clk: rockchip: switch to using the new cpuclk type for armclk
authorHeiko Stuebner <heiko@sntech.de>
Fri, 5 Sep 2014 09:25:03 +0000 (11:25 +0200)
committerHeiko Stuebner <heiko@sntech.de>
Sat, 27 Sep 2014 15:57:46 +0000 (17:57 +0200)
This adds the necessary soc-specific divider values and switches the armclk
to use the newly introduced cpuclk type.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Doug Anderson <dianders@chromium.org>
Tested-by: Doug Anderson <dianders@chromium.org>
drivers/clk/rockchip/clk-rk3188.c
drivers/clk/rockchip/clk-rk3288.c

index adfbfef..ceabce5 100644 (file)
@@ -101,6 +101,98 @@ struct rockchip_pll_rate_table rk3188_pll_rates[] = {
        { /* sentinel */ },
 };
 
+#define RK3066_DIV_CORE_PERIPH_MASK    0x3
+#define RK3066_DIV_CORE_PERIPH_SHIFT   6
+#define RK3066_DIV_ACLK_CORE_MASK      0x7
+#define RK3066_DIV_ACLK_CORE_SHIFT     0
+#define RK3066_DIV_ACLK_HCLK_MASK      0x3
+#define RK3066_DIV_ACLK_HCLK_SHIFT     8
+#define RK3066_DIV_ACLK_PCLK_MASK      0x3
+#define RK3066_DIV_ACLK_PCLK_SHIFT     12
+#define RK3066_DIV_AHB2APB_MASK                0x3
+#define RK3066_DIV_AHB2APB_SHIFT       14
+
+#define RK3066_CLKSEL0(_core_peri)                                     \
+       {                                                               \
+               .reg = RK2928_CLKSEL_CON(0),                            \
+               .val = HIWORD_UPDATE(_core_peri, RK3066_DIV_CORE_PERIPH_MASK, \
+                               RK3066_DIV_CORE_PERIPH_SHIFT)           \
+       }
+#define RK3066_CLKSEL1(_aclk_core, _aclk_hclk, _aclk_pclk, _ahb2apb)   \
+       {                                                               \
+               .reg = RK2928_CLKSEL_CON(1),                            \
+               .val = HIWORD_UPDATE(_aclk_core, RK3066_DIV_ACLK_CORE_MASK, \
+                               RK3066_DIV_ACLK_CORE_SHIFT) |           \
+                      HIWORD_UPDATE(_aclk_hclk, RK3066_DIV_ACLK_HCLK_MASK, \
+                               RK3066_DIV_ACLK_HCLK_SHIFT) |           \
+                      HIWORD_UPDATE(_aclk_pclk, RK3066_DIV_ACLK_PCLK_MASK, \
+                               RK3066_DIV_ACLK_PCLK_SHIFT) |           \
+                      HIWORD_UPDATE(_ahb2apb, RK3066_DIV_AHB2APB_MASK, \
+                               RK3066_DIV_AHB2APB_SHIFT),              \
+       }
+
+#define RK3066_CPUCLK_RATE(_prate, _core_peri, _acore, _ahclk, _apclk, _h2p) \
+       {                                                               \
+               .prate = _prate,                                        \
+               .divs = {                                               \
+                       RK3066_CLKSEL0(_core_peri),                     \
+                       RK3066_CLKSEL1(_acore, _ahclk, _apclk, _h2p),   \
+               },                                                      \
+       }
+
+static struct rockchip_cpuclk_rate_table rk3066_cpuclk_rates[] __initdata = {
+       RK3066_CPUCLK_RATE(1416000000, 2, 3, 1, 2, 1),
+       RK3066_CPUCLK_RATE(1200000000, 2, 3, 1, 2, 1),
+       RK3066_CPUCLK_RATE(1008000000, 2, 2, 1, 2, 1),
+       RK3066_CPUCLK_RATE( 816000000, 2, 2, 1, 2, 1),
+       RK3066_CPUCLK_RATE( 600000000, 1, 2, 1, 2, 1),
+       RK3066_CPUCLK_RATE( 504000000, 1, 1, 1, 2, 1),
+       RK3066_CPUCLK_RATE( 312000000, 0, 1, 1, 1, 0),
+};
+
+static const struct rockchip_cpuclk_reg_data rk3066_cpuclk_data = {
+       .core_reg = RK2928_CLKSEL_CON(0),
+       .div_core_shift = 0,
+       .div_core_mask = 0x1f,
+       .mux_core_shift = 8,
+};
+
+#define RK3188_DIV_ACLK_CORE_MASK      0x7
+#define RK3188_DIV_ACLK_CORE_SHIFT     3
+
+#define RK3188_CLKSEL1(_aclk_core)             \
+       {                                       \
+               .reg = RK2928_CLKSEL_CON(1),    \
+               .val = HIWORD_UPDATE(_aclk_core, RK3188_DIV_ACLK_CORE_MASK,\
+                                RK3188_DIV_ACLK_CORE_SHIFT) \
+       }
+#define RK3188_CPUCLK_RATE(_prate, _core_peri, _aclk_core)     \
+       {                                                       \
+               .prate = _prate,                                \
+               .divs = {                                       \
+                       RK3066_CLKSEL0(_core_peri),             \
+                       RK3188_CLKSEL1(_aclk_core),             \
+               },                                              \
+       }
+
+static struct rockchip_cpuclk_rate_table rk3188_cpuclk_rates[] __initdata = {
+       RK3188_CPUCLK_RATE(1608000000, 2, 3),
+       RK3188_CPUCLK_RATE(1416000000, 2, 3),
+       RK3188_CPUCLK_RATE(1200000000, 2, 3),
+       RK3188_CPUCLK_RATE(1008000000, 2, 3),
+       RK3188_CPUCLK_RATE( 816000000, 2, 3),
+       RK3188_CPUCLK_RATE( 600000000, 1, 3),
+       RK3188_CPUCLK_RATE( 504000000, 1, 3),
+       RK3188_CPUCLK_RATE( 312000000, 0, 1),
+};
+
+static const struct rockchip_cpuclk_reg_data rk3188_cpuclk_data = {
+       .core_reg = RK2928_CLKSEL_CON(0),
+       .div_core_shift = 9,
+       .div_core_mask = 0x1f,
+       .mux_core_shift = 8,
+};
+
 PNAME(mux_pll_p)               = { "xin24m", "xin32k" };
 PNAME(mux_armclk_p)            = { "apll", "gpll_armclk" };
 PNAME(mux_ddrphy_p)            = { "dpll", "gpll_ddr" };
@@ -406,8 +498,6 @@ static struct clk_div_table div_aclk_cpu_t[] = {
 };
 
 static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
-       COMPOSITE_NOGATE(0, "armclk", mux_armclk_p, 0,
-                       RK2928_CLKSEL_CON(0), 8, 1, MFLAGS, 0, 5, DFLAGS),
        DIVTBL(0, "aclk_cpu_pre", "armclk", 0,
                        RK2928_CLKSEL_CON(1), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, div_aclk_cpu_t),
        DIV(0, "pclk_cpu_pre", "aclk_cpu_pre", 0,
@@ -528,8 +618,6 @@ PNAME(mux_hsicphy_p)                = { "sclk_otgphy0", "sclk_otgphy1",
                                    "gpll", "cpll" };
 
 static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
-       COMPOSITE_NOGATE(0, "armclk", mux_armclk_p, 0,
-                       RK2928_CLKSEL_CON(0), 8, 1, MFLAGS, 9, 5, DFLAGS),
        COMPOSITE_NOMUX_DIVTBL(0, "aclk_core", "armclk", 0,
                        RK2928_CLKSEL_CON(1), 3, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
                        div_rk3188_aclk_core_t, RK2928_CLKGATE_CON(0), 7, GFLAGS),
@@ -657,6 +745,10 @@ static void __init rk3066a_clk_init(struct device_node *np)
                                   RK3066_GRF_SOC_STATUS);
        rockchip_clk_register_branches(rk3066a_clk_branches,
                                  ARRAY_SIZE(rk3066a_clk_branches));
+       rockchip_clk_register_armclk(ARMCLK, "armclk",
+                       mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
+                       &rk3066_cpuclk_data, rk3066_cpuclk_rates,
+                       ARRAY_SIZE(rk3066_cpuclk_rates));
 }
 CLK_OF_DECLARE(rk3066a_cru, "rockchip,rk3066a-cru", rk3066a_clk_init);
 
@@ -672,6 +764,10 @@ static void __init rk3188a_clk_init(struct device_node *np)
                                   RK3188_GRF_SOC_STATUS);
        rockchip_clk_register_branches(rk3188_clk_branches,
                                  ARRAY_SIZE(rk3188_clk_branches));
+       rockchip_clk_register_armclk(ARMCLK, "armclk",
+                                 mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
+                                 &rk3188_cpuclk_data, rk3188_cpuclk_rates,
+                                 ARRAY_SIZE(rk3188_cpuclk_rates));
 
        /* reparent aclk_cpu_pre from apll */
        clk1 = __clk_lookup("aclk_cpu_pre");
index f6f278b..d053529 100644 (file)
@@ -101,6 +101,70 @@ struct rockchip_pll_rate_table rk3288_pll_rates[] = {
        { /* sentinel */ },
 };
 
+#define RK3288_DIV_ACLK_CORE_M0_MASK   0xf
+#define RK3288_DIV_ACLK_CORE_M0_SHIFT  0
+#define RK3288_DIV_ACLK_CORE_MP_MASK   0xf
+#define RK3288_DIV_ACLK_CORE_MP_SHIFT  4
+#define RK3288_DIV_L2RAM_MASK          0x7
+#define RK3288_DIV_L2RAM_SHIFT         0
+#define RK3288_DIV_ATCLK_MASK          0x1f
+#define RK3288_DIV_ATCLK_SHIFT         4
+#define RK3288_DIV_PCLK_DBGPRE_MASK    0x1f
+#define RK3288_DIV_PCLK_DBGPRE_SHIFT   9
+
+#define RK3288_CLKSEL0(_core_m0, _core_mp)                             \
+       {                                                               \
+               .reg = RK3288_CLKSEL_CON(0),                            \
+               .val = HIWORD_UPDATE(_core_m0, RK3288_DIV_ACLK_CORE_M0_MASK, \
+                               RK3288_DIV_ACLK_CORE_M0_SHIFT) |        \
+                      HIWORD_UPDATE(_core_mp, RK3288_DIV_ACLK_CORE_MP_MASK, \
+                               RK3288_DIV_ACLK_CORE_MP_SHIFT),         \
+       }
+#define RK3288_CLKSEL37(_l2ram, _atclk, _pclk_dbg_pre)                 \
+       {                                                               \
+               .reg = RK3288_CLKSEL_CON(37),                           \
+               .val = HIWORD_UPDATE(_l2ram, RK3288_DIV_L2RAM_MASK,     \
+                               RK3288_DIV_L2RAM_SHIFT) |               \
+                      HIWORD_UPDATE(_atclk, RK3288_DIV_ATCLK_MASK,     \
+                               RK3288_DIV_ATCLK_SHIFT) |               \
+                      HIWORD_UPDATE(_pclk_dbg_pre,                     \
+                               RK3288_DIV_PCLK_DBGPRE_MASK,            \
+                               RK3288_DIV_PCLK_DBGPRE_SHIFT),          \
+       }
+
+#define RK3288_CPUCLK_RATE(_prate, _core_m0, _core_mp, _l2ram, _atclk, _pdbg) \
+       {                                                               \
+               .prate = _prate,                                        \
+               .divs = {                                               \
+                       RK3288_CLKSEL0(_core_m0, _core_mp),             \
+                       RK3288_CLKSEL37(_l2ram, _atclk, _pdbg),         \
+               },                                                      \
+       }
+
+static struct rockchip_cpuclk_rate_table rk3288_cpuclk_rates[] __initdata = {
+       RK3288_CPUCLK_RATE(1800000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE(1704000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE(1608000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE(1512000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE(1416000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE(1200000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE(1008000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE( 816000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE( 696000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE( 600000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE( 408000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE( 312000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE( 216000000, 2, 4, 2, 4, 4),
+       RK3288_CPUCLK_RATE( 126000000, 2, 4, 2, 4, 4),
+};
+
+static const struct rockchip_cpuclk_reg_data rk3288_cpuclk_data = {
+       .core_reg = RK3288_CLKSEL_CON(0),
+       .div_core_shift = 8,
+       .div_core_mask = 0x1f,
+       .mux_core_shift = 15,
+};
+
 PNAME(mux_pll_p)               = { "xin24m", "xin32k" };
 PNAME(mux_armclk_p)            = { "apll_core", "gpll_core" };
 PNAME(mux_ddrphy_p)            = { "dpll_ddr", "gpll_ddr" };
@@ -166,8 +230,6 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
                        RK3288_CLKGATE_CON(0), 1, GFLAGS),
        GATE(0, "gpll_core", "gpll", 0,
                        RK3288_CLKGATE_CON(0), 2, GFLAGS),
-       COMPOSITE_NOGATE(0, "armclk", mux_armclk_p, 0,
-                       RK3288_CLKSEL_CON(0), 15, 1, MFLAGS, 8, 5, DFLAGS),
 
        COMPOSITE_NOMUX(0, "armcore0", "armclk", 0,
                        RK3288_CLKSEL_CON(36), 0, 3, DFLAGS | CLK_DIVIDER_READ_ONLY,
@@ -739,6 +801,11 @@ static void __init rk3288_clk_init(struct device_node *np)
        rockchip_clk_protect_critical(rk3288_critical_clocks,
                                      ARRAY_SIZE(rk3288_critical_clocks));
 
+       rockchip_clk_register_armclk(ARMCLK, "armclk",
+                       mux_armclk_p, ARRAY_SIZE(mux_armclk_p),
+                       &rk3288_cpuclk_data, rk3288_cpuclk_rates,
+                       ARRAY_SIZE(rk3288_cpuclk_rates));
+
        rockchip_register_softrst(np, 12, reg_base + RK3288_SOFTRST_CON(0),
                                  ROCKCHIP_SOFTRST_HIWORD_MASK);
 }