ba8f38c6822..8017d680f1126351ada094866ef544a041b4934f 100644 (file)
--- a/arch/arm/mach-mx5/board-mx53_evk.c
+++ b/arch/arm/mach-mx5/board-mx53_evk.c
@@ -33,6 +33,8 @@
 #include <mach/iomux-mx53.h>
 
 #define SMD_FEC_PHY_RST                IMX_GPIO_NR(7, 6)
+#define EVK_ECSPI1_CS0         IMX_GPIO_NR(3, 19)
+#define EVK_ECSPI1_CS1         IMX_GPIO_NR(2, 30)
 
 #include "crm_regs.h"
 #include "devices-imx53.h"
@@ -89,6 +91,16 @@ static struct fec_platform_data mx53_evk_fec_pdata = {
        .phy = PHY_INTERFACE_MODE_RMII,
 };
 
+static int mx53_evk_spi_cs[] = {
+       EVK_ECSPI1_CS0,
+       EVK_ECSPI1_CS1,
+};
+
+static const struct spi_imx_master mx53_evk_spi_data __initconst = {
+       .chipselect     = mx53_evk_spi_cs,
+       .num_chipselect = ARRAY_SIZE(mx53_evk_spi_cs),
+};
+
 static void __init mx53_evk_board_init(void)
 {
        mxc_iomux_v3_setup_multiple_pads(mx53_evk_pads,
@@ -102,6 +114,8 @@ static void __init mx53_evk_board_init(void)
 
        imx53_add_sdhci_esdhc_imx(0, NULL);
        imx53_add_sdhci_esdhc_imx(1, NULL);
+
+       imx53_add_ecspi(0, &mx53_evk_spi_data);
 }
 
 static void __init mx53_evk_timer_init(void)

diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 15fa89ed5d0cfec639c566497f2b9e9f3466d73c..64fe24900a4d8a0dbc6cc2ef2721d77fcb662c65 100644 (file)
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1330,6 +1330,9 @@ static struct clk_lookup mx53_lookups[] = {
        _REGISTER_CLOCK("imx-i2c.1", NULL, i2c2_clk)
        _REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
        _REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
+       _REGISTER_CLOCK("imx53-ecspi.0", NULL, ecspi1_clk)
+       _REGISTER_CLOCK("imx53-ecspi.1", NULL, ecspi2_clk)
+       _REGISTER_CLOCK("imx53-cspi.0", NULL, cspi_clk)
 };
 
 static void clk_tree_init(void)

diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
index f7c89ef2f6671f37e3d59e1e7573c5dad68a707a..8639735a117b6bec1898d50dd357fe46ede48ed4 100644 (file)
--- a/arch/arm/mach-mx5/devices-imx53.h
+++ b/arch/arm/mach-mx5/devices-imx53.h
@@ -25,3 +25,7 @@ extern const struct imx_sdhci_esdhc_imx_data
 imx53_sdhci_esdhc_imx_data[] __initconst;
 #define imx53_add_sdhci_esdhc_imx(id, pdata)   \
        imx_add_sdhci_esdhc_imx(&imx53_sdhci_esdhc_imx_data[id], pdata)
+
+extern const struct imx_spi_imx_data imx53_ecspi_data[] __initconst;
+#define imx53_add_ecspi(id, pdata)     \
+       imx_add_spi_imx(&imx53_ecspi_data[id], pdata)

diff --git a/arch/arm/plat-mxc/devices/platform-spi_imx.c b/arch/arm/plat-mxc/devices/platform-spi_imx.c
index 8ea49adcdfc1ccfcf3384c416a4aff3aed6dd5ef..013c85f20b5811e75870f92a3726fd41bbb2448d 100644 (file)
--- a/arch/arm/plat-mxc/devices/platform-spi_imx.c
+++ b/arch/arm/plat-mxc/devices/platform-spi_imx.c
@@ -81,6 +81,18 @@ const struct imx_spi_imx_data imx51_ecspi_data[] __initconst = {
 };
 #endif /* ifdef CONFIG_SOC_IMX51 */
 
+#ifdef CONFIG_SOC_IMX53
+const struct imx_spi_imx_data imx53_cspi_data __initconst =
+       imx_spi_imx_data_entry_single(MX53, CSPI, "imx53-cspi", 0, , SZ_4K);
+
+const struct imx_spi_imx_data imx53_ecspi_data[] __initconst = {
+#define imx53_ecspi_data_entry(_id, _hwid)                             \
+       imx_spi_imx_data_entry(MX53, ECSPI, "imx53-ecspi", _id, _hwid, SZ_4K)
+       imx53_ecspi_data_entry(0, 1),
+       imx53_ecspi_data_entry(1, 2),
+};
+#endif /* ifdef CONFIG_SOC_IMX53 */
+
 struct platform_device *__init imx_add_spi_imx(
                const struct imx_spi_imx_data *data,
                const struct spi_imx_master *pdata)

diff --git a/arch/arm/plat-mxc/include/mach/mx53.h b/arch/arm/plat-mxc/include/mach/mx53.h
index 340937f94e6f2a4bf35d848f3bf0366e36399b8c..d7a8e52181ea7c767d731bb6993486b7cfe488d3 100644 (file)
--- a/arch/arm/plat-mxc/include/mach/mx53.h
+++ b/arch/arm/plat-mxc/include/mach/mx53.h
@@ -56,7 +56,7 @@
 #define MX53_ESDHC1_BASE_ADDR  (MX53_SPBA0_BASE_ADDR + 0x00004000)
 #define MX53_ESDHC2_BASE_ADDR  (MX53_SPBA0_BASE_ADDR + 0x00008000)
 #define MX53_UART3_BASE_ADDR           (MX53_SPBA0_BASE_ADDR + 0x0000C000)
-#define MX53_CSPI1_BASE_ADDR           (MX53_SPBA0_BASE_ADDR + 0x00010000)
+#define MX53_ECSPI1_BASE_ADDR          (MX53_SPBA0_BASE_ADDR + 0x00010000)
 #define MX53_SSI2_BASE_ADDR            (MX53_SPBA0_BASE_ADDR + 0x00014000)
 #define MX53_ESDHC3_BASE_ADDR  (MX53_SPBA0_BASE_ADDR + 0x00020000)
 #define MX53_ESDHC4_BASE_ADDR  (MX53_SPBA0_BASE_ADDR + 0x00024000)
@@ -117,12 +117,12 @@
 #define MX53_ARM_BASE_ADDR     (MX53_AIPS2_BASE_ADDR + 0x000A0000)
 #define MX53_OWIRE_BASE_ADDR   (MX53_AIPS2_BASE_ADDR + 0x000A4000)
 #define MX53_FIRI_BASE_ADDR    (MX53_AIPS2_BASE_ADDR + 0x000A8000)
-#define MX53_CSPI2_BASE_ADDR   (MX53_AIPS2_BASE_ADDR + 0x000AC000)
+#define MX53_ECSPI2_BASE_ADDR  (MX53_AIPS2_BASE_ADDR + 0x000AC000)
 #define MX53_SDMA_BASE_ADDR    (MX53_AIPS2_BASE_ADDR + 0x000B0000)
 #define MX53_SCC_BASE_ADDR     (MX53_AIPS2_BASE_ADDR + 0x000B4000)
 #define MX53_ROMCP_BASE_ADDR   (MX53_AIPS2_BASE_ADDR + 0x000B8000)
 #define MX53_RTIC_BASE_ADDR    (MX53_AIPS2_BASE_ADDR + 0x000BC000)
-#define MX53_CSPI3_BASE_ADDR   (MX53_AIPS2_BASE_ADDR + 0x000C0000)
+#define MX53_CSPI_BASE_ADDR    (MX53_AIPS2_BASE_ADDR + 0x000C0000)
 #define MX53_I2C2_BASE_ADDR    (MX53_AIPS2_BASE_ADDR + 0x000C4000)
 #define MX53_I2C1_BASE_ADDR    (MX53_AIPS2_BASE_ADDR + 0x000C8000)
 #define MX53_SSI1_BASE_ADDR    (MX53_AIPS2_BASE_ADDR + 0x000CC000)
@@ -264,8 +264,8 @@
 #define MX53_INT_UART3 33
 #define MX53_INT_RESV34        34
 #define MX53_INT_RESV35        35
-#define MX53_INT_CSPI1 36
-#define MX53_INT_CSPI2 37
+#define MX53_INT_ECSPI1        36
+#define MX53_INT_ECSPI2        37
 #define MX53_INT_CSPI  38
 #define MX53_INT_GPT   39
 #define MX53_INT_EPIT1 40