X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/3d3fc5722ae7243d19741a8b3bf12f79eb831aca..3d00b9bbe1ed2b958c6940b3b16f0f6907f1471c:/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 1b32a8dee..a780706be 100644 --- 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 @@ -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); -