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ARM: davinci: da850: add dsp clock definition 

Added dsp clock definition, keyed to "davinci-rproc.0".
DSP clocks is derived from pll0 sysclk1. Add a clock tree
node for that too.

Signed-off-by: Robert Tivy <rtivy@ti.com>
[nsekhar@ti.com: merge addition of pll0 sysclk1 and dsp clock
into one commit. Add PSC_FORCE to dsp clock node to handle the
case where DSP does not go into IDLE and its clock needs to
be disabled.]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Robert Tivy 2013-01-10 16:23:22 -08:00 committed by Sekhar Nori
parent af47e6bb88
commit 09810a853b
1 changed files with 17 additions and 0 deletions
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17
arch/arm/mach-davinci/da850.c
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@ -76,6 +76,13 @@ static struct clk pll0_aux_clk = {
.flags = CLK_PLL | PRE_PLL,
};
static struct clk pll0_sysclk1 = {
.name = "pll0_sysclk1",
.parent = &pll0_clk,
.flags = CLK_PLL,
.div_reg = PLLDIV1,
};
static struct clk pll0_sysclk2 = {
.name = "pll0_sysclk2",
.parent = &pll0_clk,
@ -368,10 +375,19 @@ static struct clk sata_clk = {
.flags = PSC_FORCE,
};
static struct clk dsp_clk = {
.name = "dsp",
.parent = &pll0_sysclk1,
.domain = DAVINCI_GPSC_DSPDOMAIN,
.lpsc = DA8XX_LPSC0_GEM,
.flags = PSC_LRST | PSC_FORCE,
};
static struct clk_lookup da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
CLK(NULL, "pll0_aux", &pll0_aux_clk),
CLK(NULL, "pll0_sysclk1", &pll0_sysclk1),
CLK(NULL, "pll0_sysclk2", &pll0_sysclk2),
CLK(NULL, "pll0_sysclk3", &pll0_sysclk3),
CLK(NULL, "pll0_sysclk4", &pll0_sysclk4),
@ -413,6 +429,7 @@ static struct clk_lookup da850_clks[] = {
CLK("spi_davinci.1", NULL, &spi1_clk),
CLK("vpif", NULL, &vpif_clk),
CLK("ahci", NULL, &sata_clk),
CLK("davinci-rproc.0", NULL, &dsp_clk),
CLK(NULL, NULL, NULL),
};