linux-kernel - [PATCH v3 3/8] clk: samsung: add BPLL rate table for Exynos 5422 SoC

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Message-Id: <1548924594-19084-4-git-send-email-l.luba@partner.samsung.com>
Date:   Thu, 31 Jan 2019 09:49:49 +0100
From:   Lukasz Luba <l.luba@...tner.samsung.com>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Cc:     b.zolnierkie@...sung.com, krzk@...nel.org, kgene@...nel.org,
        cw00.choi@...sung.com, kyungmin.park@...sung.com,
        m.szyprowski@...sung.com, s.nawrocki@...sung.com,
        myungjoo.ham@...sung.com, Lukasz Luba <l.luba@...tner.samsung.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 3/8] clk: samsung: add BPLL rate table for Exynos 5422
 SoC

Add new table rate for BPLL for Exynos5422 SoC supporting Dynamic Memory
Controller frequencies for driver's DRAM timings.

CC: Sylwester Nawrocki <s.nawrocki@...sung.com>
CC: Chanwoo Choi <cw00.choi@...sung.com>
CC: Michael Turquette <mturquette@...libre.com>
CC: Stephen Boyd <sboyd@...nel.org>
CC: Kukjin Kim <kgene@...nel.org>
CC: Krzysztof Kozlowski <krzk@...nel.org>
CC: linux-samsung-soc@...r.kernel.org
CC: linux-clk@...r.kernel.org
CC: linux-arm-kernel@...ts.infradead.org
CC: linux-kernel@...r.kernel.org
Signed-off-by: Lukasz Luba <l.luba@...tner.samsung.com>
---
 drivers/clk/samsung/clk-exynos5420.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index 3e87421..8bf9579 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -1325,6 +1325,19 @@ static const struct samsung_pll_rate_table exynos5420_pll2550x_24mhz_tbl[] __ini
 	PLL_35XX_RATE(24 * MHZ, 200000000,  200, 3, 3),
 };
 
+static const struct samsung_pll_rate_table exynos5422_bpll_rate_table[] = {
+	PLL_35XX_RATE(24 * MHZ, 933000000, 311, 4, 1),
+	PLL_35XX_RATE(24 * MHZ, 825000000, 275, 4, 1),
+	PLL_35XX_RATE(24 * MHZ, 728000000, 182, 3, 1),
+	PLL_35XX_RATE(24 * MHZ, 633000000, 211, 4, 1),
+	PLL_35XX_RATE(24 * MHZ, 543000000, 181, 2, 2),
+	PLL_35XX_RATE(24 * MHZ, 413000000, 413, 6, 2),
+	PLL_35XX_RATE(24 * MHZ, 275000000, 275, 3, 3),
+	PLL_35XX_RATE(24 * MHZ, 206000000, 206, 3, 3),
+	PLL_35XX_RATE(24 * MHZ, 165000000, 110, 2, 3),
+	PLL_35XX_RATE(24 * MHZ, 138000000, 184, 2, 4),
+};
+
 static const struct samsung_pll_rate_table exynos5420_epll_24mhz_tbl[] = {
 	PLL_36XX_RATE(24 * MHZ, 600000000U, 100, 2, 1, 0),
 	PLL_36XX_RATE(24 * MHZ, 400000000U, 200, 3, 2, 0),
@@ -1467,7 +1480,7 @@ static void __init exynos5x_clk_init(struct device_node *np,
 		exynos5x_plls[apll].rate_table = exynos5420_pll2550x_24mhz_tbl;
 		exynos5x_plls[epll].rate_table = exynos5420_epll_24mhz_tbl;
 		exynos5x_plls[kpll].rate_table = exynos5420_pll2550x_24mhz_tbl;
-		exynos5x_plls[bpll].rate_table = exynos5420_pll2550x_24mhz_tbl;
+		exynos5x_plls[bpll].rate_table = exynos5422_bpll_rate_table;
 	}
 
 	samsung_clk_register_pll(ctx, exynos5x_plls, ARRAY_SIZE(exynos5x_plls),
-- 
2.7.4