ARM: imx6q: Add pll4_audio_div to clock tree

There's a pll4_audio_div clock, an extra divider for pll4, missing
in current clock tree, thus add it.

Signed-off-by: Nicolin Chen <b42378@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
index 5a90a724b52069c793b65c8d20899cc304818abd..e8b1baae9ae48eb05e4483300143761a254583f5 100644 (file)
--- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
+++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
@@ -215,6 +215,7 @@ clocks and IDs.
        cko2                    200
        cko                     201
        vdoa                    202
+       pll4_audio_div          203
 
 Examples:
 

diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 9181a241d3a8e543c41a2433b38cbfa6b774de02..913ad85ad62192648c04b9c1d9e4cc8dbd6bbbd4 100644 (file)
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -182,7 +182,7 @@ static const char *periph2_clk2_sels[]      = { "pll3_usb_otg", "pll2_bus", };
 static const char *periph_sels[]       = { "periph_pre", "periph_clk2", };
 static const char *periph2_sels[]      = { "periph2_pre", "periph2_clk2", };
 static const char *axi_sels[]          = { "periph", "pll2_pfd2_396m", "periph", "pll3_pfd1_540m", };
-static const char *audio_sels[]        = { "pll4_post_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
+static const char *audio_sels[]        = { "pll4_audio_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
 static const char *gpu_axi_sels[]      = { "axi", "ahb", };
 static const char *gpu2d_core_sels[]   = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", };
 static const char *gpu3d_core_sels[]   = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
@@ -196,7 +196,7 @@ static const char *ipu2_di0_sels[]  = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di
 static const char *ipu2_di1_sels[]     = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
 static const char *hsi_tx_sels[]       = { "pll3_120m", "pll2_pfd2_396m", };
 static const char *pcie_axi_sels[]     = { "axi", "ahb", };
-static const char *ssi_sels[]          = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_post_div", };
+static const char *ssi_sels[]          = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio_div", };
 static const char *usdhc_sels[]        = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
 static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", };
 static const char *emi_sels[]          = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", };
@@ -205,7 +205,7 @@ static const char *vdo_axi_sels[]   = { "axi", "ahb", };
 static const char *vpu_axi_sels[]      = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", };
 static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div",
                                    "dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
-                                   "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_post_div", };
+                                   "ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio_div", };
 static const char *cko2_sels[] = {
        "mmdc_ch0_axi", "mmdc_ch1_axi", "usdhc4", "usdhc1",
        "gpu2d_axi", "dummy", "ecspi_root", "gpu3d_axi",
@@ -251,7 +251,7 @@ enum mx6q_clks {
        ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5,
        sata_ref, sata_ref_100m, pcie_ref, pcie_ref_125m, enet_ref, usbphy1_gate,
        usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div, eim_slow,
-       spdif, cko2_sel, cko2_podf, cko2, cko, vdoa, clk_max
+       spdif, cko2_sel, cko2_podf, cko2, cko, vdoa, pll4_audio_div, clk_max
 };
 
 static struct clk *clk[clk_max];
@@ -359,6 +359,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
        clk[twd]       = imx_clk_fixed_factor("twd",       "arm",            1, 2);
 
        clk[pll4_post_div] = clk_register_divider_table(NULL, "pll4_post_div", "pll4_audio", CLK_SET_RATE_PARENT, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock);
+       clk[pll4_audio_div] = clk_register_divider(NULL, "pll4_audio_div", "pll4_post_div", CLK_SET_RATE_PARENT, base + 0x170, 15, 1, 0, &imx_ccm_lock);
        clk[pll5_post_div] = clk_register_divider_table(NULL, "pll5_post_div", "pll5_video", CLK_SET_RATE_PARENT, base + 0xa0, 19, 2, 0, post_div_table, &imx_ccm_lock);
        clk[pll5_video_div] = clk_register_divider_table(NULL, "pll5_video_div", "pll5_post_div", CLK_SET_RATE_PARENT, base + 0x170, 30, 2, 0, video_div_table, &imx_ccm_lock);