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Diffstat (limited to 'arch/arm/mach-davinci/da850.c')
-rw-r--r--arch/arm/mach-davinci/da850.c48
1 files changed, 41 insertions, 7 deletions
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index e770c97ea45c..ccad2f99dfc9 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -319,6 +319,16 @@ static struct clk emac_clk = {
.gpsc = 1,
};
+/*
+ * In order to avoid adding the emac_clk to the clock lookup table twice (and
+ * screwing up the linked list in the process) create a separate clock for
+ * mdio inheriting the rate from emac_clk.
+ */
+static struct clk mdio_clk = {
+ .name = "mdio",
+ .parent = &emac_clk,
+};
+
static struct clk mcasp_clk = {
.name = "mcasp",
.parent = &async3_clk,
@@ -367,6 +377,16 @@ static struct clk aemif_clk = {
.flags = ALWAYS_ENABLED,
};
+/*
+ * In order to avoid adding the aemif_clk to the clock lookup table twice (and
+ * screwing up the linked list in the process) create a separate clock for
+ * nand inheriting the rate from aemif_clk.
+ */
+static struct clk aemif_nand_clk = {
+ .name = "nand",
+ .parent = &aemif_clk,
+};
+
static struct clk usb11_clk = {
.name = "usb11",
.parent = &pll0_sysclk4,
@@ -529,7 +549,7 @@ static struct clk_lookup da850_clks[] = {
CLK(NULL, "arm", &arm_clk),
CLK(NULL, "rmii", &rmii_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
- CLK("davinci_mdio.0", "fck", &emac_clk),
+ CLK("davinci_mdio.0", "fck", &mdio_clk),
CLK("davinci-mcasp.0", NULL, &mcasp_clk),
CLK("davinci-mcbsp.0", NULL, &mcbsp0_clk),
CLK("davinci-mcbsp.1", NULL, &mcbsp1_clk),
@@ -537,13 +557,13 @@ static struct clk_lookup da850_clks[] = {
CLK("da830-mmc.0", NULL, &mmcsd0_clk),
CLK("da830-mmc.1", NULL, &mmcsd1_clk),
CLK("ti-aemif", NULL, &aemif_clk),
- CLK(NULL, "aemif", &aemif_clk),
+ CLK("davinci-nand.0", "aemif", &aemif_nand_clk),
CLK("ohci-da8xx", "usb11", &usb11_clk),
CLK("musb-da8xx", "usb20", &usb20_clk),
CLK("spi_davinci.0", NULL, &spi0_clk),
CLK("spi_davinci.1", NULL, &spi1_clk),
CLK("vpif", NULL, &vpif_clk),
- CLK("ahci_da850", NULL, &sata_clk),
+ CLK("ahci_da850", "fck", &sata_clk),
CLK("davinci-rproc.0", NULL, &dsp_clk),
CLK(NULL, NULL, &ehrpwm_clk),
CLK("ehrpwm.0", "fck", &ehrpwm0_clk),
@@ -1174,14 +1194,28 @@ static int da850_set_armrate(struct clk *clk, unsigned long index)
return clk_set_rate(pllclk, index);
}
-static int da850_set_pll0rate(struct clk *clk, unsigned long index)
+static int da850_set_pll0rate(struct clk *clk, unsigned long rate)
{
- unsigned int prediv, mult, postdiv;
- struct da850_opp *opp;
struct pll_data *pll = clk->pll_data;
+ struct cpufreq_frequency_table *freq;
+ unsigned int prediv, mult, postdiv;
+ struct da850_opp *opp = NULL;
int ret;
- opp = (struct da850_opp *) cpufreq_info.freq_table[index].driver_data;
+ rate /= 1000;
+
+ for (freq = da850_freq_table;
+ freq->frequency != CPUFREQ_TABLE_END; freq++) {
+ /* rate is in Hz, freq->frequency is in KHz */
+ if (freq->frequency == rate) {
+ opp = (struct da850_opp *)freq->driver_data;
+ break;
+ }
+ }
+
+ if (!opp)
+ return -EINVAL;
+
prediv = opp->prediv;
mult = opp->mult;
postdiv = opp->postdiv;