ARM: S5PC100: Add SPI clkdev support

Registered the SPI bus clocks with clkdev using generic
connection id.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 73 insertions, 51 deletions

diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c
index 69829ba9c01b..eba721b551fc 100644
--- a/arch/arm/mach-s5pc100/clock.c
+++ b/arch/arm/mach-s5pc100/clock.c
@@ -655,24 +655,6 @@ static struct clk init_clocks_off[] = {
                 .enable         = s5pc100_d1_5_ctrl,
                 .ctrlbit        = (1 << 8),
         }, {
-                .name           = "spi_48m",
-                .devname        = "s3c64xx-spi.0",
-                .parent         = &clk_mout_48m.clk,
-                .enable         = s5pc100_sclk0_ctrl,
-                .ctrlbit        = (1 << 7),
-        }, {
-                .name           = "spi_48m",
-                .devname        = "s3c64xx-spi.1",
-                .parent         = &clk_mout_48m.clk,
-                .enable         = s5pc100_sclk0_ctrl,
-                .ctrlbit        = (1 << 8),
-        }, {
-                .name           = "spi_48m",
-                .devname        = "s3c64xx-spi.2",
-                .parent         = &clk_mout_48m.clk,
-                .enable         = s5pc100_sclk0_ctrl,
-                .ctrlbit        = (1 << 9),
-        }, {
                 .name           = "mmc_48m",
                 .devname        = "s3c-sdhci.0",
                 .parent         = &clk_mout_48m.clk,
@@ -717,6 +699,30 @@ static struct clk clk_hsmmc0 = {
         .ctrlbit        = (1 << 5),
 };
 
+static struct clk clk_48m_spi0 = {
+        .name           = "spi_48m",
+        .devname        = "s3c64xx-spi.0",
+        .parent         = &clk_mout_48m.clk,
+        .enable         = s5pc100_sclk0_ctrl,
+        .ctrlbit        = (1 << 7),
+};
+
+static struct clk clk_48m_spi1 = {
+        .name           = "spi_48m",
+        .devname        = "s3c64xx-spi.1",
+        .parent         = &clk_mout_48m.clk,
+        .enable         = s5pc100_sclk0_ctrl,
+        .ctrlbit        = (1 << 8),
+};
+
+static struct clk clk_48m_spi2 = {
+        .name           = "spi_48m",
+        .devname        = "s3c64xx-spi.2",
+        .parent         = &clk_mout_48m.clk,
+        .enable         = s5pc100_sclk0_ctrl,
+        .ctrlbit        = (1 << 9),
+};
+
 static struct clk clk_vclk54m = {
         .name           = "vclk_54m",
         .rate           = 54000000,
@@ -935,39 +941,6 @@ static struct clksrc_clk clk_sclk_spdif = {
 static struct clksrc_clk clksrcs[] = {
         {
                 .clk    = {
-                        .name           = "sclk_spi",
-                        .devname        = "s3c64xx-spi.0",
-                        .ctrlbit        = (1 << 4),
-                        .enable         = s5pc100_sclk0_ctrl,
-
-                },
-                .sources = &clk_src_group1,
-                .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 2 },
-                .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
-        }, {
-                .clk    = {
-                        .name           = "sclk_spi",
-                        .devname        = "s3c64xx-spi.1",
-                        .ctrlbit        = (1 << 5),
-                        .enable         = s5pc100_sclk0_ctrl,
-
-                },
-                .sources = &clk_src_group1,
-                .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 2 },
-                .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
-        }, {
-                .clk    = {
-                        .name           = "sclk_spi",
-                        .devname        = "s3c64xx-spi.2",
-                        .ctrlbit        = (1 << 6),
-                        .enable         = s5pc100_sclk0_ctrl,
-
-                },
-                .sources = &clk_src_group1,
-                .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 2 },
-                .reg_div = { .reg = S5P_CLK_DIV2, .shift = 12, .size = 4 },
-        }, {
-                .clk    = {
                         .name           = "sclk_mixer",
                         .ctrlbit        = (1 << 6),
                         .enable         = s5pc100_sclk0_ctrl,
@@ -1108,6 +1081,42 @@ static struct clksrc_clk clk_sclk_mmc2 = {
         .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 },
 };
 
+static struct clksrc_clk clk_sclk_spi0 = {
+        .clk    = {
+                .name           = "sclk_spi",
+                .devname        = "s3c64xx-spi.0",
+                .ctrlbit        = (1 << 4),
+                .enable         = s5pc100_sclk0_ctrl,
+        },
+        .sources = &clk_src_group1,
+        .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 2 },
+        .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
+};
+
+static struct clksrc_clk clk_sclk_spi1 = {
+        .clk    = {
+                .name           = "sclk_spi",
+                .devname        = "s3c64xx-spi.1",
+                .ctrlbit        = (1 << 5),
+                .enable         = s5pc100_sclk0_ctrl,
+        },
+        .sources = &clk_src_group1,
+        .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 2 },
+        .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 },
+};
+
+static struct clksrc_clk clk_sclk_spi2 = {
+        .clk    = {
+                .name           = "sclk_spi",
+                .devname        = "s3c64xx-spi.2",
+                .ctrlbit        = (1 << 6),
+                .enable         = s5pc100_sclk0_ctrl,
+        },
+        .sources = &clk_src_group1,
+        .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 2 },
+        .reg_div = { .reg = S5P_CLK_DIV2, .shift = 12, .size = 4 },
+};
+
 /* Clock initialisation code */
 static struct clksrc_clk *sysclks[] = {
         &clk_mout_apll,
@@ -1141,6 +1150,9 @@ static struct clk *clk_cdev[] = {
         &clk_hsmmc0,
         &clk_hsmmc1,
         &clk_hsmmc2,
+        &clk_48m_spi0,
+        &clk_48m_spi1,
+        &clk_48m_spi2,
 };
 
 static struct clksrc_clk *clksrc_cdev[] = {
@@ -1148,6 +1160,9 @@ static struct clksrc_clk *clksrc_cdev[] = {
         &clk_sclk_mmc0,
         &clk_sclk_mmc1,
         &clk_sclk_mmc2,
+        &clk_sclk_spi0,
+        &clk_sclk_spi1,
+        &clk_sclk_spi2,
 };
 
 void __init_or_cpufreq s5pc100_setup_clocks(void)
@@ -1298,6 +1313,13 @@ static struct clk_lookup s5pc100_clk_lookup[] = {
         CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk),
         CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk),
         CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk),
+        CLKDEV_INIT(NULL, "spi_busclk0", &clk_p),
+        CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", &clk_48m_spi0),
+        CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_sclk_spi0.clk),
+        CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", &clk_48m_spi1),
+        CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk2", &clk_sclk_spi1.clk),
+        CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk1", &clk_48m_spi2),
+        CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk2", &clk_sclk_spi2.clk),
 };
 
 void __init s5pc100_register_clocks(void)