From: Paul Walmsley <paul@xxxxxxxxx> Add hwmod structures for I2C controllers on OMAP2420/2430. Signed-off-by: Paul Walmsley <paul@xxxxxxxxx> Signed-off-by: Rajendra Nayak <rnayak@xxxxxx> Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> --- v4 contains fixes for issues reported here http://marc.info/?l=linux-omap&m=128570513206195&w=2 arch/arm/mach-omap2/cm-regbits-24xx.h | 4 + arch/arm/mach-omap2/omap_hwmod_2420_data.c | 142 +++++++++++++++++++++++++- arch/arm/mach-omap2/omap_hwmod_2430_data.c | 156 +++++++++++++++++++++++++++- 3 files changed, 298 insertions(+), 4 deletions(-) diff --git a/arch/arm/mach-omap2/cm-regbits-24xx.h b/arch/arm/mach-omap2/cm-regbits-24xx.h index da51cc3..9a106c0 100644 --- a/arch/arm/mach-omap2/cm-regbits-24xx.h +++ b/arch/arm/mach-omap2/cm-regbits-24xx.h @@ -126,8 +126,12 @@ #define OMAP24XX_ST_HDQ_MASK (1 << 23) #define OMAP2420_ST_I2C2_SHIFT 20 #define OMAP2420_ST_I2C2_MASK (1 << 20) +#define OMAP2430_ST_I2CHS1_SHIFT 19 +#define OMAP2430_ST_I2CHS1_MASK (1 << 19) #define OMAP2420_ST_I2C1_SHIFT 19 #define OMAP2420_ST_I2C1_MASK (1 << 19) +#define OMAP2430_ST_I2CHS2_SHIFT 20 +#define OMAP2430_ST_I2CHS2_MASK (1 << 20) #define OMAP24XX_ST_MCBSP2_SHIFT 16 #define OMAP24XX_ST_MCBSP2_MASK (1 << 16) #define OMAP24XX_ST_MCBSP1_SHIFT 15 diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c index 3cc768e..25d6da2 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c @@ -15,9 +15,12 @@ #include <mach/irqs.h> #include <plat/cpu.h> #include <plat/dma.h> +#include <plat/i2c.h> +#include <plat/omap24xx.h> #include "omap_hwmod_common_data.h" +#include "cm-regbits-24xx.h" #include "prm-regbits-24xx.h" /* @@ -71,6 +74,8 @@ static struct omap_hwmod omap2420_l3_main_hwmod = { }; static struct omap_hwmod omap2420_l4_wkup_hwmod; +static struct omap_hwmod omap2420_i2c1_hwmod; +static struct omap_hwmod omap2420_i2c2_hwmod; /* L4_CORE -> L4_WKUP interface */ static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = { @@ -79,6 +84,45 @@ static struct omap_hwmod_ocp_if omap2420_l4_core__l4_wkup = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* I2C IP block address space length (in bytes) */ +#define OMAP2_I2C_AS_LEN 128 + +/* L4 CORE -> I2C1 interface */ +static struct omap_hwmod_addr_space omap2420_i2c1_addr_space[] = { + { + .pa_start = 0x48070000, + .pa_end = 0x48070000 + OMAP2_I2C_AS_LEN - 1, + .flags = ADDR_TYPE_RT, + }, +}; + +static struct omap_hwmod_ocp_if omap2420_l4_core__i2c1 = { + .master = &omap2420_l4_core_hwmod, + .slave = &omap2420_i2c1_hwmod, + .clk = "i2c1_ick", + .addr = omap2420_i2c1_addr_space, + .addr_cnt = ARRAY_SIZE(omap2420_i2c1_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* L4 CORE -> I2C2 interface */ +static struct omap_hwmod_addr_space omap2420_i2c2_addr_space[] = { + { + .pa_start = 0x48072000, + .pa_end = 0x48072000 + OMAP2_I2C_AS_LEN - 1, + .flags = ADDR_TYPE_RT, + }, +}; + +static struct omap_hwmod_ocp_if omap2420_l4_core__i2c2 = { + .master = &omap2420_l4_core_hwmod, + .slave = &omap2420_i2c2_hwmod, + .clk = "i2c2_ick", + .addr = omap2420_i2c2_addr_space, + .addr_cnt = ARRAY_SIZE(omap2420_i2c2_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + /* Slave interfaces on the L4_CORE interconnect */ static struct omap_hwmod_ocp_if *omap2420_l4_core_slaves[] = { &omap2420_l3_main__l4_core, @@ -87,6 +131,8 @@ static struct omap_hwmod_ocp_if *omap2420_l4_core_slaves[] = { /* Master interfaces on the L4_CORE interconnect */ static struct omap_hwmod_ocp_if *omap2420_l4_core_masters[] = { &omap2420_l4_core__l4_wkup, + &omap2420_l4_core__i2c1, + &omap2420_l4_core__i2c2 }; /* L4 CORE */ @@ -165,12 +211,106 @@ static struct omap_hwmod omap2420_iva_hwmod = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420) }; +/* I2C common */ +static struct omap_hwmod_class_sysconfig i2c_sysc = { + .rev_offs = 0x00, + .sysc_offs = 0x20, + .syss_offs = 0x10, + .sysc_flags = SYSC_HAS_SOFTRESET, + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class i2c_class = { + .name = "i2c", + .sysc = &i2c_sysc, +}; + +static struct omap_i2c_dev_attr i2c_dev_attr; + +/* I2C1 */ + +static struct omap_hwmod_irq_info i2c1_mpu_irqs[] = { + { .irq = INT_24XX_I2C1_IRQ, }, +}; + +static struct omap_hwmod_dma_info i2c1_sdma_reqs[] = { + { .name = "tx", .dma_req = OMAP24XX_DMA_I2C1_TX }, + { .name = "rx", .dma_req = OMAP24XX_DMA_I2C1_RX }, +}; + +static struct omap_hwmod_ocp_if *omap2420_i2c1_slaves[] = { + &omap2420_l4_core__i2c1, +}; + +static struct omap_hwmod omap2420_i2c1_hwmod = { + .name = "i2c1", + .mpu_irqs = i2c1_mpu_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(i2c1_mpu_irqs), + .sdma_reqs = i2c1_sdma_reqs, + .sdma_reqs_cnt = ARRAY_SIZE(i2c1_sdma_reqs), + .main_clk = "i2c1_fck", + .prcm = { + .omap2 = { + .module_offs = CORE_MOD, + .prcm_reg_id = 1, + .module_bit = OMAP2420_EN_I2C1_SHIFT, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP2420_ST_I2C1_SHIFT, + }, + }, + .slaves = omap2420_i2c1_slaves, + .slaves_cnt = ARRAY_SIZE(omap2420_i2c1_slaves), + .class = &i2c_class, + .dev_attr = &i2c_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2420), +}; + +/* I2C2 */ + +static struct omap_hwmod_irq_info i2c2_mpu_irqs[] = { + { .irq = INT_24XX_I2C2_IRQ, }, +}; + +static struct omap_hwmod_dma_info i2c2_sdma_reqs[] = { + { .name = "tx", .dma_req = OMAP24XX_DMA_I2C2_TX }, + { .name = "rx", .dma_req = OMAP24XX_DMA_I2C2_RX }, +}; + +static struct omap_hwmod_ocp_if *omap2420_i2c2_slaves[] = { + &omap2420_l4_core__i2c2, +}; + +static struct omap_hwmod omap2420_i2c2_hwmod = { + .name = "i2c2", + .mpu_irqs = i2c2_mpu_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(i2c2_mpu_irqs), + .sdma_reqs = i2c2_sdma_reqs, + .sdma_reqs_cnt = ARRAY_SIZE(i2c2_sdma_reqs), + .main_clk = "i2c2_fck", + .prcm = { + .omap2 = { + .module_offs = CORE_MOD, + .prcm_reg_id = 1, + .module_bit = OMAP2420_EN_I2C2_SHIFT, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP2420_ST_I2C2_SHIFT, + }, + }, + .slaves = omap2420_i2c2_slaves, + .slaves_cnt = ARRAY_SIZE(omap2420_i2c2_slaves), + .class = &i2c_class, + .dev_attr = &i2c_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, &omap2420_l4_wkup_hwmod, &omap2420_mpu_hwmod, &omap2420_iva_hwmod, + &omap2420_i2c1_hwmod, + &omap2420_i2c2_hwmod, NULL, }; @@ -178,5 +318,3 @@ int __init omap2420_hwmod_init(void) { return omap_hwmod_init(omap2420_hwmods); } - - diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c index 4526628..333e156 100644 --- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c @@ -15,10 +15,13 @@ #include <mach/irqs.h> #include <plat/cpu.h> #include <plat/dma.h> +#include <plat/i2c.h> +#include <plat/omap24xx.h> #include "omap_hwmod_common_data.h" #include "prm-regbits-24xx.h" +#include "cm-regbits-24xx.h" /* * OMAP2430 hardware module integration data @@ -71,6 +74,47 @@ static struct omap_hwmod omap2430_l3_main_hwmod = { }; static struct omap_hwmod omap2430_l4_wkup_hwmod; +static struct omap_hwmod omap2430_i2c1_hwmod; +static struct omap_hwmod omap2430_i2c2_hwmod; + +/* I2C IP block address space length (in bytes) */ +#define OMAP2_I2C_AS_LEN 128 + +/* L4 CORE -> I2C1 interface */ +static struct omap_hwmod_addr_space omap2430_i2c1_addr_space[] = { + { + .pa_start = 0x48070000, + .pa_end = 0x48070000 + OMAP2_I2C_AS_LEN - 1, + .flags = ADDR_TYPE_RT, + }, +}; + +static struct omap_hwmod_ocp_if omap2430_l4_core__i2c1 = { + .master = &omap2430_l4_core_hwmod, + .slave = &omap2430_i2c1_hwmod, + .clk = "i2c1_ick", + .addr = omap2430_i2c1_addr_space, + .addr_cnt = ARRAY_SIZE(omap2430_i2c1_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* L4 CORE -> I2C2 interface */ +static struct omap_hwmod_addr_space omap2430_i2c2_addr_space[] = { + { + .pa_start = 0x48072000, + .pa_end = 0x48072000 + OMAP2_I2C_AS_LEN - 1, + .flags = ADDR_TYPE_RT, + }, +}; + +static struct omap_hwmod_ocp_if omap2430_l4_core__i2c2 = { + .master = &omap2430_l4_core_hwmod, + .slave = &omap2430_i2c2_hwmod, + .clk = "i2c2_ick", + .addr = omap2430_i2c2_addr_space, + .addr_cnt = ARRAY_SIZE(omap2430_i2c2_addr_space), + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; /* L4_CORE -> L4_WKUP interface */ static struct omap_hwmod_ocp_if omap2430_l4_core__l4_wkup = { @@ -165,12 +209,122 @@ static struct omap_hwmod omap2430_iva_hwmod = { .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430) }; +/* I2C common */ +static struct omap_hwmod_class_sysconfig i2c_sysc = { + .rev_offs = 0x00, + .sysc_offs = 0x20, + .syss_offs = 0x10, + .sysc_flags = (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class i2c_class = { + .name = "i2c", + .sysc = &i2c_sysc, +}; + +static struct omap_i2c_dev_attr i2c_dev_attr; + +/* I2C1 */ + +static struct omap_i2c_dev_attr i2c1_dev_attr = { + .fifo_depth = 8, /* bytes */ +}; + +static struct omap_hwmod_irq_info i2c1_mpu_irqs[] = { + { .irq = INT_24XX_I2C1_IRQ, }, +}; + +static struct omap_hwmod_dma_info i2c1_sdma_reqs[] = { + { .name = "tx", .dma_req = OMAP24XX_DMA_I2C1_TX }, + { .name = "rx", .dma_req = OMAP24XX_DMA_I2C1_RX }, +}; + +static struct omap_hwmod_ocp_if *omap2430_i2c1_slaves[] = { + &omap2430_l4_core__i2c1, +}; + +static struct omap_hwmod omap2430_i2c1_hwmod = { + .name = "i2c1", + .mpu_irqs = i2c1_mpu_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(i2c1_mpu_irqs), + .sdma_reqs = i2c1_sdma_reqs, + .sdma_reqs_cnt = ARRAY_SIZE(i2c1_sdma_reqs), + .main_clk = "i2chs1_fck", + .prcm = { + .omap2 = { + /* + * NOTE: The CM_FCLKEN* and CM_ICLKEN* for + * I2CHS IP's do not follow the usual pattern. + * prcm_reg_id alone cannot be used to program + * the iclk and fclk. Needs to be handled using + * additonal flags when clk handling is moved + * to hwmod framework. + */ + .module_offs = CORE_MOD, + .prcm_reg_id = 1, + .module_bit = OMAP2430_EN_I2CHS1_SHIFT, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP2430_ST_I2CHS1_SHIFT, + }, + }, + .slaves = omap2430_i2c1_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_i2c1_slaves), + .class = &i2c_class, + .dev_attr = &i2c1_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + +/* I2C2 */ + +static struct omap_i2c_dev_attr i2c2_dev_attr = { + .fifo_depth = 8, /* bytes */ +}; + +static struct omap_hwmod_irq_info i2c2_mpu_irqs[] = { + { .irq = INT_24XX_I2C2_IRQ, }, +}; + +static struct omap_hwmod_dma_info i2c2_sdma_reqs[] = { + { .name = "tx", .dma_req = OMAP24XX_DMA_I2C2_TX }, + { .name = "rx", .dma_req = OMAP24XX_DMA_I2C2_RX }, +}; + +static struct omap_hwmod_ocp_if *omap2430_i2c2_slaves[] = { + &omap2430_l4_core__i2c2, +}; + +static struct omap_hwmod omap2430_i2c2_hwmod = { + .name = "i2c2", + .mpu_irqs = i2c2_mpu_irqs, + .mpu_irqs_cnt = ARRAY_SIZE(i2c2_mpu_irqs), + .sdma_reqs = i2c2_sdma_reqs, + .sdma_reqs_cnt = ARRAY_SIZE(i2c2_sdma_reqs), + .main_clk = "i2chs2_fck", + .prcm = { + .omap2 = { + .module_offs = CORE_MOD, + .prcm_reg_id = 1, + .module_bit = OMAP2430_EN_I2CHS2_SHIFT, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP2430_ST_I2CHS2_SHIFT, + }, + }, + .slaves = omap2430_i2c2_slaves, + .slaves_cnt = ARRAY_SIZE(omap2430_i2c2_slaves), + .class = &i2c_class, + .dev_attr = &i2c2_dev_attr, + .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP2430), +}; + static __initdata struct omap_hwmod *omap2430_hwmods[] = { &omap2430_l3_main_hwmod, &omap2430_l4_core_hwmod, &omap2430_l4_wkup_hwmod, &omap2430_mpu_hwmod, &omap2430_iva_hwmod, + &omap2430_i2c1_hwmod, + &omap2430_i2c2_hwmod, NULL, }; @@ -178,5 +332,3 @@ int __init omap2430_hwmod_init(void) { return omap_hwmod_init(omap2430_hwmods); } - - -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
