Introduce UART4 hwmod data for OMAP3630
Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Govindraj.R <govindraj.raja@xxxxxx>
---
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 54 ++++++++++++++++++++++++++++
arch/arm/mach-omap2/prcm-common.h | 2 +
arch/arm/plat-omap/include/plat/dma.h | 2 +
arch/arm/plat-omap/include/plat/irqs.h | 2 +
4 files changed, 60 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 5f74c34..079a65e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -86,6 +86,7 @@ static struct omap_hwmod omap3xxx_l4_wkup_hwmod;
static struct omap_hwmod omap3xxx_uart1_hwmod;
static struct omap_hwmod omap3xxx_uart2_hwmod;
static struct omap_hwmod omap3xxx_uart3_hwmod;
+static struct omap_hwmod omap3xxx_uart4_hwmod;
static struct omap_hwmod omap3xxx_mmc1_hwmod;
static struct omap_hwmod omap3xxx_mmc2_hwmod;
static struct omap_hwmod omap3xxx_mmc3_hwmod;
@@ -151,6 +152,24 @@ static struct omap_hwmod_ocp_if omap3_l4_per__uart3 = {
.user = OCP_USER_MPU | OCP_USER_SDMA,
};
+/* L4 PER -> UART4 interface */
+static struct omap_hwmod_addr_space omap3xxx_uart4_addr_space[] = {
+ {
+ .pa_start = OMAP3_UART4_BASE,
+ .pa_end = OMAP3_UART4_BASE + SZ_1K - 1,
+ .flags = ADDR_MAP_ON_INIT | ADDR_TYPE_RT,
+ },
+};
+
+static struct omap_hwmod_ocp_if omap3_l4_per__uart4 = {
+ .master = &omap3xxx_l4_per_hwmod,
+ .slave = &omap3xxx_uart4_hwmod,
+ .clk = "uart4_ick",
+ .addr = omap3xxx_uart4_addr_space,
+ .addr_cnt = ARRAY_SIZE(omap3xxx_uart4_addr_space),
+ .user = OCP_USER_MPU | OCP_USER_SDMA,
+};
+
/* L4 CORE -> MMC1 interface */
static struct omap_hwmod_addr_space omap3xxx_mmc1_addr_space[] = {
{
@@ -257,6 +276,7 @@ static struct omap_hwmod_ocp_if *omap3xxx_l4_per_slaves[] = {
/* Master interfaces on the L4_PER interconnect */
static struct omap_hwmod_ocp_if *omap3xxx_l4_per_masters[] = {
&omap3_l4_per__uart3,
+ &omap3_l4_per__uart4,
};
/* L4 PER */
@@ -425,6 +445,40 @@ static struct omap_hwmod omap3xxx_uart3_hwmod = {
.omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3430),
};
+/* UART4 */
+
+static struct omap_hwmod_irq_info uart4_mpu_irqs[] = {
+ { .irq = INT_36XX_UART4_IRQ, },
+};
+
+static struct omap_hwmod_dma_info uart4_sdma_chs[] = {
+ { .name = "rx", .dma_ch = OMAP36XX_DMA_UART4_RX, },
+ { .name = "tx", .dma_ch = OMAP36XX_DMA_UART4_TX, },
+};
+
+static struct omap_hwmod_ocp_if *omap3xxx_uart4_slaves[] = {
+ &omap3_l4_per__uart4,
+};
+
+static struct omap_hwmod omap3xxx_uart4_hwmod = {
+ .name = "uart4",
+ .mpu_irqs = uart4_mpu_irqs,
+ .mpu_irqs_cnt = ARRAY_SIZE(uart4_mpu_irqs),
+ .sdma_chs = uart4_sdma_chs,
+ .sdma_chs_cnt = ARRAY_SIZE(uart4_sdma_chs),
+ .main_clk = "uart4_fck",
+ .prcm = {
+ .omap2 = {
+ .prcm_reg_id = 1,
+ .module_bit = OMAP3630_EN_UART4_SHIFT,
+ },
+ },
+ .slaves = omap3xxx_uart4_slaves,
+ .slaves_cnt = ARRAY_SIZE(omap3xxx_uart4_slaves),
+ .class = &uart_class,
+ .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP3630ES1),
+};
+
/* MMC/SD/SDIO common */
static struct omap_hwmod_class_sysconfig mmc_sysc = {
diff --git a/arch/arm/mach-omap2/prcm-common.h b/arch/arm/mach-omap2/prcm-common.h
index 90f603d..0fc20c9 100644
--- a/arch/arm/mach-omap2/prcm-common.h
+++ b/arch/arm/mach-omap2/prcm-common.h
@@ -390,6 +390,8 @@
#define OMAP3430_EN_MPU_SHIFT 1
/* CM_FCLKEN_PER, CM_ICLKEN_PER, PM_WKEN_PER shared bits */
+#define OMAP3630_EN_UART4 (1 << 18)
+#define OMAP3630_EN_UART4_SHIFT 18
#define OMAP3430_EN_GPIO6 (1 << 17)
#define OMAP3430_EN_GPIO6_SHIFT 17
#define OMAP3430_EN_GPIO5 (1 << 16)
diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h
index 02232ca..105bdb5 100644
--- a/arch/arm/plat-omap/include/plat/dma.h
+++ b/arch/arm/plat-omap/include/plat/dma.h
@@ -319,6 +319,8 @@
#define OMAP34XX_DMA_USIM_TX 79 /* S_DMA_78 */
#define OMAP34XX_DMA_USIM_RX 80 /* S_DMA_79 */
+#define OMAP36XX_DMA_UART4_TX 81 /* S_DMA_80 */
+#define OMAP36XX_DMA_UART4_RX 82 /* S_DMA_81 */
/*----------------------------------------------------------------------------*/
#define OMAP1_DMA_TOUT_IRQ (1 << 0)
diff --git a/arch/arm/plat-omap/include/plat/irqs.h b/arch/arm/plat-omap/include/plat/irqs.h
index 4017019..1732cca 100644
--- a/arch/arm/plat-omap/include/plat/irqs.h
+++ b/arch/arm/plat-omap/include/plat/irqs.h
@@ -345,6 +345,8 @@
#define INT_34XX_MMC3_IRQ 94
#define INT_34XX_GPT12_IRQ 95
+#define INT_36XX_UART4_IRQ 80
+
#define INT_35XX_HECC0_IRQ 24
#define INT_35XX_HECC1_IRQ 28
#define INT_35XX_EMAC_C0_RXTHRESH_IRQ 67
--
1.6.3.3
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