>From 390af4a7e1d35fd44b73124a397da90b6cdeb021 Mon Sep 17 00:00:00 2001 From: Caesar Wang Date: Sat, 12 Dec 2015 11:24:20 +0800 Subject: [PATCH] clk: rockchip: include downstream muxes into fractional dividers Use the newly introduced possibility to combine the fractional dividers with their downstream muxes for all fractional dividers on currently supported RK3036 SoCs. Change-Id: I03ad115ddb007dc7d15acd5647d2bd1a81d6f884 Signed-off-by: Caesar Wang --- drivers/clk/rockchip/clk-rk3036.c | 60 ++++++++++++++++++++++++--------------- 1 file changed, 37 insertions(+), 23 deletions(-) diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c index 77a9d75..5fb7171 100644 --- a/drivers/clk/rockchip/clk-rk3036.c +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -154,6 +154,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { * Clock-Architecture Diagram 1 */ + /* PD_CORE */ GATE(0, "gpll_armclk", "gpll", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(0), 6, GFLAGS), @@ -161,6 +162,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { * Clock-Architecture Diagram 2 */ + /* PD_DDR */ GATE(0, "dpll_ddr", "dpll", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(0), 2, GFLAGS), GATE(0, "gpll_ddr", "gpll", CLK_IGNORE_UNUSED, @@ -168,6 +170,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED, RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), + /* PD_CORE */ COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED, RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY, RK2928_CLKGATE_CON(0), 7, GFLAGS), @@ -175,6 +178,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(1), 4, 3, DFLAGS | CLK_DIVIDER_READ_ONLY, RK2928_CLKGATE_CON(0), 7, GFLAGS), + /* PD_CPU (BUS) */ GATE(0, "dpll_cpu", "dpll", 0, RK2928_CLKGATE_CON(10), 8, GFLAGS), GATE(0, "gpll_cpu", "gpll", 0, RK2928_CLKGATE_CON(0), 1, GFLAGS), COMPOSITE_NOGATE(0, "aclk_cpu_src", mux_busclk_p, 0, @@ -188,21 +192,25 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(1), 8, 2, DFLAGS | CLK_DIVIDER_READ_ONLY, RK2928_CLKGATE_CON(0), 4, GFLAGS), + /* PD_PERI */ COMPOSITE(0, "aclk_peri_src", mux_pll_src_3plls_p, 0, RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS, RK2928_CLKGATE_CON(2), 0, GFLAGS), GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0, RK2928_CLKGATE_CON(2), 1, GFLAGS), + /* pclk_peri_src is soure for timers */ DIV(0, "pclk_peri_src", "aclk_peri_src", CLK_IGNORE_UNUSED, RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), GATE(PCLK_PERI, "pclk_peri", "pclk_peri_src", 0, RK2928_CLKGATE_CON(2), 3, GFLAGS), + /* hclk_peri_src is soure for sclk_macref_out */ DIV(0, "hclk_peri_src", "aclk_peri_src", CLK_IGNORE_UNUSED, RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO), GATE(HCLK_PERI, "hclk_peri", "hclk_peri_src", 0, RK2928_CLKGATE_CON(2), 2, GFLAGS), + /* PD_TIMER */ COMPOSITE_NODIV(SCLK_TIMER0, "sclk_timer0", mux_timer_p, CLK_IGNORE_UNUSED, RK2928_CLKSEL_CON(2), 4, 1, DFLAGS, RK2928_CLKGATE_CON(1), 0, GFLAGS), @@ -216,6 +224,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(2), 7, 1, DFLAGS, RK2928_CLKGATE_CON(2), 5, GFLAGS), + /* PD_UART */ MUX(0, "uart_pll_clk", mux_pll_src_apll_dpll_gpll_usb480m_p, 0, RK2928_CLKSEL_CON(13), 10, 2, MFLAGS), COMPOSITE_NOMUX(0, "uart0_src", "uart_pll_clk", 0, @@ -227,22 +236,23 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { COMPOSITE_NOMUX(0, "uart2_src", "uart_pll_clk", 0, RK2928_CLKSEL_CON(13), 0, 7, DFLAGS, RK2928_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, RK2928_CLKSEL_CON(17), 0, - RK2928_CLKGATE_CON(1), 9, GFLAGS), - COMPOSITE_FRAC(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, + RK2928_CLKGATE_CON(1), 9, GFLAGS, + MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(13), 8, 2, MFLAGS)), + COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT, RK2928_CLKSEL_CON(18), 0, - RK2928_CLKGATE_CON(1), 11, GFLAGS), - COMPOSITE_FRAC(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, + RK2928_CLKGATE_CON(1), 11, GFLAGS, + MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(14), 8, 2, MFLAGS)), + COMPOSITE_FRACMUX(0, "uart2_frac", "uart2_src", CLK_SET_RATE_PARENT, RK2928_CLKSEL_CON(19), 0, - RK2928_CLKGATE_CON(1), 13, GFLAGS), - MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT, - RK2928_CLKSEL_CON(13), 8, 2, MFLAGS), - MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT, - RK2928_CLKSEL_CON(14), 8, 2, MFLAGS), - MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, - RK2928_CLKSEL_CON(15), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(1), 13, GFLAGS, + MUX(SCLK_UART2, "sclk_uart2", mux_uart2_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(15), 8, 2, MFLAGS)), + /* PD_VIDEO */ COMPOSITE(0, "aclk_vcodec", mux_pll_src_3plls_p, 0, RK2928_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS, RK2928_CLKGATE_CON(3), 11, GFLAGS), @@ -251,6 +261,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(20), 0, 2, MFLAGS, 2, 5, DFLAGS, RK2928_CLKGATE_CON(10), 6, GFLAGS), + /* PD_VIO */ COMPOSITE(0, "aclk_disp1_pre", mux_pll_src_3plls_p, 0, RK2928_CLKSEL_CON(31), 14, 2, MFLAGS, 8, 5, DFLAGS, RK2928_CLKGATE_CON(1), 4, GFLAGS), @@ -261,6 +272,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(28), 0, 2, MFLAGS, 8, 8, DFLAGS, RK2928_CLKGATE_CON(3), 2, GFLAGS), + /* MMC */ COMPOSITE_NODIV(0, "sclk_sdmmc_src", mux_mmc_src_p, 0, RK2928_CLKSEL_CON(12), 8, 2, DFLAGS, RK2928_CLKGATE_CON(2), 11, GFLAGS), @@ -286,28 +298,30 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3036_EMMC_CON0, 1), MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3036_EMMC_CON1, 0), + /* I2S */ COMPOSITE(0, "i2s_src", mux_pll_src_3plls_p, 0, RK2928_CLKSEL_CON(3), 14, 2, MFLAGS, 0, 7, DFLAGS, RK2928_CLKGATE_CON(0), 9, GFLAGS), - COMPOSITE_FRAC(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT, + COMPOSITE_FRACMUX(0, "i2s_frac", "i2s_src", CLK_SET_RATE_PARENT, RK2928_CLKSEL_CON(7), 0, - RK2928_CLKGATE_CON(0), 10, GFLAGS), - MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT, - RK2928_CLKSEL_CON(3), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(0), 10, GFLAGS, + MUX(0, "i2s_pre", mux_i2s_pre_p, CLK_SET_RATE_PARENT, + RK2928_CLKSEL_CON(3), 8, 2, MFLAGS)), COMPOSITE_NODIV(SCLK_I2S_OUT, "i2s_clkout", mux_i2s_clkout_p, 0, RK2928_CLKSEL_CON(3), 12, 1, MFLAGS, RK2928_CLKGATE_CON(0), 13, GFLAGS), GATE(SCLK_I2S, "sclk_i2s", "i2s_pre", CLK_SET_RATE_PARENT, RK2928_CLKGATE_CON(0), 14, GFLAGS), + /* SPDIF */ COMPOSITE(0, "spdif_src", mux_pll_src_3plls_p, 0, RK2928_CLKSEL_CON(5), 10, 2, MFLAGS, 0, 7, DFLAGS, RK2928_CLKGATE_CON(2), 10, GFLAGS), - COMPOSITE_FRAC(0, "spdif_frac", "spdif_src", 0, + COMPOSITE_FRACMUX(0, "spdif_frac", "spdif_src", 0, RK2928_CLKSEL_CON(9), 0, - RK2928_CLKGATE_CON(2), 12, GFLAGS), - MUX(SCLK_SPDIF, "sclk_spdif", mux_spdif_p, 0, - RK2928_CLKSEL_CON(5), 8, 2, MFLAGS), + RK2928_CLKGATE_CON(2), 12, GFLAGS, + MUX(SCLK_SPDIF, "sclk_spdif", mux_spdif_p, 0, + RK2928_CLKSEL_CON(5), 8, 2, MFLAGS)), GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin12m", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(1), 5, GFLAGS), @@ -332,7 +346,6 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { RK2928_CLKSEL_CON(21), 0, 2, MFLAGS, 4, 5, DFLAGS), MUX(SCLK_MACREF, "mac_clk_ref", mux_mac_p, CLK_SET_RATE_PARENT, RK2928_CLKSEL_CON(21), 3, 1, MFLAGS), - COMPOSITE_NOMUX(SCLK_MAC, "mac_clk", "mac_clk_ref", 0, RK2928_CLKSEL_CON(21), 9, 5, DFLAGS, RK2928_CLKGATE_CON(2), 6, GFLAGS), @@ -364,7 +377,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { GATE(HCLK_VIO_BUS, "hclk_vio_bus", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS), GATE(HCLK_LCDC, "hclk_lcdc", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS), - /* hclk_video gates */ + /* aclk_video gates */ GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(3), 12, GFLAGS), /* xin24m gates */ @@ -394,7 +407,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = { /* pclk_peri gates */ GATE(0, "pclk_peri_matrix", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(4), 1, GFLAGS), GATE(0, "pclk_efuse", "pclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(5), 2, GFLAGS), - GATE(PCLK_TIMER, "pclk_timer", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS), + GATE(PCLK_TIMER, "pclk_timer0", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 7, GFLAGS), GATE(PCLK_PWM, "pclk_pwm", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 10, GFLAGS), GATE(PCLK_SPI, "pclk_spi", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 12, GFLAGS), GATE(PCLK_WDT, "pclk_wdt", "pclk_peri", 0, RK2928_CLKGATE_CON(7), 15, GFLAGS), @@ -414,6 +427,7 @@ static const char *const rk3036_critical_clocks[] __initconst = { "aclk_peri", "hclk_peri", "pclk_peri", + "uart_pll_clk", }; static void __init rk3036_clk_init(struct device_node *np) -- 1.9.1