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| author |   Thomas Abraham <thomas.ab@samsung.com> | 2014-07-14 19:08:34 +0530 |
|---|---|---|
| committer |   Tomasz Figa <t.figa@samsung.com> | 2014-07-26 02:50:15 +0200 |
| commit | ca5b4029382245397dd6829c6321121cab1a1471 (patch) | |
| tree | 50b327d18f7d33b64b277a8dd009c14f932b043c /drivers/clk | |
| parent | clk: samsung: exynos5420: Setup clocks before system suspend (diff) | |
| download | linux-dev-ca5b4029382245397dd6829c6321121cab1a1471.tar.xz linux-dev-ca5b4029382245397dd6829c6321121cab1a1471.zip | |
clk: samsung: register exynos5420 apll/kpll configuration data
Register the PLL configuration data for APLL and KPLL on Exynos5420. This
configuration data table specifies PLL coefficients for supported PLL
clock speeds when a 24MHz clock is supplied as the input clock source
for these PLLs.
Cc: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Reviewed-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
Tested-by: Arjun K.V <arjun.kv@samsung.com>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos5420.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index c5eb021a5576..bc772f8585d6 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -1196,6 +1196,28 @@ static struct samsung_gate_clock exynos5x_gate_clks[] __initdata = { GATE(CLK_G3D, "g3d", "mout_user_aclk_g3d", GATE_IP_G3D, 9, 0, 0), }; +static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] = { + PLL_35XX_RATE(2000000000, 250, 3, 0), + PLL_35XX_RATE(1900000000, 475, 6, 0), + PLL_35XX_RATE(1800000000, 225, 3, 0), + PLL_35XX_RATE(1700000000, 425, 6, 0), + PLL_35XX_RATE(1600000000, 200, 3, 0), + PLL_35XX_RATE(1500000000, 250, 4, 0), + PLL_35XX_RATE(1400000000, 175, 3, 0), + PLL_35XX_RATE(1300000000, 325, 6, 0), + PLL_35XX_RATE(1200000000, 200, 2, 1), + PLL_35XX_RATE(1100000000, 275, 3, 1), + PLL_35XX_RATE(1000000000, 250, 3, 1), + PLL_35XX_RATE(900000000, 150, 2, 1), + PLL_35XX_RATE(800000000, 200, 3, 1), + PLL_35XX_RATE(700000000, 175, 3, 1), + PLL_35XX_RATE(600000000, 200, 2, 2), + PLL_35XX_RATE(500000000, 250, 3, 2), + PLL_35XX_RATE(400000000, 200, 3, 2), + PLL_35XX_RATE(300000000, 200, 2, 3), + PLL_35XX_RATE(200000000, 200, 3, 3), +}; + static struct samsung_pll_clock exynos5x_plls[nr_plls] __initdata = { [apll] = PLL(pll_2550, CLK_FOUT_APLL, "fout_apll", "fin_pll", APLL_LOCK, APLL_CON0, NULL), @@ -1249,6 +1271,12 @@ static void __init exynos5x_clk_init(struct device_node *np, samsung_clk_of_register_fixed_ext(ctx, exynos5x_fixed_rate_ext_clks, ARRAY_SIZE(exynos5x_fixed_rate_ext_clks), ext_clk_match); + + if (_get_rate("fin_pll") == 24 * MHZ) { + exynos5x_plls[apll].rate_table = exynos5420_pll2550x_24mhz_tbl; + exynos5x_plls[kpll].rate_table = exynos5420_pll2550x_24mhz_tbl; + } + samsung_clk_register_pll(ctx, exynos5x_plls, ARRAY_SIZE(exynos5x_plls), reg_base); samsung_clk_register_fixed_rate(ctx, exynos5x_fixed_rate_clks, |