Prior to suspending the system, we need to ensure that certain clock source and gate registers are unmasked.
Signed-off-by: Vikas Sajjan <[email protected]> Signed-off-by: Abhilash Kesavan <[email protected]> --- drivers/clk/samsung/clk-exynos5420.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c index e576456..dd509d1 100644 --- a/drivers/clk/samsung/clk-exynos5420.c +++ b/drivers/clk/samsung/clk-exynos5420.c @@ -28,6 +28,7 @@ #define GATE_BUS_CPU 0x700 #define GATE_SCLK_CPU 0x800 #define CLKOUT_CMU_CPU 0xa00 +#define SRC_MASK_CPERI 0x4300 #define GATE_IP_G2D 0x8800 #define CPLL_LOCK 0x10020 #define DPLL_LOCK 0x10030 @@ -66,6 +67,8 @@ #define SRC_TOP10 0x10280 #define SRC_TOP11 0x10284 #define SRC_TOP12 0x10288 +#define SRC_MASK_TOP0 0x10300 +#define SRC_MASK_TOP1 0x10304 #define SRC_MASK_TOP2 0x10308 #define SRC_MASK_TOP7 0x1031c #define SRC_MASK_DISP10 0x1032c @@ -73,6 +76,7 @@ #define SRC_MASK_FSYS 0x10340 #define SRC_MASK_PERIC0 0x10350 #define SRC_MASK_PERIC1 0x10354 +#define SRC_MASK_ISP 0x10370 #define DIV_TOP0 0x10500 #define DIV_TOP1 0x10504 #define DIV_TOP2 0x10508 @@ -91,6 +95,7 @@ #define DIV2_RATIO0 0x10590 #define DIV4_RATIO 0x105a0 #define GATE_BUS_TOP 0x10700 +#define GATE_BUS_DISP1 0x10728 #define GATE_BUS_GEN 0x1073c #define GATE_BUS_FSYS0 0x10740 #define GATE_BUS_FSYS2 0x10748 @@ -115,6 +120,7 @@ #define GATE_TOP_SCLK_MAU 0x1083c #define GATE_TOP_SCLK_FSYS 0x10840 #define GATE_TOP_SCLK_PERIC 0x10850 +#define GATE_IP_PERIC 0x10950 #define TOP_SPARE2 0x10b08 #define BPLL_LOCK 0x20010 #define BPLL_CON0 0x20110 @@ -222,11 +228,30 @@ static unsigned long exynos5420_clk_regs[] __initdata = { DIV_KFC0, }; +static const struct samsung_clk_reg_dump exynos5420_set_clksrc[] = { + { .offset = SRC_MASK_CPERI, .value = 0xffffffff, }, + { .offset = SRC_MASK_TOP0, .value = 0x11111111, }, + { .offset = SRC_MASK_TOP1, .value = 0x11101111, }, + { .offset = SRC_MASK_TOP2, .value = 0x11111110, }, + { .offset = SRC_MASK_TOP7, .value = 0x00111100, }, + { .offset = SRC_MASK_DISP10, .value = 0x11111110, }, + { .offset = SRC_MASK_MAU, .value = 0x10000000, }, + { .offset = SRC_MASK_FSYS, .value = 0x11111110, }, + { .offset = SRC_MASK_PERIC0, .value = 0x11111110, }, + { .offset = SRC_MASK_PERIC1, .value = 0x11111100, }, + { .offset = SRC_MASK_ISP, .value = 0x11111000, }, + { .offset = GATE_BUS_DISP1, .value = 0xffffffff, }, + { .offset = GATE_IP_PERIC, .value = 0xffffffff, }, +}; + static int exynos5420_clk_suspend(void) { samsung_clk_save(reg_base, exynos5420_save, ARRAY_SIZE(exynos5420_clk_regs)); + samsung_clk_restore(reg_base, exynos5420_set_clksrc, + ARRAY_SIZE(exynos5420_set_clksrc)); + return 0; } -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
