ARM: clk-imx6q: refine clock tree for SSI

Each SSI has "ssi", "ssi_ipg" clocks, and they share same gate bits.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@freescale.com>

diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index d5bf1e2..013d3cd 100644 (file)
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -108,6 +108,9 @@ static struct clk_div_table video_div_table[] = {
 
 static unsigned int share_count_esai;
 static unsigned int share_count_asrc;
+static unsigned int share_count_ssi1;
+static unsigned int share_count_ssi2;
+static unsigned int share_count_ssi3;
 
 static void __init imx6q_clocks_init(struct device_node *ccm_node)
 {
@@ -392,9 +395,12 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
        clk[IMX6QDL_CLK_SDMA]         = imx_clk_gate2("sdma",          "ahb",               base + 0x7c, 6);
        clk[IMX6QDL_CLK_SPBA]         = imx_clk_gate2("spba",          "ipg",               base + 0x7c, 12);
        clk[IMX6QDL_CLK_SPDIF]        = imx_clk_gate2("spdif",         "spdif_podf",        base + 0x7c, 14);
-       clk[IMX6QDL_CLK_SSI1_IPG]     = imx_clk_gate2("ssi1_ipg",      "ipg",               base + 0x7c, 18);
-       clk[IMX6QDL_CLK_SSI2_IPG]     = imx_clk_gate2("ssi2_ipg",      "ipg",               base + 0x7c, 20);
-       clk[IMX6QDL_CLK_SSI3_IPG]     = imx_clk_gate2("ssi3_ipg",      "ipg",               base + 0x7c, 22);
+       clk[IMX6QDL_CLK_SSI1_IPG]     = imx_clk_gate2_shared("ssi1_ipg",      "ipg",        base + 0x7c, 18, &share_count_ssi1);
+       clk[IMX6QDL_CLK_SSI2_IPG]     = imx_clk_gate2_shared("ssi2_ipg",      "ipg",        base + 0x7c, 20, &share_count_ssi2);
+       clk[IMX6QDL_CLK_SSI3_IPG]     = imx_clk_gate2_shared("ssi3_ipg",      "ipg",        base + 0x7c, 22, &share_count_ssi3);
+       clk[IMX6QDL_CLK_SSI1]         = imx_clk_gate2_shared("ssi1",          "ssi1_podf",  base + 0x7c, 18, &share_count_ssi1);
+       clk[IMX6QDL_CLK_SSI2]         = imx_clk_gate2_shared("ssi2",          "ssi2_podf",  base + 0x7c, 20, &share_count_ssi2);
+       clk[IMX6QDL_CLK_SSI3]         = imx_clk_gate2_shared("ssi3",          "ssi3_podf",  base + 0x7c, 22, &share_count_ssi3);
        clk[IMX6QDL_CLK_UART_IPG]     = imx_clk_gate2("uart_ipg",      "ipg",               base + 0x7c, 24);
        clk[IMX6QDL_CLK_UART_SERIAL]  = imx_clk_gate2("uart_serial",   "uart_serial_podf",  base + 0x7c, 26);
        clk[IMX6QDL_CLK_USBOH3]       = imx_clk_gate2("usboh3",        "ipg",               base + 0x80, 0);