[PATCH 3/4] ARM: S5P64X0: Add SPI clkdev support

[Padmavathi Venna]

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

Signed-off-by: Padmavathi Venna <padma.v at samsung.com>
---
 arch/arm/mach-s5p64x0/clock-s5p6440.c |   57 +++++++++++++++++++++-----------
 arch/arm/mach-s5p64x0/clock-s5p6450.c |   57 +++++++++++++++++++++-----------
 2 files changed, 74 insertions(+), 40 deletions(-)

diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c
index c54c65d..9e4f517 100644
--- a/arch/arm/mach-s5p64x0/clock-s5p6440.c
+++ b/arch/arm/mach-s5p64x0/clock-s5p6440.c
@@ -430,26 +430,6 @@ static struct clksrc_clk clksrcs[] = {
 		.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 16, .size = 4 },
 	}, {
 		.clk	= {
-			.name		= "sclk_spi",
-			.devname	= "s3c64xx-spi.0",
-			.ctrlbit	= (1 << 20),
-			.enable		= s5p64x0_sclk_ctrl,
-		},
-		.sources = &clkset_group1,
-		.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 },
-		.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 },
-	}, {
-		.clk	= {
-			.name		= "sclk_spi",
-			.devname	= "s3c64xx-spi.1",
-			.ctrlbit	= (1 << 21),
-			.enable		= s5p64x0_sclk_ctrl,
-		},
-		.sources = &clkset_group1,
-		.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 },
-		.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 },
-	}, {
-		.clk	= {
 			.name		= "sclk_post",
 			.ctrlbit	= (1 << 10),
 			.enable		= s5p64x0_sclk_ctrl,
@@ -487,6 +467,39 @@ static struct clksrc_clk clksrcs[] = {
 	},
 };
 
+static struct clksrc_clk sclk_spi0 = {
+	.clk	= {
+		.name		= "sclk_spi",
+		.ctrlbit	= (1 << 20),
+		.enable		= s5p64x0_sclk_ctrl,
+		},
+	.sources = &clkset_group1,
+	.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 },
+	.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 },
+};
+
+static struct clksrc_clk sclk_spi1 = {
+	.clk	= {
+		.name		= "sclk_spi",
+		.ctrlbit	= (1 << 21),
+		.enable		= s5p64x0_sclk_ctrl,
+	},
+	.sources = &clkset_group1,
+	.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 },
+	.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 },
+};
+
+static struct clk_lookup clk_lookup_table[] = {
+	CLKDEV_INIT(NULL, "spi_busclk0", clk_p)
+	CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", sclk_spi0.clk)
+	CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", sclk_spi1.clk)
+};
+
+static struct clksrc_clk *clksrc_cdev[] = {
+	&sclk_spi0,
+	&sclk_spi1,
+};
+
 /* Clock initialization code */
 static struct clksrc_clk *sysclks[] = {
 	&clk_mout_apll,
@@ -581,6 +594,9 @@ void __init s5p6440_register_clocks(void)
 	for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
 		s3c_register_clksrc(sysclks[ptr], 1);
 
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++)
+		s3c_register_clksrc(clksrc_cdev[ptr], 1);
+
 	s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
 	s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
 
@@ -590,4 +606,5 @@ void __init s5p6440_register_clocks(void)
 	s3c24xx_register_clock(&dummy_apb_pclk);
 
 	s3c_pwmclk_init();
+	clkdev_add_table(clk_lookup_table, ARRAY_SIZE(clk_lookup_table));
 }
diff --git a/arch/arm/mach-s5p64x0/clock-s5p6450.c b/arch/arm/mach-s5p64x0/clock-s5p6450.c
index 2d04abf..323c30c 100644
--- a/arch/arm/mach-s5p64x0/clock-s5p6450.c
+++ b/arch/arm/mach-s5p64x0/clock-s5p6450.c
@@ -452,26 +452,6 @@ static struct clksrc_clk clksrcs[] = {
 		.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 16, .size = 4 },
 	}, {
 		.clk	= {
-			.name		= "sclk_spi",
-			.devname	= "s3c64xx-spi.0",
-			.ctrlbit	= (1 << 20),
-			.enable		= s5p64x0_sclk_ctrl,
-		},
-		.sources = &clkset_group2,
-		.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 },
-		.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 },
-	}, {
-		.clk	= {
-			.name		= "sclk_spi",
-			.devname	= "s3c64xx-spi.1",
-			.ctrlbit	= (1 << 21),
-			.enable		= s5p64x0_sclk_ctrl,
-		},
-		.sources = &clkset_group2,
-		.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 },
-		.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 },
-	}, {
-		.clk	= {
 			.name		= "sclk_fimc",
 			.ctrlbit	= (1 << 10),
 			.enable		= s5p64x0_sclk_ctrl,
@@ -536,6 +516,39 @@ static struct clksrc_clk clksrcs[] = {
 	},
 };
 
+static struct clksrc_clk sclk_spi0 = {
+	.clk	= {
+		.name		= "sclk_spi",
+		.ctrlbit	= (1 << 20),
+		.enable		= s5p64x0_sclk_ctrl,
+	},
+	.sources = &clkset_group2,
+	.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 14, .size = 2 },
+	.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 0, .size = 4 },
+};
+
+static struct clksrc_clk sclk_spi1 = {
+	.clk	= {
+		.name		= "sclk_spi",
+		.ctrlbit	= (1 << 21),
+		.enable		= s5p64x0_sclk_ctrl,
+	},
+	.sources = &clkset_group2,
+	.reg_src = { .reg = S5P64X0_CLK_SRC0, .shift = 16, .size = 2 },
+	.reg_div = { .reg = S5P64X0_CLK_DIV2, .shift = 4, .size = 4 },
+};
+
+static struct clk_lookup clk_lookup_table[] = {
+	CLKDEV_INIT(NULL, "spi_busclk0", clk_p)
+	CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk1", sclk_spi0.clk)
+	CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk1", sclk_spi1.clk)
+};
+
+static struct clksrc_clk *clksrc_cdev[] = {
+	&sclk_spi0,
+	&sclk_spi1,
+};
+
 /* Clock initialization code */
 static struct clksrc_clk *sysclks[] = {
 	&clk_mout_apll,
@@ -632,6 +645,9 @@ void __init s5p6450_register_clocks(void)
 	for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
 		s3c_register_clksrc(sysclks[ptr], 1);
 
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++)
+		s3c_register_clksrc(clksrc_cdev[ptr], 1);
+
 	s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
 	s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
 
@@ -641,4 +657,5 @@ void __init s5p6450_register_clocks(void)
 	s3c24xx_register_clock(&dummy_apb_pclk);
 
 	s3c_pwmclk_init();
+	clkdev_add_table(clk_lookup_table, ARRAY_SIZE(clk_lookup_table));
 }
-- 
1.7.4.4