linux-kernel - [PATCH 1/3] ARM: OMAP2+: hwmod-data: Add SSI information

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Date:	Sun, 11 Aug 2013 18:17:55 +0200
From:	Sebastian Reichel <sre@...ian.org>
To:	linux-kernel@...r.kernel.org
Cc:	linux-omap@...r.kernel.org, linus.walleij@...aro.org,
	Kevin Hilman <khilman@...prootsystems.com>,
	Shubhrajyoti Datta <omaplinuxkernel@...il.com>,
	Carlos Chinea <cch.devel@...il.com>,
	Sebastian Reichel <sre@...g0.de>
Subject: [PATCH 1/3] ARM: OMAP2+: hwmod-data: Add SSI information

From: Sebastian Reichel <sre@...g0.de>

This patch adds Synchronous Serial Interface (SSI) hwmod support for
OMAP34xx SoCs.
---
 arch/arm/mach-omap2/omap_hwmod_3xxx_data.c |  104 ++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)

diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 0c3a427..74006c4 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -3693,6 +3693,109 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_core__aes = {
 	.user		= OCP_USER_MPU | OCP_USER_SDMA,
 };
 
+/*
+ * 'ssi' class
+ * synchronous serial interface (multichannel and full-duplex serial if)
+ */
+
+static struct omap_hwmod_class_sysconfig omap34xx_ssi_sysc = {
+	.rev_offs	= 0x0000,
+	.sysc_offs	= 0x0010,
+	.syss_offs	= 0x0014,
+	.sysc_flags	= (SYSC_HAS_AUTOIDLE | SYSC_HAS_EMUFREE |
+			   SYSC_HAS_MIDLEMODE | SYSC_HAS_SIDLEMODE |
+			   SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
+	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
+			   SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO |
+			   MSTANDBY_SMART | MSTANDBY_SMART_WKUP),
+	.sysc_fields	= &omap_hwmod_sysc_type1,
+};
+
+static struct omap_hwmod_class omap34xx_ssi_hwmod_class = {
+	.name	= "ssi",
+	.sysc	= &omap34xx_ssi_sysc,
+};
+
+static struct omap_hwmod_irq_info omap34xx_ssi_irqs[] = {
+	{ .name = "ssi_p1_mpu_irq0", .irq = 67 },
+	{ .name = "ssi_p1_mpu_irq1", .irq = 68 },
+	{ .name = "ssi_p2_mpu_irq0", .irq = 69 },
+	{ .name = "ssi_p2_mpu_irq1", .irq = 70 },
+	{ .name = "ssi_gdd_mpu",     .irq = 71 },
+	{ .irq = -1 },
+};
+
+static struct omap_hwmod_addr_space omap34xx_ssi_addrs[] = {
+	{
+		.name		= "sys",
+		.pa_start	= 0x48058000,
+		.pa_end		= 0x48058fff,
+		.flags		= ADDR_TYPE_RT,
+	},
+	{
+		/* generic distributed DMA */
+		.name		= "gdd",
+		.pa_start	= 0x48059000,
+		.pa_end		= 0x48059fff,
+		.flags		= ADDR_TYPE_RT,
+	},
+	{
+		/* port 1: synchronous serial transmitter */
+		.name		= "p1_sst",
+		.pa_start	= 0x4805a000,
+		.pa_end		= 0x4805a7ff,
+		.flags		= ADDR_TYPE_RT,
+	},
+	{
+		/* port 1: synchronous serial receiver */
+		.name		= "p1_ssr",
+		.pa_start	= 0x4805a800,
+		.pa_end		= 0x4805afff,
+		.flags		= ADDR_TYPE_RT,
+	},
+	{
+		/* port 2: synchronous serial transmitter */
+		.name		= "p2_sst",
+		.pa_start	= 0x4805b000,
+		.pa_end		= 0x4805b7ff,
+		.flags		= ADDR_TYPE_RT,
+	},
+	{
+		/* port 2: synchronous serial receiver */
+		.name		= "p2_ssr",
+		.pa_start	= 0x4805b800,
+		.pa_end		= 0x4805bfff,
+		.flags		= ADDR_TYPE_RT,
+	},
+	{}
+};
+
+static struct omap_hwmod omap34xx_ssi_hwmod = {
+	.name		= "ssi",
+	.class		= &omap34xx_ssi_hwmod_class,
+	.clkdm_name	= "l3_init_clkdm",
+	.mpu_irqs	= omap34xx_ssi_irqs,
+	.main_clk	= "ssi_ssr_fck",
+	.prcm		= {
+		.omap2 = {
+			.prcm_reg_id		= 1,
+			.module_bit		= OMAP3430_EN_SSI_SHIFT,
+			.module_offs		= WKUP_MOD,
+			.idlest_reg_id		= 1,
+			.idlest_idle_bit	= OMAP3430ES2_ST_SSI_IDLE_SHIFT,
+		},
+	},
+};
+
+/* SSI -> l3 */
+static struct omap_hwmod_ocp_if omap34xx_l3__ssi = {
+	.master		= &omap3xxx_l3_main_hwmod,
+	.slave		= &omap34xx_ssi_hwmod,
+	.clk		= "ssi_ick",
+	.addr		= omap34xx_ssi_addrs,
+	.user		= OCP_USER_MPU | OCP_USER_SDMA,
+};
+
 static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = {
 	&omap3xxx_l3_main__l4_core,
 	&omap3xxx_l3_main__l4_per,
@@ -3818,6 +3921,7 @@ static struct omap_hwmod_ocp_if *omap34xx_hwmod_ocp_ifs[] __initdata = {
 #ifdef CONFIG_OMAP_IOMMU_IVA2
 	&omap3xxx_l3_main__mmu_iva,
 #endif
+	&omap34xx_l3__ssi,
 	NULL
 };
 
-- 
1.7.10.4

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