ARM: mach-shmobile: sh73a0 i2c_shmobile support.

Platform device resource/data definition for CPU, and clkdev entries

Signed-off-by: Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 134 insertions, 2 deletions

diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 82c72512dc91..6e48aaefbab1 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -40,21 +40,30 @@ static struct clk sub_clk = {
         .rate           = 48000000,
 };
 
+/* Temporarily fixed 104 MHz HP clock */
+static struct clk hp_clk = {
+        .rate           = 104000000,
+};
+
 static struct clk *main_clks[] = {
         &r_clk,
         &sub_clk,
+        &hp_clk,
 };
 
 enum { MSTP219,
-        MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-        MSTP331, MSTP329, MSTP403,
+        MSTP001, MSTP116, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202,
+        MSTP201, MSTP200, MSTP323, MSTP331, MSTP329, MSTP312, MSTP411,
+        MSTP410, MSTP403,
         MSTP_NR };
 
 #define MSTP(_parent, _reg, _bit, _flags) \
         SH_CLK_MSTP32(_parent, _reg, _bit, _flags)
 
 static struct clk mstp_clks[MSTP_NR] = {
+        [MSTP001] = MSTP(&hp_clk, SMSTPCR0, 1, 0), /* I2C2 */
         [MSTP219] = MSTP(&sub_clk, SMSTPCR2, 19, 0), /* SCIFA7 */
+        [MSTP116] = MSTP(&hp_clk, SMSTPCR1, 16, 0), /* I2C0 */
         [MSTP207] = MSTP(&sub_clk, SMSTPCR2, 7, 0), /* SCIFA5 */
         [MSTP206] = MSTP(&sub_clk, SMSTPCR2, 6, 0), /* SCIFB */
         [MSTP204] = MSTP(&sub_clk, SMSTPCR2, 4, 0), /* SCIFA0 */
@@ -64,7 +73,10 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP200] = MSTP(&sub_clk, SMSTPCR2, 0, 0), /* SCIFA4 */
         [MSTP331] = MSTP(&sub_clk, SMSTPCR3, 31, 0), /* SCIFA6 */
         [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
+        [MSTP323] = MSTP(&hp_clk, SMSTPCR3, 23, 0), /* I2C1 */
         [MSTP403] = MSTP(&r_clk, SMSTPCR4, 0, 0), /* KEYSC0 */
+        [MSTP411] = MSTP(&hp_clk, SMSTPCR4, 11, 0), /* I2C3 */
+        [MSTP410] = MSTP(&hp_clk, SMSTPCR4, 10, 0), /* I2C4 */
 };
 
 #define CLKDEV_DEV_ID(_id, _clk) { .dev_id = _id, .clk = _clk }
@@ -82,6 +94,11 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
         CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
         CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC0 */
+        CLKDEV_DEV_ID("i2c-sh_mobile.0", &mstp_clks[MSTP116]), /* I2C0 */
+        CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
+        CLKDEV_DEV_ID("i2c-sh_mobile.2", &mstp_clks[MSTP001]), /* I2C2 */
+        CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
+        CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */
 };
 
 void __init sh73a0_clock_init(void)
diff --git a/arch/arm/mach-shmobile/setup-sh73a0.c b/arch/arm/mach-shmobile/setup-sh73a0.c
index 0bc110615aa9..53f1ea66efbc 100644
--- a/arch/arm/mach-shmobile/setup-sh73a0.c
+++ b/arch/arm/mach-shmobile/setup-sh73a0.c
@@ -208,6 +208,111 @@ static struct platform_device cmt10_device = {
         .num_resources  = ARRAY_SIZE(cmt10_resources),
 };
 
+static struct resource i2c0_resources[] = {
+        [0] = {
+                .name   = "IIC0",
+                .start  = 0xe6820000,
+                .end    = 0xe6820425 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(167),
+                .end    = gic_spi(170),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource i2c1_resources[] = {
+        [0] = {
+                .name   = "IIC1",
+                .start  = 0xe6822000,
+                .end    = 0xe6822425 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(51),
+                .end    = gic_spi(54),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource i2c2_resources[] = {
+        [0] = {
+                .name   = "IIC2",
+                .start  = 0xe6824000,
+                .end    = 0xe6824425 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(171),
+                .end    = gic_spi(174),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource i2c3_resources[] = {
+        [0] = {
+                .name   = "IIC3",
+                .start  = 0xe6826000,
+                .end    = 0xe6826425 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(183),
+                .end    = gic_spi(186),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct resource i2c4_resources[] = {
+        [0] = {
+                .name   = "IIC4",
+                .start  = 0xe6828000,
+                .end    = 0xe6828425 - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start  = gic_spi(187),
+                .end    = gic_spi(190),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device i2c0_device = {
+        .name           = "i2c-sh_mobile",
+        .id             = 0,
+        .resource       = i2c0_resources,
+        .num_resources  = ARRAY_SIZE(i2c0_resources),
+};
+
+static struct platform_device i2c1_device = {
+        .name           = "i2c-sh_mobile",
+        .id             = 1,
+        .resource       = i2c1_resources,
+        .num_resources  = ARRAY_SIZE(i2c1_resources),
+};
+
+static struct platform_device i2c2_device = {
+        .name           = "i2c-sh_mobile",
+        .id             = 2,
+        .resource       = i2c2_resources,
+        .num_resources  = ARRAY_SIZE(i2c2_resources),
+};
+
+static struct platform_device i2c3_device = {
+        .name           = "i2c-sh_mobile",
+        .id             = 3,
+        .resource       = i2c3_resources,
+        .num_resources  = ARRAY_SIZE(i2c3_resources),
+};
+
+static struct platform_device i2c4_device = {
+        .name           = "i2c-sh_mobile",
+        .id             = 4,
+        .resource       = i2c4_resources,
+        .num_resources  = ARRAY_SIZE(i2c4_resources),
+};
+
 static struct platform_device *sh73a0_early_devices[] __initdata = {
         &scif0_device,
         &scif1_device,
@@ -221,10 +326,20 @@ static struct platform_device *sh73a0_early_devices[] __initdata = {
         &cmt10_device,
 };
 
+static struct platform_device *sh73a0_late_devices[] __initdata = {
+        &i2c0_device,
+        &i2c1_device,
+        &i2c2_device,
+        &i2c3_device,
+        &i2c4_device,
+};
+
 void __init sh73a0_add_standard_devices(void)
 {
         platform_add_devices(sh73a0_early_devices,
                             ARRAY_SIZE(sh73a0_early_devices));
+        platform_add_devices(sh73a0_late_devices,
+                            ARRAY_SIZE(sh73a0_late_devices));
 }
 
 void __init sh73a0_add_early_devices(void)