diff options
Diffstat (limited to 'drivers/clk/samsung/clk-exynos4.c')
| -rw-r--r-- | drivers/clk/samsung/clk-exynos4.c | 111 |
1 files changed, 38 insertions, 73 deletions
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index d8d3cb67b402..134f25f2a913 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -550,9 +550,8 @@ static const struct samsung_fixed_factor_clock exynos4x12_fixed_factor_clks[] __ /* list of mux clocks supported in all exynos4 soc's */ static const struct samsung_mux_clock exynos4_mux_clks[] __initconst = { - MUX_FA(CLK_MOUT_APLL, "mout_apll", mout_apll_p, SRC_CPU, 0, 1, - CLK_SET_RATE_PARENT | CLK_RECALC_NEW_RATES, 0, - "mout_apll"), + MUX_F(CLK_MOUT_APLL, "mout_apll", mout_apll_p, SRC_CPU, 0, 1, + CLK_SET_RATE_PARENT | CLK_RECALC_NEW_RATES, 0), MUX(CLK_MOUT_HDMI, "mout_hdmi", mout_hdmi_p, SRC_TV, 0, 1), MUX(0, "mout_mfc1", sclk_evpll_p, SRC_MFC, 4, 1), MUX(0, "mout_mfc", mout_mfc_p, SRC_MFC, 8, 1), @@ -737,7 +736,7 @@ static const struct samsung_div_clock exynos4_div_clks[] __initconst = { DIV(0, "div_periph", "div_core2", DIV_CPU0, 12, 3), DIV(0, "div_atb", "mout_core", DIV_CPU0, 16, 3), DIV(0, "div_pclk_dbg", "div_atb", DIV_CPU0, 20, 3), - DIV(CLK_ARM_CLK, "div_core2", "div_core", DIV_CPU0, 28, 3), + DIV(0, "div_core2", "div_core", DIV_CPU0, 28, 3), DIV(0, "div_copy", "mout_hpm", DIV_CPU1, 0, 3), DIV(0, "div_hpm", "div_copy", DIV_CPU1, 4, 3), DIV(0, "div_clkout_cpu", "mout_clkout_cpu", CLKOUT_CMU_CPU, 8, 6), @@ -837,6 +836,12 @@ static const struct samsung_div_clock exynos4x12_div_clks[] __initconst = { DIV(0, "div_spi1_isp", "mout_spi1_isp", E4X12_DIV_ISP, 16, 4), DIV(0, "div_spi1_isp_pre", "div_spi1_isp", E4X12_DIV_ISP, 20, 8), DIV(0, "div_uart_isp", "mout_uart_isp", E4X12_DIV_ISP, 28, 4), + DIV(CLK_SCLK_FIMG2D, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4), + DIV(CLK_DIV_C2C, "div_c2c", "mout_c2c", DIV_DMC1, 4, 3), + DIV(0, "div_c2c_aclk", "div_c2c", DIV_DMC1, 12, 3), +}; + +static struct samsung_div_clock exynos4x12_isp_div_clks[] = { DIV_F(CLK_DIV_ISP0, "div_isp0", "aclk200", E4X12_DIV_ISP0, 0, 3, CLK_GET_RATE_NOCACHE, 0), DIV_F(CLK_DIV_ISP1, "div_isp1", "aclk200", E4X12_DIV_ISP0, 4, 3, @@ -846,18 +851,10 @@ static const struct samsung_div_clock exynos4x12_div_clks[] __initconst = { 4, 3, CLK_GET_RATE_NOCACHE, 0), DIV_F(CLK_DIV_MCUISP1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1, 8, 3, CLK_GET_RATE_NOCACHE, 0), - DIV(CLK_SCLK_FIMG2D, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4), - DIV(CLK_DIV_C2C, "div_c2c", "mout_c2c", DIV_DMC1, 4, 3), - DIV(0, "div_c2c_aclk", "div_c2c", DIV_DMC1, 12, 3), }; /* list of gate clocks supported in all exynos4 soc's */ static const struct samsung_gate_clock exynos4_gate_clks[] __initconst = { - /* - * After all Exynos4 based platforms are migrated to use device tree, - * the device name and clock alias names specified below for some - * of the clocks can be removed. - */ GATE(CLK_PPMULEFT, "ppmuleft", "aclk200", GATE_IP_LEFTBUS, 1, 0, 0), GATE(CLK_PPMURIGHT, "ppmuright", "aclk200", GATE_IP_RIGHTBUS, 1, 0, 0), GATE(CLK_SCLK_HDMI, "sclk_hdmi", "mout_hdmi", SRC_MASK_TV, 0, 0, 0), @@ -1147,6 +1144,13 @@ static const struct samsung_gate_clock exynos4x12_gate_clks[] __initconst = { 0, 0), GATE(CLK_I2S0, "i2s0", "aclk100", E4X12_GATE_IP_MAUDIO, 3, 0, 0), + GATE(CLK_G2D, "g2d", "aclk200", GATE_IP_DMC, 23, 0, 0), + GATE(CLK_SMMU_G2D, "smmu_g2d", "aclk200", GATE_IP_DMC, 24, 0, 0), + GATE(CLK_TMU_APBIF, "tmu_apbif", "aclk100", E4X12_GATE_IP_PERIR, 17, 0, + 0), +}; + +static struct samsung_gate_clock exynos4x12_isp_gate_clks[] = { GATE(CLK_FIMC_ISP, "isp", "aclk200", E4X12_GATE_ISP0, 0, CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(CLK_FIMC_DRC, "drc", "aclk200", E4X12_GATE_ISP0, 1, @@ -1199,24 +1203,6 @@ static const struct samsung_gate_clock exynos4x12_gate_clks[] __initconst = { CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), GATE(CLK_SPI1_ISP, "spi1_isp", "aclk200", E4X12_GATE_ISP1, 13, CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0), - GATE(CLK_G2D, "g2d", "aclk200", GATE_IP_DMC, 23, 0, 0), - GATE(CLK_SMMU_G2D, "smmu_g2d", "aclk200", GATE_IP_DMC, 24, 0, 0), - GATE(CLK_TMU_APBIF, "tmu_apbif", "aclk100", E4X12_GATE_IP_PERIR, 17, 0, - 0), -}; - -static const struct samsung_clock_alias exynos4_aliases[] __initconst = { - ALIAS(CLK_MOUT_CORE, NULL, "moutcore"), - ALIAS(CLK_ARM_CLK, NULL, "armclk"), - ALIAS(CLK_SCLK_APLL, NULL, "mout_apll"), -}; - -static const struct samsung_clock_alias exynos4210_aliases[] __initconst = { - ALIAS(CLK_SCLK_MPLL, NULL, "mout_mpll"), -}; - -static const struct samsung_clock_alias exynos4x12_aliases[] __initconst = { - ALIAS(CLK_MOUT_MPLL_USER_C, NULL, "mout_mpll"), }; /* @@ -1355,14 +1341,14 @@ static const struct samsung_pll_rate_table exynos4x12_vpll_rates[] __initconst = }; static struct samsung_pll_clock exynos4210_plls[nr_plls] __initdata = { - [apll] = PLL_A(pll_4508, CLK_FOUT_APLL, "fout_apll", "fin_pll", - APLL_LOCK, APLL_CON0, "fout_apll", NULL), - [mpll] = PLL_A(pll_4508, CLK_FOUT_MPLL, "fout_mpll", "fin_pll", - E4210_MPLL_LOCK, E4210_MPLL_CON0, "fout_mpll", NULL), - [epll] = PLL_A(pll_4600, CLK_FOUT_EPLL, "fout_epll", "fin_pll", - EPLL_LOCK, EPLL_CON0, "fout_epll", NULL), - [vpll] = PLL_A(pll_4650c, CLK_FOUT_VPLL, "fout_vpll", "mout_vpllsrc", - VPLL_LOCK, VPLL_CON0, "fout_vpll", NULL), + [apll] = PLL(pll_4508, CLK_FOUT_APLL, "fout_apll", "fin_pll", + APLL_LOCK, APLL_CON0, NULL), + [mpll] = PLL(pll_4508, CLK_FOUT_MPLL, "fout_mpll", "fin_pll", + E4210_MPLL_LOCK, E4210_MPLL_CON0, NULL), + [epll] = PLL(pll_4600, CLK_FOUT_EPLL, "fout_epll", "fin_pll", + EPLL_LOCK, EPLL_CON0, NULL), + [vpll] = PLL(pll_4650c, CLK_FOUT_VPLL, "fout_vpll", "mout_vpllsrc", + VPLL_LOCK, VPLL_CON0, NULL), }; static struct samsung_pll_clock exynos4x12_plls[nr_plls] __initdata = { @@ -1416,24 +1402,6 @@ static const struct exynos_cpuclk_cfg_data e4210_armclk_d[] __initconst = { { 0 }, }; -static const struct exynos_cpuclk_cfg_data e4212_armclk_d[] __initconst = { - { 1500000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4210_CPU_DIV1(2, 6), }, - { 1400000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4210_CPU_DIV1(2, 6), }, - { 1300000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4210_CPU_DIV1(2, 5), }, - { 1200000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4210_CPU_DIV1(2, 5), }, - { 1100000, E4210_CPU_DIV0(2, 1, 4, 0, 6, 3), E4210_CPU_DIV1(2, 4), }, - { 1000000, E4210_CPU_DIV0(1, 1, 4, 0, 5, 2), E4210_CPU_DIV1(2, 4), }, - { 900000, E4210_CPU_DIV0(1, 1, 3, 0, 5, 2), E4210_CPU_DIV1(2, 3), }, - { 800000, E4210_CPU_DIV0(1, 1, 3, 0, 5, 2), E4210_CPU_DIV1(2, 3), }, - { 700000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, - { 600000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, - { 500000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, - { 400000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, - { 300000, E4210_CPU_DIV0(1, 1, 2, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, - { 200000, E4210_CPU_DIV0(1, 1, 1, 0, 3, 1), E4210_CPU_DIV1(2, 3), }, - { 0 }, -}; - #define E4412_CPU_DIV1(cores, hpm, copy) \ (((cores) << 8) | ((hpm) << 4) | ((copy) << 0)) @@ -1527,8 +1495,6 @@ static void __init exynos4_clk_init(struct device_node *np, ARRAY_SIZE(exynos4210_div_clks)); samsung_clk_register_gate(ctx, exynos4210_gate_clks, ARRAY_SIZE(exynos4210_gate_clks)); - samsung_clk_register_alias(ctx, exynos4210_aliases, - ARRAY_SIZE(exynos4210_aliases)); samsung_clk_register_fixed_factor(ctx, exynos4210_fixed_factor_clks, ARRAY_SIZE(exynos4210_fixed_factor_clks)); @@ -1537,32 +1503,31 @@ static void __init exynos4_clk_init(struct device_node *np, e4210_armclk_d, ARRAY_SIZE(e4210_armclk_d), CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); } else { + struct resource res; + samsung_clk_register_mux(ctx, exynos4x12_mux_clks, ARRAY_SIZE(exynos4x12_mux_clks)); samsung_clk_register_div(ctx, exynos4x12_div_clks, ARRAY_SIZE(exynos4x12_div_clks)); samsung_clk_register_gate(ctx, exynos4x12_gate_clks, ARRAY_SIZE(exynos4x12_gate_clks)); - samsung_clk_register_alias(ctx, exynos4x12_aliases, - ARRAY_SIZE(exynos4x12_aliases)); samsung_clk_register_fixed_factor(ctx, exynos4x12_fixed_factor_clks, ARRAY_SIZE(exynos4x12_fixed_factor_clks)); - if (of_machine_is_compatible("samsung,exynos4412")) { - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - mout_core_p4x12[0], mout_core_p4x12[1], 0x14200, - e4412_armclk_d, ARRAY_SIZE(e4412_armclk_d), - CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); - } else { - exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", - mout_core_p4x12[0], mout_core_p4x12[1], 0x14200, - e4212_armclk_d, ARRAY_SIZE(e4212_armclk_d), - CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); + + of_address_to_resource(np, 0, &res); + if (resource_size(&res) > 0x18000) { + samsung_clk_register_div(ctx, exynos4x12_isp_div_clks, + ARRAY_SIZE(exynos4x12_isp_div_clks)); + samsung_clk_register_gate(ctx, exynos4x12_isp_gate_clks, + ARRAY_SIZE(exynos4x12_isp_gate_clks)); } - } - samsung_clk_register_alias(ctx, exynos4_aliases, - ARRAY_SIZE(exynos4_aliases)); + exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", + mout_core_p4x12[0], mout_core_p4x12[1], 0x14200, + e4412_armclk_d, ARRAY_SIZE(e4412_armclk_d), + CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); + } if (soc == EXYNOS4X12) exynos4x12_core_down_clock(); |