コード例 #1
0
ファイル: clk-imx28.c プロジェクト: RobertCNelson/barebox
int __init mx28_clocks_init(void __iomem *regs)
{
	clks[ref_xtal] = clk_fixed("ref_xtal", 24000000);
	clks[pll0] = mxs_clk_pll("pll0", "ref_xtal", PLL0CTRL0, 17, 480000000);
	clks[pll1] = mxs_clk_pll("pll1", "ref_xtal", PLL1CTRL0, 17, 480000000);
	clks[pll2] = mxs_clk_pll("pll2", "ref_xtal", PLL2CTRL0, 23, 50000000);
	clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll0", FRAC0, 0);
	clks[ref_emi] = mxs_clk_ref("ref_emi", "pll0", FRAC0, 1);
	clks[ref_io1] = mxs_clk_ref("ref_io1", "pll0", FRAC0, 2);
	clks[ref_io0] = mxs_clk_ref("ref_io0", "pll0", FRAC0, 3);
	clks[ref_pix] = mxs_clk_ref("ref_pix", "pll0", FRAC1, 0);
	clks[ref_hsadc] = mxs_clk_ref("ref_hsadc", "pll0", FRAC1, 1);
	clks[ref_gpmi] = mxs_clk_ref("ref_gpmi", "pll0", FRAC1, 2);
	clks[gpmi_sel] = mxs_clk_mux("gpmi_sel", CLKSEQ, 2, 1, sel_gpmi, ARRAY_SIZE(sel_gpmi));
	clks[ssp0_sel] = mxs_clk_mux("ssp0_sel", CLKSEQ, 3, 1, sel_io0, ARRAY_SIZE(sel_io0));
	clks[ssp1_sel] = mxs_clk_mux("ssp1_sel", CLKSEQ, 4, 1, sel_io0, ARRAY_SIZE(sel_io0));
	clks[ssp2_sel] = mxs_clk_mux("ssp2_sel", CLKSEQ, 5, 1, sel_io1, ARRAY_SIZE(sel_io1));
	clks[ssp3_sel] = mxs_clk_mux("ssp3_sel", CLKSEQ, 6, 1, sel_io1, ARRAY_SIZE(sel_io1));
	clks[emi_sel] = mxs_clk_mux("emi_sel", CLKSEQ, 7, 1, emi_sels, ARRAY_SIZE(emi_sels));
	clks[etm_sel] = mxs_clk_mux("etm_sel", CLKSEQ, 8, 1, sel_cpu, ARRAY_SIZE(sel_cpu));
	clks[lcdif_sel] = mxs_clk_mux("lcdif_sel", CLKSEQ, 14, 1, sel_pix, ARRAY_SIZE(sel_pix));
	clks[cpu] = mxs_clk_mux("cpu", CLKSEQ, 18, 1, cpu_sels, ARRAY_SIZE(cpu_sels));
	clks[ptp_sel] = mxs_clk_mux("ptp_sel", ENET, 19, 1, ptp_sels, ARRAY_SIZE(ptp_sels));
	clks[cpu_pll] = mxs_clk_div("cpu_pll", "ref_cpu", CPU, 0, 6, 28);
	clks[cpu_xtal] = mxs_clk_div("cpu_xtal", "ref_xtal", CPU, 16, 10, 29);
	clks[hbus] = mxs_clk_div("hbus", "cpu", HBUS, 0, 5, 31);
	clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31);
	clks[ssp0_gate] = mxs_clk_gate("ssp0_gate", "ssp0_sel", SSP0, 31);
	clks[ssp1_gate] = mxs_clk_gate("ssp1_gate", "ssp1_sel", SSP1, 31);
	clks[ssp2_gate] = mxs_clk_gate("ssp2_gate", "ssp2_sel", SSP2, 31);
	clks[ssp3_gate] = mxs_clk_gate("ssp3_gate", "ssp3_sel", SSP3, 31);
	clks[ssp0] = mxs_clk_div("ssp0", "ssp0_gate", SSP0, 0, 9, 29);
	clks[ssp1] = mxs_clk_div("ssp1", "ssp1_gate", SSP1, 0, 9, 29);
	clks[ssp2] = mxs_clk_div("ssp2", "ssp2_gate", SSP2, 0, 9, 29);
	clks[ssp3] = mxs_clk_div("ssp3", "ssp3_gate", SSP3, 0, 9, 29);
	clks[gpmi_div] = mxs_clk_div("gpmi_div", "gpmi_sel", GPMI, 0, 10, 29);
	clks[emi_pll] = mxs_clk_div("emi_pll", "ref_emi", EMI, 0, 6, 28);
	clks[emi_xtal] = mxs_clk_div("emi_xtal", "ref_xtal", EMI, 8, 4, 29);
	clks[lcdif_div] = mxs_clk_div("lcdif_div", "lcdif_sel", LCDIF, 0, 13, 29);
	clks[etm_div] = mxs_clk_div("etm_div", "etm_sel", ETM, 0, 7, 29);
	clks[clk32k_div] = mxs_clk_fixed_factor("clk32k_div", "ref_xtal", 1, 750);
	clks[rtc] = mxs_clk_fixed_factor("rtc", "ref_xtal", 1, 768);
	clks[lradc] = mxs_clk_fixed_factor("lradc", "clk32k", 1, 16);
	clks[clk32k] = mxs_clk_gate("clk32k", "clk32k_div", XTAL, 26);
	clks[pwm] = mxs_clk_gate("pwm", "ref_xtal", XTAL, 29);
	clks[uart] = mxs_clk_gate("uart", "ref_xtal", XTAL, 31);
	clks[gpmi] = mxs_clk_gate("gpmi", "gpmi_div", GPMI, 31);
	clks[emi] = mxs_clk_gate("emi", "emi_sel", EMI, 31);
	clks[lcdif] = mxs_clk_gate("lcdif", "lcdif_div", LCDIF, 31);
	clks[etm] = mxs_clk_gate("etm", "etm_div", ETM, 31);
	clks[fec_sleep] = mxs_clk_gate("fec_sleep", "hbus", ENET, 31);
	clks[fec] = mxs_clk_gate("fec", "fec_sleep", ENET, 30);
	clks[usb0_phy] = mxs_clk_gate("usb0_phy", "pll0", PLL0CTRL0, 18);
	clks[usb1_phy] = mxs_clk_gate("usb1_phy", "pll1", PLL1CTRL0, 18);
	clks[enet_out] = clk_gate("enet_out", "pll2", ENET, 18, 0, 0);
	clks[lcdif_comp] = mxs_clk_lcdif("lcdif_comp", clks[ref_pix],
			clks[lcdif_div], clks[lcdif]);

	clk_set_rate(clks[ref_io0], 480000000);
	clk_set_rate(clks[ref_io1], 480000000);
	clk_set_parent(clks[ssp0_sel], clks[ref_io0]);
	clk_set_parent(clks[ssp1_sel], clks[ref_io0]);
	clk_set_parent(clks[ssp2_sel], clks[ref_io1]);
	clk_set_parent(clks[ssp3_sel], clks[ref_io1]);
	clk_set_rate(clks[ssp0], 96000000);
	clk_set_rate(clks[ssp1], 96000000);
	clk_set_rate(clks[ssp2], 96000000);
	clk_set_rate(clks[ssp3], 96000000);
	clk_set_parent(clks[lcdif_sel], clks[ref_pix]);
	clk_enable(clks[enet_out]);

	clkdev_add_physbase(clks[ssp0], IMX_SSP0_BASE, NULL);
	clkdev_add_physbase(clks[ssp1], IMX_SSP1_BASE, NULL);
	clkdev_add_physbase(clks[ssp2], IMX_SSP2_BASE, NULL);
	clkdev_add_physbase(clks[ssp3], IMX_SSP3_BASE, NULL);
	clkdev_add_physbase(clks[fec], IMX_FEC0_BASE, NULL);
	clkdev_add_physbase(clks[xbus], IMX_DBGUART_BASE, NULL);
	clkdev_add_physbase(clks[hbus], IMX_OCOTP_BASE, NULL);
	clkdev_add_physbase(clks[uart], IMX_UART0_BASE, NULL);
	clkdev_add_physbase(clks[uart], IMX_UART1_BASE, NULL);
	clkdev_add_physbase(clks[uart], IMX_UART2_BASE, NULL);
	clkdev_add_physbase(clks[uart], IMX_UART3_BASE, NULL);
	clkdev_add_physbase(clks[uart], IMX_UART4_BASE, NULL);
	clkdev_add_physbase(clks[gpmi], MXS_GPMI_BASE, NULL);
	if (IS_ENABLED(CONFIG_DRIVER_VIDEO_STM))
		clkdev_add_physbase(clks[lcdif_comp], IMX_FB_BASE, NULL);

	return 0;
}
コード例 #2
0
ファイル: clk-imx23.c プロジェクト: MinimumLaw/ravion-barebox
int __init mx23_clocks_init(void __iomem *regs)
{
	clks[ref_xtal] = mxs_clk_fixed("ref_xtal", 24000000);
	clks[pll] = mxs_clk_pll("pll", "ref_xtal", PLLCTRL0, 16, 480000000);
	clks[ref_cpu] = mxs_clk_ref("ref_cpu", "pll", FRAC, 0);
	clks[ref_emi] = mxs_clk_ref("ref_emi", "pll", FRAC, 1);
	clks[ref_pix] = mxs_clk_ref("ref_pix", "pll", FRAC, 2);
	clks[ref_io] = mxs_clk_ref("ref_io", "pll", FRAC, 3);
	clks[saif_sel] = mxs_clk_mux("saif_sel", CLKSEQ, 0, 1, sel_pll, ARRAY_SIZE(sel_pll));
	clks[lcdif_sel] = mxs_clk_mux("lcdif_sel", CLKSEQ, 1, 1, sel_pix, ARRAY_SIZE(sel_pix));
	clks[gpmi_sel] = mxs_clk_mux("gpmi_sel", CLKSEQ, 4, 1, sel_io, ARRAY_SIZE(sel_io));
	clks[ssp_sel] = mxs_clk_mux("ssp_sel", CLKSEQ, 5, 1, sel_io, ARRAY_SIZE(sel_io));
	clks[emi_sel] = mxs_clk_mux("emi_sel", CLKSEQ, 6, 1, emi_sels, ARRAY_SIZE(emi_sels));
	clks[cpu] = mxs_clk_mux("cpu", CLKSEQ, 7, 1, cpu_sels, ARRAY_SIZE(cpu_sels));
	clks[etm_sel] = mxs_clk_mux("etm_sel", CLKSEQ, 8, 1, sel_cpu, ARRAY_SIZE(sel_cpu));
	clks[cpu_pll] = mxs_clk_div("cpu_pll", "ref_cpu", CPU, 0, 6, 28);
	clks[cpu_xtal] = mxs_clk_div("cpu_xtal", "ref_xtal", CPU, 16, 10, 29);
	clks[hbus] = mxs_clk_div("hbus", "cpu", HBUS, 0, 5, 29);
	clks[xbus] = mxs_clk_div("xbus", "ref_xtal", XBUS, 0, 10, 31);
	clks[lcdif_div] = mxs_clk_div("lcdif_div", "lcdif_sel", PIX, 0, 12, 29);
	clks[ssp_div] = mxs_clk_div("ssp_div", "ssp_sel", SSP, 0, 9, 29);
	clks[gpmi_div] = mxs_clk_div("gpmi_div", "gpmi_sel", GPMI, 0, 10, 29);
	clks[emi_pll] = mxs_clk_div("emi_pll", "ref_emi", EMI, 0, 6, 28);
	clks[emi_xtal] = mxs_clk_div("emi_xtal", "ref_xtal", EMI, 8, 4, 29);
	clks[etm_div] = mxs_clk_div("etm_div", "etm_sel", ETM, 0, 6, 29);
	clks[saif_div] = mxs_clk_frac("saif_div", "saif_sel", SAIF, 0, 16, 29);
	clks[clk32k_div] = mxs_clk_fixed_factor("clk32k_div", "ref_xtal", 1, 750);
	clks[rtc] = mxs_clk_fixed_factor("rtc", "ref_xtal", 1, 768);
	clks[adc] = mxs_clk_fixed_factor("adc", "clk32k", 1, 16);
	clks[spdif_div] = mxs_clk_fixed_factor("spdif_div", "pll", 1, 4);
	clks[clk32k] = mxs_clk_gate("clk32k", "clk32k_div", XTAL, 26);
	clks[dri] = mxs_clk_gate("dri", "ref_xtal", XTAL, 28);
	clks[pwm] = mxs_clk_gate("pwm", "ref_xtal", XTAL, 29);
	clks[filt] = mxs_clk_gate("filt", "ref_xtal", XTAL, 30);
	clks[uart] = mxs_clk_gate("uart", "ref_xtal", XTAL, 31);
	clks[ssp] = mxs_clk_gate("ssp", "ssp_div", SSP, 31);
	clks[gpmi] = mxs_clk_gate("gpmi", "gpmi_div", GPMI, 31);
	clks[spdif] = mxs_clk_gate("spdif", "spdif_div", SPDIF, 31);
	clks[emi] = mxs_clk_gate("emi", "emi_sel", EMI, 31);
	clks[saif] = mxs_clk_gate("saif", "saif_div", SAIF, 31);
	clks[lcdif] = mxs_clk_gate("lcdif", "lcdif_div", PIX, 31);
	clks[etm] = mxs_clk_gate("etm", "etm_div", ETM, 31);
	clks[lcdif_comp] = mxs_clk_lcdif("lcdif_comp", clks[ref_pix],
			clks[lcdif_div], clks[lcdif]);

	clk_set_rate(clks[ref_io], 480000000);
	clk_set_parent(clks[ssp_sel], clks[ref_io]);
	clk_set_rate(clks[ssp_div], 96000000);
	clk_set_parent(clks[lcdif_sel], clks[ref_pix]);

	clkdev_add_physbase(clks[ssp], IMX_SSP1_BASE, NULL);
	clkdev_add_physbase(clks[ssp], IMX_SSP2_BASE, NULL);
	clkdev_add_physbase(clks[xbus], IMX_DBGUART_BASE, NULL);
	clkdev_add_physbase(clks[hbus], IMX_OCOTP_BASE, NULL);
	clkdev_add_physbase(clks[uart], IMX_UART1_BASE, NULL);
	clkdev_add_physbase(clks[uart], IMX_UART2_BASE, NULL);
	clkdev_add_physbase(clks[gpmi], MXS_GPMI_BASE, NULL);
	if (IS_ENABLED(CONFIG_DRIVER_VIDEO_STM))
		clkdev_add_physbase(clks[lcdif_comp], IMX_FB_BASE, NULL);

	return 0;
}