clk: samsung: exynos5800: fix cpu clock configuration data

Fix cpu clock configuration data for Exynos5800 (it uses
higher PCLK_DBG divider values than Exynos5420 and supports
additional frequencies).

Based on Hardkernel's kernel for ODROID-XU3 board.

Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Mike Turquette <mturquette@linaro.org>
Cc: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index ed25045..5e70e4d 100644 (file)
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -1275,10 +1275,34 @@ static const struct exynos_cpuclk_cfg_data exynos5420_eglclk_d[] __initconst = {
        {  0 },
 };
 
+static const struct exynos_cpuclk_cfg_data exynos5800_eglclk_d[] __initconst = {
+       { 2000000, E5420_EGL_DIV0(3, 7, 7, 4), },
+       { 1900000, E5420_EGL_DIV0(3, 7, 7, 4), },
+       { 1800000, E5420_EGL_DIV0(3, 7, 7, 4), },
+       { 1700000, E5420_EGL_DIV0(3, 7, 7, 3), },
+       { 1600000, E5420_EGL_DIV0(3, 7, 7, 3), },
+       { 1500000, E5420_EGL_DIV0(3, 7, 7, 3), },
+       { 1400000, E5420_EGL_DIV0(3, 7, 7, 3), },
+       { 1300000, E5420_EGL_DIV0(3, 7, 7, 2), },
+       { 1200000, E5420_EGL_DIV0(3, 7, 7, 2), },
+       { 1100000, E5420_EGL_DIV0(3, 7, 7, 2), },
+       { 1000000, E5420_EGL_DIV0(3, 7, 6, 2), },
+       {  900000, E5420_EGL_DIV0(3, 7, 6, 2), },
+       {  800000, E5420_EGL_DIV0(3, 7, 5, 2), },
+       {  700000, E5420_EGL_DIV0(3, 7, 5, 2), },
+       {  600000, E5420_EGL_DIV0(3, 7, 4, 2), },
+       {  500000, E5420_EGL_DIV0(3, 7, 3, 2), },
+       {  400000, E5420_EGL_DIV0(3, 7, 3, 2), },
+       {  300000, E5420_EGL_DIV0(3, 7, 3, 2), },
+       {  200000, E5420_EGL_DIV0(3, 7, 3, 2), },
+       {  0 },
+};
+
 #define E5420_KFC_DIV(kpll, pclk, aclk)                                        \
                ((((kpll) << 24) | ((pclk) << 20) | ((aclk) << 4)))
 
 static const struct exynos_cpuclk_cfg_data exynos5420_kfcclk_d[] __initconst = {
+       { 1400000, E5420_KFC_DIV(3, 5, 3), }, /* for Exynos5800 */
        { 1300000, E5420_KFC_DIV(3, 5, 2), },
        { 1200000, E5420_KFC_DIV(3, 5, 2), },
        { 1100000, E5420_KFC_DIV(3, 5, 2), },
@@ -1358,9 +1382,15 @@ static void __init exynos5x_clk_init(struct device_node *np,
                                ARRAY_SIZE(exynos5800_gate_clks));
        }
 
-       exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk",
-               mout_cpu_p[0], mout_cpu_p[1], 0x200,
-               exynos5420_eglclk_d, ARRAY_SIZE(exynos5420_eglclk_d), 0);
+       if (soc == EXYNOS5420) {
+               exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk",
+                       mout_cpu_p[0], mout_cpu_p[1], 0x200,
+                       exynos5420_eglclk_d, ARRAY_SIZE(exynos5420_eglclk_d), 0);
+       } else {
+               exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk",
+                       mout_cpu_p[0], mout_cpu_p[1], 0x200,
+                       exynos5800_eglclk_d, ARRAY_SIZE(exynos5800_eglclk_d), 0);
+       }
        exynos_register_cpu_clock(ctx, CLK_KFC_CLK, "kfcclk",
                mout_kfc_p[0], mout_kfc_p[1], 0x28200,
                exynos5420_kfcclk_d, ARRAY_SIZE(exynos5420_kfcclk_d), 0);