[PATCH 2/3] ARM i.MX53 enable spi on EVK board
From: Uwe Kleine-König <hidden>
Date: 2011-01-11 09:15:49
Hello, I'd prefer to have the following subject: ARM: mx5/mx53_evk: add spi device On Mon, Jan 10, 2011 at 08:08:53PM +0800, yong.shen at freescale.com wrote:
quoted hunk ↗ jump to hunk
From: Yong Shen <redacted> 1. some macro definitions fix 2. add platform data for spi device 3. register spi clocks Signed-off-by: Yong Shen <redacted> --- arch/arm/mach-mx5/Kconfig | 1 + arch/arm/mach-mx5/board-mx53_evk.c | 14 ++++++++++++++ arch/arm/mach-mx5/clock-mx51-mx53.c | 3 +++ arch/arm/mach-mx5/devices-imx53.h | 4 ++++ arch/arm/plat-mxc/devices/platform-spi_imx.c | 12 ++++++++++++ arch/arm/plat-mxc/include/mach/mx53.h | 10 +++++----- 6 files changed, 39 insertions(+), 5 deletions(-)diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig index 23b0e3f..777740b 100644 --- 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 4043451..8017d68 100644 --- 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,
don't you need to setup some pinmuxing to make this work?
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+}; + +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 d0f58a3..a20d0c0 100644 --- 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)
maybe this should better go into a seperate patch? (i.e. ARM: mx53: add support to dynamically register imx-spi devices together with the hunks below. Best regards Uwe
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}; 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 f7c89ef..8639735 100644 --- 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 8ea49ad..013c85f 100644 --- 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 340937f..d7a8e52 100644 --- 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-- 1.7.1
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