ARM: SAMSUNG: register uart clocks to clock lookup list
Samsung uart driver lookups the clock using the connection id 'clk_uart_baud'.
The uart clocks for all Samsung platforms are reorganized to register them
with the lookup name as required by the uart driver.
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c
index 39c238d..2addd98 100644
--- a/arch/arm/mach-s3c64xx/clock.c
+++ b/arch/arm/mach-s3c64xx/clock.c
@@ -617,16 +617,6 @@
.sources = &clkset_uhost,
}, {
.clk = {
- .name = "uclk1",
- .ctrlbit = S3C_CLKCON_SCLK_UART,
- .enable = s3c64xx_sclk_ctrl,
- },
- .reg_src = { .reg = S3C_CLK_SRC, .shift = 13, .size = 1 },
- .reg_div = { .reg = S3C_CLK_DIV2, .shift = 16, .size = 4 },
- .sources = &clkset_uart,
- }, {
-/* Where does UCLK0 come from? */
- .clk = {
.name = "spi-bus",
.devname = "s3c64xx-spi.0",
.ctrlbit = S3C_CLKCON_SCLK_SPI0,
@@ -695,6 +685,18 @@
},
};
+/* Where does UCLK0 come from? */
+static struct clksrc_clk clk_sclk_uclk = {
+ .clk = {
+ .name = "uclk1",
+ .ctrlbit = S3C_CLKCON_SCLK_UART,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 13, .size = 1 },
+ .reg_div = { .reg = S3C_CLK_DIV2, .shift = 16, .size = 4 },
+ .sources = &clkset_uart,
+};
+
/* Clock initialisation code */
static struct clksrc_clk *init_parents[] = {
@@ -703,6 +705,15 @@
&clk_mout_mpll,
};
+static struct clksrc_clk *clksrc_cdev[] = {
+ &clk_sclk_uclk,
+};
+
+static struct clk_lookup s3c64xx_clk_lookup[] = {
+ CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p),
+ CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk),
+};
+
#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
void __init_or_cpufreq s3c6400_setup_clocks(void)
@@ -811,6 +822,8 @@
void __init s3c64xx_register_clocks(unsigned long xtal,
unsigned armclk_divlimit)
{
+ unsigned int cnt;
+
armclk_mask = armclk_divlimit;
s3c24xx_register_baseclocks(xtal);
@@ -823,5 +836,9 @@
s3c24xx_register_clocks(clks1, ARRAY_SIZE(clks1));
s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+ for (cnt = 0; cnt < ARRAY_SIZE(clksrc_cdev); cnt++)
+ s3c_register_clksrc(clksrc_cdev[cnt], 1);
+ clkdev_add_table(s3c64xx_clk_lookup, ARRAY_SIZE(s3c64xx_clk_lookup));
+
s3c_pwmclk_init();
}