[xbrust] Fix gpio and irq wakeup irq handling.

[openwrt/svn-archive/archive.git] / target / linux / xburst / files-2.6.32 / arch / mips / jz4740 / clock.c

diff --git a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/clock.c b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/clock.c
index 1145921bacfd35a5dfd22cb638222e5464fd4fb1..a780706befb33612425414532fb407bdc5fad7f3 100644 (file)
--- a/target/linux/xburst/files-2.6.32/arch/mips/jz4740/clock.c
+++ b/target/linux/xburst/files-2.6.32/arch/mips/jz4740/clock.c
@@ -27,9 +27,9 @@
 
 #define JZ_REG_CLOCK_CTRL      0x00
 #define JZ_REG_CLOCK_LOW_POWER 0x04
-#define JZ_REG_CLOCK_SLEEP_CTRL        0x08
 #define JZ_REG_CLOCK_PLL       0x10
 #define JZ_REG_CLOCK_GATE      0x20
+#define JZ_REG_CLOCK_SLEEP_CTRL        0x24
 #define JZ_REG_CLOCK_I2S       0x60
 #define JZ_REG_CLOCK_LCD       0x64
 #define JZ_REG_CLOCK_MMC       0x68
@@ -55,8 +55,8 @@
 #define JZ_CLOCK_GATE_RTC      BIT(2)
 #define JZ_CLOCK_GATE_I2C      BIT(3)
 #define JZ_CLOCK_GATE_SPI      BIT(4)
-#define JZ_CLOCK_GATE_AIC_PCLK BIT(5)
-#define JZ_CLOCK_GATE_AIC      BIT(6)
+#define JZ_CLOCK_GATE_AIC      BIT(5)
+#define JZ_CLOCK_GATE_I2S      BIT(6)
 #define JZ_CLOCK_GATE_MMC      BIT(7)
 #define JZ_CLOCK_GATE_ADC      BIT(8)
 #define JZ_CLOCK_GATE_CIM      BIT(9)
@@ -158,7 +158,7 @@ static int jz_clk_enable_gating(struct clk *clk)
 {
        if (clk->gate_bit == JZ4740_CLK_NOT_GATED)
                return -EINVAL;
-       
+
        jz_clk_reg_clear_bits(JZ_REG_CLOCK_GATE, clk->gate_bit);
        return 0;
 }
@@ -626,7 +626,7 @@ static struct divided_clk jz4740_clock_divided_clks[] = {
                .clk = {
                        .name = "i2s",
                        .parent = &jz_clk_ext.clk,
-                       .gate_bit = JZ_CLOCK_GATE_AIC,
+                       .gate_bit = JZ_CLOCK_GATE_I2S,
                        .ops = &jz_clk_i2s_ops,
                },
                .reg = JZ_REG_CLOCK_I2S,
@@ -721,6 +721,12 @@ static struct clk jz4740_clock_simple_clks[] = {
                .gate_bit = JZ_CLOCK_GATE_I2C,
                .ops = &jz_clk_simple_ops,
        },
+       {
+               .name = "aic",
+               .parent = &jz_clk_ext.clk,
+               .gate_bit = JZ_CLOCK_GATE_AIC,
+               .ops = &jz_clk_simple_ops,
+       },
 };
 
 static struct static_clk jz_clk_rtc = {
@@ -873,7 +879,24 @@ void jz4740_clock_udc_enable_auto_suspend(void)
 }
 EXPORT_SYMBOL_GPL(jz4740_clock_udc_enable_auto_suspend);
 
-int jz_init_clocks(unsigned long ext_rate)
+void jz4740_clock_suspend(void)
+{
+       jz_clk_reg_set_bits(JZ_REG_CLOCK_GATE,
+               JZ_CLOCK_GATE_TCU | JZ_CLOCK_GATE_DMAC | JZ_CLOCK_GATE_UART0);
+
+       jz_clk_reg_clear_bits(JZ_REG_CLOCK_PLL, JZ_CLOCK_PLL_ENABLED);
+}
+
+void jz4740_clock_resume(void)
+{
+       jz_clk_reg_set_bits(JZ_REG_CLOCK_PLL, JZ_CLOCK_PLL_ENABLED);
+       while ((jz_clk_reg_read(JZ_REG_CLOCK_PLL) & JZ_CLOCK_PLL_STABLE) == 0);
+
+       jz_clk_reg_clear_bits(JZ_REG_CLOCK_GATE,
+               JZ_CLOCK_GATE_TCU | JZ_CLOCK_GATE_DMAC | JZ_CLOCK_GATE_UART0);
+}
+
+int jz4740_clock_init(void)
 {
        uint32_t val;
 
@@ -883,7 +906,8 @@ int jz_init_clocks(unsigned long ext_rate)
 
        spin_lock_init(&jz_clock_lock);
 
-       jz_clk_ext.rate = ext_rate;
+       jz_clk_ext.rate = jz4740_clock_bdata.ext_rate;
+       jz_clk_rtc.rate = jz4740_clock_bdata.rtc_rate;
 
        val = jz_clk_reg_read(JZ_REG_CLOCK_SPI);
 
@@ -904,5 +928,3 @@ int jz_init_clocks(unsigned long ext_rate)
 
        return 0;
 }
-EXPORT_SYMBOL_GPL(jz_init_clocks);
-