[PATCH 6/7] ARM: i.MX6: Add PCI clocks
Sascha Hauer
s.hauer at pengutronix.de
Mon Mar 16 23:38:50 PDT 2015
Needed for pcie support.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
arch/arm/mach-imx/clk-imx6.c | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/mach-imx/clk-imx6.c b/arch/arm/mach-imx/clk-imx6.c
index dccf0a8..2d46447 100644
--- a/arch/arm/mach-imx/clk-imx6.c
+++ b/arch/arm/mach-imx/clk-imx6.c
@@ -196,6 +196,26 @@ static const char *ipu2_di1_sels[] = {
"ldb_di1_podf",
};
+static const char *lvds_sels[] = {
+ "dummy",
+ "dummy",
+ "dummy",
+ "dummy",
+ "dummy",
+ "dummy",
+ "pll4_audio",
+ "pll5_video",
+ "pll8_mlb",
+ "enet_ref",
+ "pcie_ref_125m",
+ "sata_ref_100m",
+};
+
+static const char *pcie_axi_sels[] = {
+ "axi",
+ "ahb",
+};
+
static struct clk_div_table clk_enet_ref_table[] = {
{ .val = 0, .div = 20, },
{ .val = 1, .div = 10, },
@@ -306,6 +326,12 @@ static int imx6_ccm_probe(struct device_d *dev)
clks[IMX6QDL_CLK_ENET_REF] = imx_clk_divider_table("enet_ref", "pll6_enet", base + 0xe0, 0, 2, clk_enet_ref_table);
+ clks[IMX6QDL_CLK_LVDS1_SEL] = imx_clk_mux("lvds1_sel", base + 0x160, 0, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
+ clks[IMX6QDL_CLK_LVDS2_SEL] = imx_clk_mux("lvds2_sel", base + 0x160, 5, 5, lvds_sels, ARRAY_SIZE(lvds_sels));
+
+ clks[IMX6QDL_CLK_LVDS1_GATE] = imx_clk_gate_exclusive("lvds1_gate", "lvds1_sel", base + 0x160, 10, BIT(12));
+ clks[IMX6QDL_CLK_LVDS2_GATE] = imx_clk_gate_exclusive("lvds2_gate", "lvds2_sel", base + 0x160, 11, BIT(13));
+
/* name parent_name reg idx */
clks[IMX6QDL_CLK_PLL2_PFD0_352M] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0);
clks[IMX6QDL_CLK_PLL2_PFD1_594M] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1);
@@ -341,6 +367,7 @@ static int imx6_ccm_probe(struct device_d *dev)
clks[IMX6QDL_CLK_EIM_SLOW_SEL] = imx_clk_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_sels, ARRAY_SIZE(eim_sels));
clks[IMX6QDL_CLK_VDO_AXI_SEL] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels));
clks[IMX6QDL_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels));
+ clks[IMX6QDL_CLK_PCIE_AXI_SEL] = imx_clk_mux("pcie_axi_sel", base + 0x18, 10, 1, pcie_axi_sels, ARRAY_SIZE(pcie_axi_sels));
/* name reg shift width busy: reg, shift parent_names num_parents */
clks[IMX6QDL_CLK_PERIPH] = imx_clk_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels));
@@ -433,6 +460,8 @@ static int imx6_ccm_probe(struct device_d *dev)
clk_enable(clks[IMX6QDL_CLK_SATA_REF_100M]);
clk_enable(clks[IMX6QDL_CLK_ENFC_PODF]);
+ clk_set_parent(clks[IMX6QDL_CLK_LVDS1_SEL], clks[IMX6QDL_CLK_SATA_REF_100M]);
+
return 0;
}
--
2.1.4
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