[PATCH 1/4] ARM i.MX6q: Add descriptors for LVDS clocks
Sean Cross
xobs at kosagi.com
Mon Jul 1 03:15:44 EDT 2013
There are two general-purpose LVDS clocks available on the i.MX6. Add
clock descriptors for both of these clocks, as well as selectors to be
able to generate various external signals.
Signed-off-by: Sean Cross <xobs at kosagi.com>
---
.../devicetree/bindings/clock/imx6q-clock.txt | 4 ++++
arch/arm/mach-imx/clk-imx6q.c | 13 +++++++++++--
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
index 6deb6fd..b2b4acb 100644
--- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
+++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
@@ -208,6 +208,10 @@ clocks and IDs.
pll4_post_div 193
pll5_post_div 194
pll5_video_div 195
+ lvds1_sel 196
+ lvds2_sel 197
+ lvds1 198
+ lvds2 199
Examples:
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 4e3148c..f0c0591 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -204,7 +204,9 @@ 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", };
+static const char *lvds1_sels[] = { "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "pll4_audio", "pll5_video", "pll8_mlb", "enet_ref", "pcie_ref", "sata_ref", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "lvds1", "lvds2", };
+static const char *lvds2_sels[] = { "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "pll4_audio", "pll5_video", "pll8_mlb", "enet_ref", "pcie_ref", "sata_ref", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "dummy", "lvds1", "lvds2", };
enum mx6q_clks {
dummy, ckil, ckih, osc, pll2_pfd0_352m, pll2_pfd1_594m, pll2_pfd2_396m,
@@ -238,7 +240,8 @@ enum mx6q_clks {
pll4_audio, pll5_video, pll8_mlb, pll7_usb_host, pll6_enet, ssi1_ipg,
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, clk_max
+ usbphy2_gate, pll4_post_div, pll5_post_div, pll5_video_div,
+ lvds1_sel, lvds2_sel, lvds1, lvds2, clk_max
};
static struct clk *clk[clk_max];
@@ -360,6 +363,12 @@ int __init mx6q_clocks_init(void)
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);
+ clk[lvds1_sel] = imx_clk_mux("lvds1_sel", base + 0x160, 0, 5, lvds1_sels, ARRAY_SIZE(lvds1_sels));
+ clk[lvds2_sel] = imx_clk_mux("lvds2_sel", base + 0x160, 0, 5, lvds2_sels, ARRAY_SIZE(lvds2_sels));
+
+ clk[lvds1] = imx_clk_gate("lvds1", "dummy", base + 0x160, 10);
+ clk[lvds2] = imx_clk_gate("lvds2", "dummy", base + 0x160, 11);
+
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-ccm");
base = of_iomap(np, 0);
WARN_ON(!base);
--
1.7.9.5
More information about the linux-arm-kernel
mailing list