[PATCH v7 2/6] clk: samsung: register exynos5420 apll/kpll configuration data
From: Thomas Abraham <hidden>
Date: 2014-07-14 13:38:34
Also in:
linux-arm-kernel, linux-samsung-soc
Subsystem:
common clk framework, samsung soc clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Krzysztof Kozlowski, Sylwester Nawrocki, Chanwoo Choi, Peter Griffin, Linus Torvalds
From: Thomas Abraham <redacted> 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 <redacted> Signed-off-by: Thomas Abraham <redacted> Reviewed-by: Amit Daniel Kachhap <redacted> Tested-by: Arjun K.V <redacted> --- drivers/clk/samsung/clk-exynos5420.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index cc14ac8..95f83be 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c@@ -1169,6 +1169,28 @@ 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),
@@ -1222,6 +1244,12 @@ 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,
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1.7.9.5