diff options
Diffstat (limited to 'drivers/clk/mmp/clk-of-mmp2.c')
| -rw-r--r-- | drivers/clk/mmp/clk-of-mmp2.c | 146 |
1 files changed, 135 insertions, 11 deletions
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index 6e71591e63a0..52dc8b43acd9 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -3,6 +3,7 @@ * * Copyright (C) 2012 Marvell * Chao Xie <xiechao.mail@gmail.com> + * Copyright (C) 2020 Lubomir Rintel <lkundrak@v3.sk> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -48,17 +49,39 @@ #define APMU_SDH1 0x58 #define APMU_SDH2 0xe8 #define APMU_SDH3 0xec +#define APMU_SDH4 0x15c #define APMU_USB 0x5c #define APMU_DISP0 0x4c #define APMU_DISP1 0x110 #define APMU_CCIC0 0x50 #define APMU_CCIC1 0xf4 +#define APBC_THERMAL0 0x90 +#define APBC_THERMAL1 0x98 +#define APBC_THERMAL2 0x9c +#define APBC_THERMAL3 0xa0 #define APMU_USBHSIC0 0xf8 #define APMU_USBHSIC1 0xfc -#define MPMU_UART_PLL 0x14 +#define APMU_GPU 0xcc + +#define MPMU_FCCR 0x8 +#define MPMU_POSR 0x10 +#define MPMU_UART_PLL 0x14 +#define MPMU_PLL2_CR 0x34 +/* MMP3 specific below */ +#define MPMU_PLL3_CR 0x50 +#define MPMU_PLL3_CTRL1 0x58 +#define MPMU_PLL1_CTRL 0x5c +#define MPMU_PLL_DIFF_CTRL 0x68 +#define MPMU_PLL2_CTRL1 0x414 + +enum mmp2_clk_model { + CLK_MODEL_MMP2, + CLK_MODEL_MMP3, +}; struct mmp2_clk_unit { struct mmp_clk_unit unit; + enum mmp2_clk_model model; void __iomem *mpmu_base; void __iomem *apmu_base; void __iomem *apbc_base; @@ -67,11 +90,22 @@ struct mmp2_clk_unit { static struct mmp_param_fixed_rate_clk fixed_rate_clks[] = { {MMP2_CLK_CLK32, "clk32", NULL, 0, 32768}, {MMP2_CLK_VCTCXO, "vctcxo", NULL, 0, 26000000}, - {MMP2_CLK_PLL1, "pll1", NULL, 0, 800000000}, - {MMP2_CLK_PLL2, "pll2", NULL, 0, 960000000}, {MMP2_CLK_USB_PLL, "usb_pll", NULL, 0, 480000000}, }; +static struct mmp_param_pll_clk pll_clks[] = { + {MMP2_CLK_PLL1, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0}, + {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10}, +}; + +static struct mmp_param_pll_clk mmp3_pll_clks[] = { + {MMP2_CLK_PLL2, "pll1", 797330000, MPMU_FCCR, 0x4000, MPMU_POSR, 0, 26000000, MPMU_PLL1_CTRL, 25}, + {MMP2_CLK_PLL2, "pll2", 0, MPMU_PLL2_CR, 0x0300, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL2_CTRL1, 25}, + {MMP3_CLK_PLL1_P, "pll1_p", 0, MPMU_PLL_DIFF_CTRL, 0x0010, 0, 0, 797330000, MPMU_PLL_DIFF_CTRL, 0}, + {MMP3_CLK_PLL2_P, "pll2_p", 0, MPMU_PLL_DIFF_CTRL, 0x0100, MPMU_PLL2_CR, 10, 26000000, MPMU_PLL_DIFF_CTRL, 5}, + {MMP3_CLK_PLL3, "pll3", 0, MPMU_PLL3_CR, 0x0300, MPMU_PLL3_CR, 10, 26000000, MPMU_PLL3_CTRL1, 25}, +}; + static struct mmp_param_fixed_factor_clk fixed_factor_clks[] = { {MMP2_CLK_PLL1_2, "pll1_2", "pll1", 1, 2, 0}, {MMP2_CLK_PLL1_4, "pll1_4", "pll1_2", 1, 2, 0}, @@ -113,6 +147,16 @@ static void mmp2_pll_init(struct mmp2_clk_unit *pxa_unit) mmp_register_fixed_rate_clks(unit, fixed_rate_clks, ARRAY_SIZE(fixed_rate_clks)); + if (pxa_unit->model == CLK_MODEL_MMP3) { + mmp_register_pll_clks(unit, mmp3_pll_clks, + pxa_unit->mpmu_base, + ARRAY_SIZE(mmp3_pll_clks)); + } else { + mmp_register_pll_clks(unit, pll_clks, + pxa_unit->mpmu_base, + ARRAY_SIZE(pll_clks)); + } + mmp_register_fixed_factor_clks(unit, fixed_factor_clks, ARRAY_SIZE(fixed_factor_clks)); @@ -127,16 +171,16 @@ static void mmp2_pll_init(struct mmp2_clk_unit *pxa_unit) static DEFINE_SPINLOCK(uart0_lock); static DEFINE_SPINLOCK(uart1_lock); static DEFINE_SPINLOCK(uart2_lock); -static const char *uart_parent_names[] = {"uart_pll", "vctcxo"}; +static const char * const uart_parent_names[] = {"uart_pll", "vctcxo"}; static DEFINE_SPINLOCK(ssp0_lock); static DEFINE_SPINLOCK(ssp1_lock); static DEFINE_SPINLOCK(ssp2_lock); static DEFINE_SPINLOCK(ssp3_lock); -static const char *ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"}; +static const char * const ssp_parent_names[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"}; static DEFINE_SPINLOCK(timer_lock); -static const char *timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"}; +static const char * const timer_parent_names[] = {"clk32", "vctcxo_4", "vctcxo_2", "vctcxo"}; static DEFINE_SPINLOCK(reset_lock); @@ -176,6 +220,13 @@ static struct mmp_param_gate_clk apbc_gate_clks[] = { {MMP2_CLK_SSP2, "ssp2_clk", "ssp2_mux", CLK_SET_RATE_PARENT, APBC_SSP2, 0x7, 0x3, 0x0, 0, &ssp2_lock}, {MMP2_CLK_SSP3, "ssp3_clk", "ssp3_mux", CLK_SET_RATE_PARENT, APBC_SSP3, 0x7, 0x3, 0x0, 0, &ssp3_lock}, {MMP2_CLK_TIMER, "timer_clk", "timer_mux", CLK_SET_RATE_PARENT, APBC_TIMER, 0x7, 0x3, 0x0, 0, &timer_lock}, + {MMP2_CLK_THERMAL0, "thermal0_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL0, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, +}; + +static struct mmp_param_gate_clk mmp3_apbc_gate_clks[] = { + {MMP3_CLK_THERMAL1, "thermal1_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL1, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, + {MMP3_CLK_THERMAL2, "thermal2_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL2, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, + {MMP3_CLK_THERMAL3, "thermal3_clk", "vctcxo", CLK_SET_RATE_PARENT, APBC_THERMAL3, 0x7, 0x3, 0x0, MMP_CLK_GATE_NEED_DELAY, &reset_lock}, }; static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit) @@ -187,10 +238,15 @@ static void mmp2_apb_periph_clk_init(struct mmp2_clk_unit *pxa_unit) mmp_register_gate_clks(unit, apbc_gate_clks, pxa_unit->apbc_base, ARRAY_SIZE(apbc_gate_clks)); + + if (pxa_unit->model == CLK_MODEL_MMP3) { + mmp_register_gate_clks(unit, mmp3_apbc_gate_clks, pxa_unit->apbc_base, + ARRAY_SIZE(mmp3_apbc_gate_clks)); + } } static DEFINE_SPINLOCK(sdh_lock); -static const char *sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"}; +static const char * const sdh_parent_names[] = {"pll1_4", "pll2", "usb_pll", "pll1"}; static struct mmp_clk_mix_config sdh_mix_config = { .reg_info = DEFINE_MIX_REG_INFO(4, 10, 2, 8, 32), }; @@ -201,11 +257,20 @@ static DEFINE_SPINLOCK(usbhsic1_lock); static DEFINE_SPINLOCK(disp0_lock); static DEFINE_SPINLOCK(disp1_lock); -static const char *disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"}; +static const char * const disp_parent_names[] = {"pll1", "pll1_16", "pll2", "vctcxo"}; static DEFINE_SPINLOCK(ccic0_lock); static DEFINE_SPINLOCK(ccic1_lock); -static const char *ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"}; +static const char * const ccic_parent_names[] = {"pll1_2", "pll1_16", "vctcxo"}; + +static DEFINE_SPINLOCK(gpu_lock); +static const char * const mmp2_gpu_gc_parent_names[] = {"pll1_2", "pll1_3", "pll2_2", "pll2_3", "pll2", "usb_pll"}; +static u32 mmp2_gpu_gc_parent_table[] = { 0x0000, 0x0040, 0x0080, 0x00c0, 0x1000, 0x1040 }; +static const char * const mmp2_gpu_bus_parent_names[] = {"pll1_4", "pll2", "pll2_2", "usb_pll"}; +static u32 mmp2_gpu_bus_parent_table[] = { 0x0000, 0x0020, 0x0030, 0x4020 }; +static const char * const mmp3_gpu_bus_parent_names[] = {"pll1_4", "pll1_6", "pll1_2", "pll2_2"}; +static const char * const mmp3_gpu_gc_parent_names[] = {"pll1", "pll2", "pll1_p", "pll2_p"}; + static struct mmp_clk_mix_config ccic0_mix_config = { .reg_info = DEFINE_MIX_REG_INFO(4, 17, 2, 6, 32), }; @@ -218,6 +283,15 @@ static struct mmp_param_mux_clk apmu_mux_clks[] = { {MMP2_CLK_DISP1_MUX, "disp1_mux", disp_parent_names, ARRAY_SIZE(disp_parent_names), CLK_SET_RATE_PARENT, APMU_DISP1, 6, 2, 0, &disp1_lock}, }; +static struct mmp_param_mux_clk mmp3_apmu_mux_clks[] = { + {0, "gpu_bus_mux", mmp3_gpu_bus_parent_names, ARRAY_SIZE(mmp3_gpu_bus_parent_names), + CLK_SET_RATE_PARENT, APMU_GPU, 4, 2, 0, &gpu_lock}, + {0, "gpu_3d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names), + CLK_SET_RATE_PARENT, APMU_GPU, 6, 2, 0, &gpu_lock}, + {0, "gpu_2d_mux", mmp3_gpu_gc_parent_names, ARRAY_SIZE(mmp3_gpu_gc_parent_names), + CLK_SET_RATE_PARENT, APMU_GPU, 12, 2, 0, &gpu_lock}, +}; + static struct mmp_param_div_clk apmu_div_clks[] = { {0, "disp0_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 8, 4, 0, &disp0_lock}, {0, "disp0_sphy_div", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 15, 5, 0, &disp0_lock}, @@ -226,6 +300,11 @@ static struct mmp_param_div_clk apmu_div_clks[] = { {0, "ccic1_sphy_div", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 10, 5, 0, &ccic1_lock}, }; +static struct mmp_param_div_clk mmp3_apmu_div_clks[] = { + {0, "gpu_3d_div", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 24, 4, 0, &gpu_lock}, + {0, "gpu_2d_div", "gpu_2d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 28, 4, 0, &gpu_lock}, +}; + static struct mmp_param_gate_clk apmu_gate_clks[] = { {MMP2_CLK_USB, "usb_clk", "usb_pll", 0, APMU_USB, 0x9, 0x9, 0x0, 0, &usb_lock}, {MMP2_CLK_USBHSIC0, "usbhsic0_clk", "usb_pll", 0, APMU_USBHSIC0, 0x1b, 0x1b, 0x0, 0, &usbhsic0_lock}, @@ -235,8 +314,8 @@ static struct mmp_param_gate_clk apmu_gate_clks[] = { {MMP2_CLK_SDH1, "sdh1_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH1, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, {MMP2_CLK_SDH2, "sdh2_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH2, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, {MMP2_CLK_SDH3, "sdh3_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH3, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, - {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock}, - {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock}, + {MMP2_CLK_DISP0, "disp0_clk", "disp0_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x12, 0x12, 0x0, 0, &disp0_lock}, + {MMP2_CLK_DISP0_LCDC, "disp0_lcdc_clk", "disp0_mux", CLK_SET_RATE_PARENT, APMU_DISP0, 0x09, 0x09, 0x0, 0, &disp0_lock}, {MMP2_CLK_DISP0_SPHY, "disp0_sphy_clk", "disp0_sphy_div", CLK_SET_RATE_PARENT, APMU_DISP0, 0x1024, 0x1024, 0x0, 0, &disp0_lock}, {MMP2_CLK_DISP1, "disp1_clk", "disp1_div", CLK_SET_RATE_PARENT, APMU_DISP1, 0x09, 0x09, 0x0, 0, &disp1_lock}, {MMP2_CLK_CCIC_ARBITER, "ccic_arbiter", "vctcxo", CLK_SET_RATE_PARENT, APMU_CCIC0, 0x1800, 0x1800, 0x0, 0, &ccic0_lock}, @@ -246,6 +325,17 @@ static struct mmp_param_gate_clk apmu_gate_clks[] = { {MMP2_CLK_CCIC1, "ccic1_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x1b, 0x1b, 0x0, 0, &ccic1_lock}, {MMP2_CLK_CCIC1_PHY, "ccic1_phy_clk", "ccic1_mix_clk", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x24, 0x24, 0x0, 0, &ccic1_lock}, {MMP2_CLK_CCIC1_SPHY, "ccic1_sphy_clk", "ccic1_sphy_div", CLK_SET_RATE_PARENT, APMU_CCIC1, 0x300, 0x300, 0x0, 0, &ccic1_lock}, + {MMP2_CLK_GPU_BUS, "gpu_bus_clk", "gpu_bus_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0xa, 0xa, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, +}; + +static struct mmp_param_gate_clk mmp2_apmu_gate_clks[] = { + {MMP2_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_mux", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, +}; + +static struct mmp_param_gate_clk mmp3_apmu_gate_clks[] = { + {MMP3_CLK_SDH4, "sdh4_clk", "sdh_mix_clk", CLK_SET_RATE_PARENT, APMU_SDH4, 0x1b, 0x1b, 0x0, 0, &sdh_lock}, + {MMP3_CLK_GPU_3D, "gpu_3d_clk", "gpu_3d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x5, 0x5, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, + {MMP3_CLK_GPU_2D, "gpu_2d_clk", "gpu_2d_div", CLK_SET_RATE_PARENT, APMU_GPU, 0x1c0000, 0x1c0000, 0x0, MMP_CLK_GATE_NEED_DELAY, &gpu_lock}, }; static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit) @@ -281,6 +371,34 @@ static void mmp2_axi_periph_clk_init(struct mmp2_clk_unit *pxa_unit) mmp_register_gate_clks(unit, apmu_gate_clks, pxa_unit->apmu_base, ARRAY_SIZE(apmu_gate_clks)); + + if (pxa_unit->model == CLK_MODEL_MMP3) { + mmp_register_mux_clks(unit, mmp3_apmu_mux_clks, pxa_unit->apmu_base, + ARRAY_SIZE(mmp3_apmu_mux_clks)); + + mmp_register_div_clks(unit, mmp3_apmu_div_clks, pxa_unit->apmu_base, + ARRAY_SIZE(mmp3_apmu_div_clks)); + + mmp_register_gate_clks(unit, mmp3_apmu_gate_clks, pxa_unit->apmu_base, + ARRAY_SIZE(mmp3_apmu_gate_clks)); + } else { + clk_register_mux_table(NULL, "gpu_3d_mux", mmp2_gpu_gc_parent_names, + ARRAY_SIZE(mmp2_gpu_gc_parent_names), + CLK_SET_RATE_PARENT, + pxa_unit->apmu_base + APMU_GPU, + 0, 0x10c0, 0, + mmp2_gpu_gc_parent_table, &gpu_lock); + + clk_register_mux_table(NULL, "gpu_bus_mux", mmp2_gpu_bus_parent_names, + ARRAY_SIZE(mmp2_gpu_bus_parent_names), + CLK_SET_RATE_PARENT, + pxa_unit->apmu_base + APMU_GPU, + 0, 0x4030, 0, + mmp2_gpu_bus_parent_table, &gpu_lock); + + mmp_register_gate_clks(unit, mmp2_apmu_gate_clks, pxa_unit->apmu_base, + ARRAY_SIZE(mmp2_apmu_gate_clks)); + } } static void mmp2_clk_reset_init(struct device_node *np, @@ -313,6 +431,11 @@ static void __init mmp2_clk_init(struct device_node *np) if (!pxa_unit) return; + if (of_device_is_compatible(np, "marvell,mmp3-clock")) + pxa_unit->model = CLK_MODEL_MMP3; + else + pxa_unit->model = CLK_MODEL_MMP2; + pxa_unit->mpmu_base = of_iomap(np, 0); if (!pxa_unit->mpmu_base) { pr_err("failed to map mpmu registers\n"); @@ -352,3 +475,4 @@ free_memory: } CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init); +CLK_OF_DECLARE(mmp3_clk, "marvell,mmp3-clock", mmp2_clk_init); |