diff options
Diffstat (limited to 'drivers/clk/rockchip/clk-rk3288.c')
| -rw-r--r-- | drivers/clk/rockchip/clk-rk3288.c | 136 |
1 files changed, 79 insertions, 57 deletions
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 9040878e3e2b..984fc187d12e 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -225,6 +225,38 @@ static struct clk_div_table div_hclk_cpu_t[] = { #define GFLAGS (CLK_GATE_HIWORD_MASK | CLK_GATE_SET_TO_DISABLE) #define IFLAGS ROCKCHIP_INVERTER_HIWORD_MASK +static struct rockchip_clk_branch rk3288_i2s_fracmux __initdata = + MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(4), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_spdif_fracmux __initdata = + MUX(0, "spdif_mux", mux_spdif_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(5), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_spdif_8ch_fracmux __initdata = + MUX(0, "spdif_8ch_mux", mux_spdif_8ch_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(40), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart0_fracmux __initdata = + MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(13), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart1_fracmux __initdata = + MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(14), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart2_fracmux __initdata = + MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(15), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart3_fracmux __initdata = + MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(16), 8, 2, MFLAGS); + +static struct rockchip_clk_branch rk3288_uart4_fracmux __initdata = + MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT, + RK3288_CLKSEL_CON(3), 8, 2, MFLAGS); + static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { /* * Clock-Architecture Diagram 1 @@ -295,7 +327,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { RK3288_CLKGATE_CON(0), 4, GFLAGS), GATE(0, "c2c_host", "aclk_cpu_src", 0, RK3288_CLKGATE_CON(13), 8, GFLAGS), - COMPOSITE_NOMUX(0, "crypto", "aclk_cpu_pre", 0, + COMPOSITE_NOMUX(SCLK_CRYPTO, "crypto", "aclk_cpu_pre", 0, RK3288_CLKSEL_CON(26), 6, 2, DFLAGS, RK3288_CLKGATE_CON(5), 4, GFLAGS), GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", CLK_IGNORE_UNUSED, @@ -304,11 +336,10 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "i2s_src", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(4), 15, 1, MFLAGS, 0, 7, DFLAGS, RK3288_CLKGATE_CON(4), 1, GFLAGS), - COMPOSITE_FRAC(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(8), 0, - RK3288_CLKGATE_CON(4), 2, GFLAGS), - MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(4), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(4), 2, GFLAGS, + &rk3288_i2s_fracmux), COMPOSITE_NODIV(SCLK_I2S0_OUT, "i2s0_clkout", mux_i2s_clkout_p, 0, RK3288_CLKSEL_CON(4), 12, 1, MFLAGS, RK3288_CLKGATE_CON(4), 0, GFLAGS), @@ -317,23 +348,23 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { MUX(0, "spdif_src", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(5), 15, 1, MFLAGS), - COMPOSITE_NOMUX(0, "spdif_pre", "spdif_src", 0, + COMPOSITE_NOMUX(0, "spdif_pre", "spdif_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(5), 0, 7, DFLAGS, RK3288_CLKGATE_CON(4), 4, GFLAGS), - COMPOSITE_FRAC(0, "spdif_frac", "spdif_src", 0, + COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(9), 0, - RK3288_CLKGATE_CON(4), 5, GFLAGS), - COMPOSITE_NODIV(SCLK_SPDIF, "sclk_spdif", mux_spdif_p, 0, - RK3288_CLKSEL_CON(5), 8, 2, MFLAGS, + RK3288_CLKGATE_CON(4), 5, GFLAGS, + &rk3288_spdif_fracmux), + GATE(SCLK_SPDIF, "sclk_spdif", "spdif_mux", CLK_SET_RATE_PARENT, RK3288_CLKGATE_CON(4), 6, GFLAGS), - COMPOSITE_NOMUX(0, "spdif_8ch_pre", "spdif_src", 0, + COMPOSITE_NOMUX(0, "spdif_8ch_pre", "spdif_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(40), 0, 7, DFLAGS, RK3288_CLKGATE_CON(4), 7, GFLAGS), - COMPOSITE_FRAC(0, "spdif_8ch_frac", "spdif_8ch_pre", 0, + COMPOSITE_FRACMUX(0, "spdif_8ch_frac", "spdif_8ch_pre", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(41), 0, - RK3288_CLKGATE_CON(4), 8, GFLAGS), - COMPOSITE_NODIV(SCLK_SPDIF8CH, "sclk_spdif_8ch", mux_spdif_8ch_p, 0, - RK3288_CLKSEL_CON(40), 8, 2, MFLAGS, + RK3288_CLKGATE_CON(4), 8, GFLAGS, + &rk3288_spdif_8ch_fracmux), + GATE(SCLK_SPDIF8CH, "sclk_spdif_8ch", "spdif_8ch_mux", CLK_SET_RATE_PARENT, RK3288_CLKGATE_CON(4), 9, GFLAGS), GATE(0, "sclk_acc_efuse", "xin24m", 0, @@ -536,45 +567,40 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gll_usb_npll_p, 0, RK3288_CLKSEL_CON(13), 13, 2, MFLAGS, 0, 7, DFLAGS, RK3288_CLKGATE_CON(1), 8, GFLAGS), - COMPOSITE_FRAC(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(17), 0, - RK3288_CLKGATE_CON(1), 9, GFLAGS), - MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(13), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(1), 9, GFLAGS, + &rk3288_uart0_fracmux), MUX(0, "uart_src", mux_pll_src_cpll_gpll_p, 0, RK3288_CLKSEL_CON(13), 15, 1, MFLAGS), COMPOSITE_NOMUX(0, "uart1_src", "uart_src", 0, RK3288_CLKSEL_CON(14), 0, 7, DFLAGS, RK3288_CLKGATE_CON(1), 10, GFLAGS), - COMPOSITE_FRAC(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(18), 0, - RK3288_CLKGATE_CON(1), 11, GFLAGS), - MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(14), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(1), 11, GFLAGS, + &rk3288_uart1_fracmux), COMPOSITE_NOMUX(0, "uart2_src", "uart_src", 0, RK3288_CLKSEL_CON(15), 0, 7, DFLAGS, RK3288_CLKGATE_CON(1), 12, GFLAGS), - COMPOSITE_FRAC(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(19), 0, - RK3288_CLKGATE_CON(1), 13, GFLAGS), - MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(15), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(1), 13, GFLAGS, + &rk3288_uart2_fracmux), COMPOSITE_NOMUX(0, "uart3_src", "uart_src", 0, RK3288_CLKSEL_CON(16), 0, 7, DFLAGS, RK3288_CLKGATE_CON(1), 14, GFLAGS), - COMPOSITE_FRAC(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(20), 0, - RK3288_CLKGATE_CON(1), 15, GFLAGS), - MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(16), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(1), 15, GFLAGS, + &rk3288_uart3_fracmux), COMPOSITE_NOMUX(0, "uart4_src", "uart_src", 0, RK3288_CLKSEL_CON(3), 0, 7, DFLAGS, RK3288_CLKGATE_CON(2), 12, GFLAGS), - COMPOSITE_FRAC(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT, RK3288_CLKSEL_CON(7), 0, - RK3288_CLKGATE_CON(2), 13, GFLAGS), - MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT, - RK3288_CLKSEL_CON(3), 8, 2, MFLAGS), + RK3288_CLKGATE_CON(2), 13, GFLAGS, + &rk3288_uart4_fracmux), COMPOSITE(0, "mac_pll_src", mux_pll_src_npll_cpll_gpll_p, 0, RK3288_CLKSEL_CON(21), 0, 2, MFLAGS, 8, 5, DFLAGS, @@ -644,10 +670,10 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(PCLK_PUBL0, "pclk_publ0", "pclk_cpu", 0, RK3288_CLKGATE_CON(10), 15, GFLAGS), GATE(PCLK_DDRUPCTL1, "pclk_ddrupctl1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 0, GFLAGS), GATE(PCLK_PUBL1, "pclk_publ1", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 1, GFLAGS), - GATE(0, "pclk_efuse_1024", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 2, GFLAGS), + GATE(PCLK_EFUSE1024, "pclk_efuse_1024", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 2, GFLAGS), GATE(PCLK_TZPC, "pclk_tzpc", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 3, GFLAGS), GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 9, GFLAGS), - GATE(0, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS), + GATE(PCLK_EFUSE256, "pclk_efuse_256", "pclk_cpu", 0, RK3288_CLKGATE_CON(11), 10, GFLAGS), GATE(PCLK_RKPWM, "pclk_rkpwm", "pclk_cpu", CLK_IGNORE_UNUSED, RK3288_CLKGATE_CON(11), 11, GFLAGS), /* ddrctrl [DDR Controller PHY clock] gates */ @@ -709,7 +735,7 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = { GATE(SCLK_LCDC_PWM1, "sclk_lcdc_pwm1", "xin24m", 0, RK3288_CLKGATE_CON(13), 11, GFLAGS), GATE(SCLK_PVTM_CORE, "sclk_pvtm_core", "xin24m", 0, RK3288_CLKGATE_CON(5), 9, GFLAGS), GATE(SCLK_PVTM_GPU, "sclk_pvtm_gpu", "xin24m", 0, RK3288_CLKGATE_CON(5), 10, GFLAGS), - GATE(0, "sclk_mipidsi_24m", "xin24m", 0, RK3288_CLKGATE_CON(5), 15, GFLAGS), + GATE(SCLK_MIPIDSI_24M, "sclk_mipidsi_24m", "xin24m", 0, RK3288_CLKGATE_CON(5), 15, GFLAGS), /* sclk_gpu gates */ GATE(ACLK_GPU, "aclk_gpu", "sclk_gpu", 0, RK3288_CLKGATE_CON(18), 0, GFLAGS), @@ -783,10 +809,10 @@ static const char *const rk3288_critical_clocks[] __initconst = { "pclk_pd_pmu", }; -#ifdef CONFIG_PM_SLEEP static void __iomem *rk3288_cru_base; -/* Some CRU registers will be reset in maskrom when the system +/* + * Some CRU registers will be reset in maskrom when the system * wakes up from fastboot. * So save them before suspend, restore them after resume. */ @@ -840,33 +866,27 @@ static void rk3288_clk_resume(void) } } +static void rk3288_clk_shutdown(void) +{ + writel_relaxed(0xf3030000, rk3288_cru_base + RK3288_MODE_CON); +} + static struct syscore_ops rk3288_clk_syscore_ops = { .suspend = rk3288_clk_suspend, .resume = rk3288_clk_resume, }; -static void rk3288_clk_sleep_init(void __iomem *reg_base) -{ - rk3288_cru_base = reg_base; - register_syscore_ops(&rk3288_clk_syscore_ops); -} - -#else /* CONFIG_PM_SLEEP */ -static void rk3288_clk_sleep_init(void __iomem *reg_base) {} -#endif - static void __init rk3288_clk_init(struct device_node *np) { - void __iomem *reg_base; struct clk *clk; - reg_base = of_iomap(np, 0); - if (!reg_base) { + rk3288_cru_base = of_iomap(np, 0); + if (!rk3288_cru_base) { pr_err("%s: could not map cru region\n", __func__); return; } - rockchip_clk_init(np, reg_base, CLK_NR_CLKS); + rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS); /* xin12m is created by an cru-internal divider */ clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2); @@ -907,10 +927,12 @@ static void __init rk3288_clk_init(struct device_node *np) &rk3288_cpuclk_data, rk3288_cpuclk_rates, ARRAY_SIZE(rk3288_cpuclk_rates)); - rockchip_register_softrst(np, 12, reg_base + RK3288_SOFTRST_CON(0), + rockchip_register_softrst(np, 12, + rk3288_cru_base + RK3288_SOFTRST_CON(0), ROCKCHIP_SOFTRST_HIWORD_MASK); - rockchip_register_restart_notifier(RK3288_GLB_SRST_FST); - rk3288_clk_sleep_init(reg_base); + rockchip_register_restart_notifier(RK3288_GLB_SRST_FST, + rk3288_clk_shutdown); + register_syscore_ops(&rk3288_clk_syscore_ops); } CLK_OF_DECLARE(rk3288_cru, "rockchip,rk3288-cru", rk3288_clk_init); |