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Diffstat (limited to 'arch/arm/mach-mx5/clock-mx51-mx53.c')
-rw-r--r--arch/arm/mach-mx5/clock-mx51-mx53.c72
1 files changed, 67 insertions, 5 deletions
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index f7bf996f463..2aacf41c48e 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -15,6 +15,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/clkdev.h>
+#include <linux/of.h>
#include <asm/div64.h>
@@ -1401,6 +1402,22 @@ static struct clk esdhc4_mx53_clk = {
.secondary = &esdhc4_ipg_clk,
};
+static struct clk sata_clk = {
+ .parent = &ipg_clk,
+ .enable = _clk_max_enable,
+ .enable_reg = MXC_CCM_CCGR4,
+ .enable_shift = MXC_CCM_CCGRx_CG1_OFFSET,
+ .disable = _clk_max_disable,
+};
+
+static struct clk ahci_phy_clk = {
+ .parent = &usb_phy1_clk,
+};
+
+static struct clk ahci_dma_clk = {
+ .parent = &ahb_clk,
+};
+
DEFINE_CLOCK(mipi_esc_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG5_OFFSET, NULL, NULL, NULL, &pll2_sw_clk);
DEFINE_CLOCK(mipi_hsc2_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG4_OFFSET, NULL, NULL, &mipi_esc_clk, &pll2_sw_clk);
DEFINE_CLOCK(mipi_hsc1_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG3_OFFSET, NULL, NULL, &mipi_hsc2_clk, &pll2_sw_clk);
@@ -1418,6 +1435,10 @@ DEFINE_CLOCK(ipu_di0_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG5_OFFSET,
DEFINE_CLOCK(ipu_di1_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG6_OFFSET,
NULL, NULL, &pll3_sw_clk, NULL);
+/* PATA */
+DEFINE_CLOCK(pata_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG0_OFFSET,
+ NULL, NULL, &ipg_clk, &spba_clk);
+
#define _REGISTER_CLOCK(d, n, c) \
{ \
.dev_id = d, \
@@ -1474,6 +1495,7 @@ static struct clk_lookup mx51_lookups[] = {
_REGISTER_CLOCK("imx-ipuv3", "di0", ipu_di0_clk)
_REGISTER_CLOCK("imx-ipuv3", "di1", ipu_di1_clk)
_REGISTER_CLOCK(NULL, "gpc_dvfs", gpc_dvfs_clk)
+ _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
};
static struct clk_lookup mx53_lookups[] = {
@@ -1507,6 +1529,10 @@ static struct clk_lookup mx53_lookups[] = {
_REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
_REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk)
_REGISTER_CLOCK("imx-keypad", NULL, dummy_clk)
+ _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
+ _REGISTER_CLOCK("imx53-ahci.0", "ahci", sata_clk)
+ _REGISTER_CLOCK("imx53-ahci.0", "ahci_phy", ahci_phy_clk)
+ _REGISTER_CLOCK("imx53-ahci.0", "ahci_dma", ahci_dma_clk)
};
static void clk_tree_init(void)
@@ -1548,9 +1574,8 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
clk_enable(&main_bus_clk);
clk_enable(&iim_clk);
- mx51_revision();
+ imx_print_silicon_rev("i.MX51", mx51_revision());
clk_disable(&iim_clk);
- mx51_display_revision();
/* move usb_phy_clk to 24MHz */
clk_set_parent(&usb_phy1_clk, &osc_clk);
@@ -1568,7 +1593,7 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
/* System timer */
mxc_timer_init(&gpt_clk, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR),
- MX51_MXC_INT_GPT);
+ MX51_INT_GPT);
return 0;
}
@@ -1592,9 +1617,8 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc,
clk_enable(&main_bus_clk);
clk_enable(&iim_clk);
- mx53_revision();
+ imx_print_silicon_rev("i.MX53", mx53_revision());
clk_disable(&iim_clk);
- mx53_display_revision();
/* Set SDHC parents to be PLL2 */
clk_set_parent(&esdhc1_clk, &pll2_sw_clk);
@@ -1609,3 +1633,41 @@ int __init mx53_clocks_init(unsigned long ckil, unsigned long osc,
MX53_INT_GPT);
return 0;
}
+
+static void __init clk_get_freq_dt(unsigned long *ckil, unsigned long *osc,
+ unsigned long *ckih1, unsigned long *ckih2)
+{
+ struct device_node *np;
+
+ /* retrieve the freqency of fixed clocks from device tree */
+ for_each_compatible_node(np, NULL, "fixed-clock") {
+ u32 rate;
+ if (of_property_read_u32(np, "clock-frequency", &rate))
+ continue;
+
+ if (of_device_is_compatible(np, "fsl,imx-ckil"))
+ *ckil = rate;
+ else if (of_device_is_compatible(np, "fsl,imx-osc"))
+ *osc = rate;
+ else if (of_device_is_compatible(np, "fsl,imx-ckih1"))
+ *ckih1 = rate;
+ else if (of_device_is_compatible(np, "fsl,imx-ckih2"))
+ *ckih2 = rate;
+ }
+}
+
+int __init mx51_clocks_init_dt(void)
+{
+ unsigned long ckil, osc, ckih1, ckih2;
+
+ clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
+ return mx51_clocks_init(ckil, osc, ckih1, ckih2);
+}
+
+int __init mx53_clocks_init_dt(void)
+{
+ unsigned long ckil, osc, ckih1, ckih2;
+
+ clk_get_freq_dt(&ckil, &osc, &ckih1, &ckih2);
+ return mx53_clocks_init(ckil, osc, ckih1, ckih2);
+}