[PATCH v3 1/6] OMAP2420: hwmod data: Add McSPI
Govindraj.R
govindraj.raja at ti.com
Mon Jan 17 09:23:11 EST 2011
Update the omap2420 hwmod data with the McSPI info.
Add a device attribute structure which will be used
for passing number of chipselects from hwmod data.
Add revision macros to be passed from rev field from
hwmod.
Signed-off-by: Charulatha V <charu at ti.com>
Signed-off-by: Govindraj.R <govindraj.raja at ti.com>
Acked-by: Grant Likely <grant.likely at secretlab.ca>
---
arch/arm/mach-omap2/omap_hwmod_2420_data.c | 156 ++++++++++++++++++++++++++++
arch/arm/plat-omap/include/plat/mcspi.h | 8 ++
2 files changed, 164 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index b85c630..27c00be 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -18,6 +18,7 @@
#include <plat/serial.h>
#include <plat/i2c.h>
#include <plat/gpio.h>
+#include <plat/mcspi.h>
#include "omap_hwmod_common_data.h"
@@ -44,6 +45,8 @@ static struct omap_hwmod omap2420_gpio2_hwmod;
static struct omap_hwmod omap2420_gpio3_hwmod;
static struct omap_hwmod omap2420_gpio4_hwmod;
static struct omap_hwmod omap2420_dma_system_hwmod;
+static struct omap_hwmod omap2420_mcspi1_hwmod;
+static struct omap_hwmod omap2420_mcspi2_hwmod;
/* L3 -> L4_CORE interface */
static struct omap_hwmod_ocp_if omap2420_l3_main__l4_core = {
@@ -88,6 +91,42 @@ static struct omap_hwmod omap2420_uart3_hwmod;
static struct omap_hwmod omap2420_i2c1_hwmod;
static struct omap_hwmod omap2420_i2c2_hwmod;
+/* l4 core -> mcspi1 interface */
+static struct omap_hwmod_addr_space omap2420_mcspi1_addr_space[] = {
+ {
+ .pa_start = 0x48098000,
+ .pa_end = 0x480980ff,
+ .flags = ADDR_TYPE_RT,
+ },
+};
+
+static struct omap_hwmod_ocp_if omap2420_l4_core__mcspi1 = {
+ .master = &omap2420_l4_core_hwmod,
+ .slave = &omap2420_mcspi1_hwmod,
+ .clk = "mcspi1_ick",
+ .addr = omap2420_mcspi1_addr_space,
+ .addr_cnt = ARRAY_SIZE(omap2420_mcspi1_addr_space),
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
+/* l4 core -> mcspi2 interface */
+static struct omap_hwmod_addr_space omap2420_mcspi2_addr_space[] = {
+ {
+ .pa_start = 0x4809a000,
+ .pa_end = 0x4809a0ff,
+ .flags = ADDR_TYPE_RT,
+ },
+};
+
+static struct omap_hwmod_ocp_if omap2420_l4_core__mcspi2 = {
+ .master = &omap2420_l4_core_hwmod,
+ .slave = &omap2420_mcspi2_hwmod,
+ .clk = "mcspi2_ick",
+ .addr = omap2420_mcspi2_addr_space,
+ .addr_cnt = ARRAY_SIZE(omap2420_mcspi2_addr_space),
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
/* L4_CORE -> L4_WKUP interface */
static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = {
.master = &omap2420_l4_core_hwmod,
@@ -864,6 +903,119 @@ static struct omap_hwmod omap2420_dma_system_hwmod = {
.flags = HWMOD_NO_IDLEST,
};
+/*
+ * 'mcspi' class
+ * multichannel serial port interface (mcspi) / master/slave synchronous serial
+ * bus
+ */
+
+static struct omap_hwmod_class_sysconfig omap2420_mcspi_sysc = {
+ .rev_offs = 0x0000,
+ .sysc_offs = 0x0010,
+ .syss_offs = 0x0014,
+ .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE |
+ SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
+ SYSC_HAS_AUTOIDLE),
+ .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
+ .sysc_fields = &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap2420_mcspi_class = {
+ .name = "mcspi",
+ .sysc = &omap2420_mcspi_sysc,
+ .rev = OMAP2_MCSPI_REV,
+};
+
+/* mcspi1 */
+static struct omap_hwmod_irq_info omap2420_mcspi1_mpu_irqs[] = {
+ { .irq = 65 },
+};
+
+static struct omap_hwmod_dma_info omap2420_mcspi1_sdma_reqs[] = {
+ { .name = "tx0", .dma_req = 35 }, /* DMA_SPI1_TX0 */
+ { .name = "rx0", .dma_req = 36 }, /* DMA_SPI1_RX0 */
+ { .name = "tx1", .dma_req = 37 }, /* DMA_SPI1_TX1 */
+ { .name = "rx1", .dma_req = 38 }, /* DMA_SPI1_RX1 */
+ { .name = "tx2", .dma_req = 39 }, /* DMA_SPI1_TX2 */
+ { .name = "rx2", .dma_req = 40 }, /* DMA_SPI1_RX2 */
+ { .name = "tx3", .dma_req = 41 }, /* DMA_SPI1_TX3 */
+ { .name = "rx3", .dma_req = 42 }, /* DMA_SPI1_RX3 */
+};
+
+static struct omap_hwmod_ocp_if *omap2420_mcspi1_slaves[] = {
+ &omap2420_l4_core__mcspi1,
+};
+
+static struct omap2_mcspi_dev_attr omap_mcspi1_dev_attr = {
+ .num_chipselect = 4,
+};
+
+static struct omap_hwmod omap2420_mcspi1_hwmod = {
+ .name = "mcspi1_hwmod",
+ .mpu_irqs = omap2420_mcspi1_mpu_irqs,
+ .mpu_irqs_cnt = ARRAY_SIZE(omap2420_mcspi1_mpu_irqs),
+ .sdma_reqs = omap2420_mcspi1_sdma_reqs,
+ .sdma_reqs_cnt = ARRAY_SIZE(omap2420_mcspi1_sdma_reqs),
+ .main_clk = "mcspi1_fck",
+ .prcm = {
+ .omap2 = {
+ .module_offs = CORE_MOD,
+ .prcm_reg_id = 1,
+ .module_bit = OMAP24XX_EN_MCSPI1_SHIFT,
+ .idlest_reg_id = 1,
+ .idlest_idle_bit = OMAP24XX_ST_MCSPI1_SHIFT,
+ },
+ },
+ .slaves = omap2420_mcspi1_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap2420_mcspi1_slaves),
+ .class = &omap2420_mcspi_class,
+ .dev_attr = &omap_mcspi1_dev_attr,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
+};
+
+/* mcspi2 */
+static struct omap_hwmod_irq_info omap2420_mcspi2_mpu_irqs[] = {
+ { .irq = 66 },
+};
+
+static struct omap_hwmod_dma_info omap2420_mcspi2_sdma_reqs[] = {
+ { .name = "tx0", .dma_req = 43 }, /* DMA_SPI2_TX0 */
+ { .name = "rx0", .dma_req = 44 }, /* DMA_SPI2_RX0 */
+ { .name = "tx1", .dma_req = 45 }, /* DMA_SPI2_TX1 */
+ { .name = "rx1", .dma_req = 46 }, /* DMA_SPI2_RX1 */
+};
+
+static struct omap_hwmod_ocp_if *omap2420_mcspi2_slaves[] = {
+ &omap2420_l4_core__mcspi2,
+};
+
+static struct omap2_mcspi_dev_attr omap_mcspi2_dev_attr = {
+ .num_chipselect = 2,
+};
+
+static struct omap_hwmod omap2420_mcspi2_hwmod = {
+ .name = "mcspi2_hwmod",
+ .mpu_irqs = omap2420_mcspi2_mpu_irqs,
+ .mpu_irqs_cnt = ARRAY_SIZE(omap2420_mcspi2_mpu_irqs),
+ .sdma_reqs = omap2420_mcspi2_sdma_reqs,
+ .sdma_reqs_cnt = ARRAY_SIZE(omap2420_mcspi2_sdma_reqs),
+ .main_clk = "mcspi2_fck",
+ .prcm = {
+ .omap2 = {
+ .module_offs = CORE_MOD,
+ .prcm_reg_id = 1,
+ .module_bit = OMAP24XX_EN_MCSPI2_SHIFT,
+ .idlest_reg_id = 1,
+ .idlest_idle_bit = OMAP24XX_ST_MCSPI2_SHIFT,
+ },
+ },
+ .slaves = omap2420_mcspi2_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap2420_mcspi2_slaves),
+ .class = &omap2420_mcspi_class,
+ .dev_attr = &omap_mcspi2_dev_attr,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420),
+};
+
static __initdata struct omap_hwmod *omap2420_hwmods[] = {
&omap2420_l3_main_hwmod,
&omap2420_l4_core_hwmod,
@@ -885,6 +1037,10 @@ static __initdata struct omap_hwmod *omap2420_hwmods[] = {
/* dma_system class*/
&omap2420_dma_system_hwmod,
+
+ /* mcspi class */
+ &omap2420_mcspi1_hwmod,
+ &omap2420_mcspi2_hwmod,
NULL,
};
diff --git a/arch/arm/plat-omap/include/plat/mcspi.h b/arch/arm/plat-omap/include/plat/mcspi.h
index 1254e49..560e266 100644
--- a/arch/arm/plat-omap/include/plat/mcspi.h
+++ b/arch/arm/plat-omap/include/plat/mcspi.h
@@ -1,10 +1,18 @@
#ifndef _OMAP2_MCSPI_H
#define _OMAP2_MCSPI_H
+#define OMAP2_MCSPI_REV 0
+#define OMAP3_MCSPI_REV 1
+#define OMAP4_MCSPI_REV 2
+
struct omap2_mcspi_platform_config {
unsigned short num_cs;
};
+struct omap2_mcspi_dev_attr {
+ unsigned short num_chipselect;
+};
+
struct omap2_mcspi_device_config {
unsigned turbo_mode:1;
--
1.7.1
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