diff options
Diffstat (limited to 'arch/arm/mach-exynos')
| -rw-r--r-- | arch/arm/mach-exynos/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/clock-exynos5.c | 86 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/common.c | 26 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/include/mach/map.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-exynos/mach-exynos5-dt.c | 8 |
5 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 6c3299ebbfc5..412884dafa6c 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -405,6 +405,8 @@ config MACH_EXYNOS4_DT select USE_OF select ARM_AMBA select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD + select PINCTRL + select PINCTRL_EXYNOS4 help Machine support for Samsung Exynos4 machine with device tree enabled. Select this if a fdt blob is available for the Exynos4 SoC based board. diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c index 618d0aaaa599..f3171c3f3d94 100644 --- a/arch/arm/mach-exynos/clock-exynos5.c +++ b/arch/arm/mach-exynos/clock-exynos5.c @@ -547,6 +547,68 @@ static struct clksrc_clk exynos5_clk_aclk_66 = { .reg_div = { .reg = EXYNOS5_CLKDIV_TOP0, .shift = 0, .size = 3 }, }; +static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl_mid = { + .clk = { + .name = "mout_aclk_300_gscl_mid", + }, + .sources = &exynos5_clkset_aclk, + .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 24, .size = 1 }, +}; + +static struct clk *exynos5_clkset_aclk_300_mid1_list[] = { + [0] = &exynos5_clk_sclk_vpll.clk, + [1] = &exynos5_clk_mout_cpll.clk, +}; + +static struct clksrc_sources exynos5_clkset_aclk_300_gscl_mid1 = { + .sources = exynos5_clkset_aclk_300_mid1_list, + .nr_sources = ARRAY_SIZE(exynos5_clkset_aclk_300_mid1_list), +}; + +static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl_mid1 = { + .clk = { + .name = "mout_aclk_300_gscl_mid1", + }, + .sources = &exynos5_clkset_aclk_300_gscl_mid1, + .reg_src = { .reg = EXYNOS5_CLKSRC_TOP1, .shift = 12, .size = 1 }, +}; + +static struct clk *exynos5_clkset_aclk_300_gscl_list[] = { + [0] = &exynos5_clk_mout_aclk_300_gscl_mid.clk, + [1] = &exynos5_clk_mout_aclk_300_gscl_mid1.clk, +}; + +static struct clksrc_sources exynos5_clkset_aclk_300_gscl = { + .sources = exynos5_clkset_aclk_300_gscl_list, + .nr_sources = ARRAY_SIZE(exynos5_clkset_aclk_300_gscl_list), +}; + +static struct clksrc_clk exynos5_clk_mout_aclk_300_gscl = { + .clk = { + .name = "mout_aclk_300_gscl", + }, + .sources = &exynos5_clkset_aclk_300_gscl, + .reg_src = { .reg = EXYNOS5_CLKSRC_TOP0, .shift = 25, .size = 1 }, +}; + +static struct clk *exynos5_clk_src_gscl_300_list[] = { + [0] = &clk_ext_xtal_mux, + [1] = &exynos5_clk_mout_aclk_300_gscl.clk, +}; + +static struct clksrc_sources exynos5_clk_src_gscl_300 = { + .sources = exynos5_clk_src_gscl_300_list, + .nr_sources = ARRAY_SIZE(exynos5_clk_src_gscl_300_list), +}; + +static struct clksrc_clk exynos5_clk_aclk_300_gscl = { + .clk = { + .name = "aclk_300_gscl", + }, + .sources = &exynos5_clk_src_gscl_300, + .reg_src = { .reg = EXYNOS5_CLKSRC_TOP3, .shift = 10, .size = 1 }, +}; + static struct clk exynos5_init_clocks_off[] = { { .name = "timers", @@ -755,6 +817,26 @@ static struct clk exynos5_init_clocks_off[] = { .enable = exynos5_clk_ip_peric_ctrl, .ctrlbit = (1 << 18), }, { + .name = "gscl", + .devname = "exynos-gsc.0", + .enable = exynos5_clk_ip_gscl_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "gscl", + .devname = "exynos-gsc.1", + .enable = exynos5_clk_ip_gscl_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "gscl", + .devname = "exynos-gsc.2", + .enable = exynos5_clk_ip_gscl_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "gscl", + .devname = "exynos-gsc.3", + .enable = exynos5_clk_ip_gscl_ctrl, + .ctrlbit = (1 << 3), + }, { .name = SYSMMU_CLOCK_NAME, .devname = SYSMMU_CLOCK_DEVNAME(mfc_l, 0), .enable = &exynos5_clk_ip_mfc_ctrl, @@ -1225,6 +1307,10 @@ static struct clksrc_clk *exynos5_sysclks[] = { &exynos5_clk_aclk_266, &exynos5_clk_aclk_200, &exynos5_clk_aclk_166, + &exynos5_clk_aclk_300_gscl, + &exynos5_clk_mout_aclk_300_gscl, + &exynos5_clk_mout_aclk_300_gscl_mid, + &exynos5_clk_mout_aclk_300_gscl_mid1, &exynos5_clk_aclk_66_pre, &exynos5_clk_aclk_66, &exynos5_clk_dout_mmc0, diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index 4eb39cdf75ea..715b690e5009 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -980,6 +980,32 @@ static int __init exynos_init_irq_eint(void) { int irq; +#ifdef CONFIG_PINCTRL_SAMSUNG + /* + * The Samsung pinctrl driver provides an integrated gpio/pinmux/pinconf + * functionality along with support for external gpio and wakeup + * interrupts. If the samsung pinctrl driver is enabled and includes + * the wakeup interrupt support, then the setting up external wakeup + * interrupts here can be skipped. This check here is temporary to + * allow exynos4 platforms that do not use Samsung pinctrl driver to + * co-exist with platforms that do. When all of the Samsung Exynos4 + * platforms switch over to using the pinctrl driver, the wakeup + * interrupt support code here can be completely removed. + */ + struct device_node *pctrl_np, *wkup_np; + const char *pctrl_compat = "samsung,pinctrl-exynos4210"; + const char *wkup_compat = "samsung,exynos4210-wakeup-eint"; + + for_each_compatible_node(pctrl_np, NULL, pctrl_compat) { + if (of_device_is_available(pctrl_np)) { + wkup_np = of_find_compatible_node(pctrl_np, NULL, + wkup_compat); + if (wkup_np) + return -ENODEV; + } + } +#endif + if (soc_is_exynos5250()) exynos_eint_base = ioremap(EXYNOS5_PA_GPIO1, SZ_4K); else diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index 6d33f50c2e56..5aa77f996e59 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -121,6 +121,11 @@ #define EXYNOS4_PA_SYSMMU_MFC_L 0x13620000 #define EXYNOS4_PA_SYSMMU_MFC_R 0x13630000 +#define EXYNOS5_PA_GSC0 0x13E00000 +#define EXYNOS5_PA_GSC1 0x13E10000 +#define EXYNOS5_PA_GSC2 0x13E20000 +#define EXYNOS5_PA_GSC3 0x13E30000 + #define EXYNOS5_PA_SYSMMU_MDMA1 0x10A40000 #define EXYNOS5_PA_SYSMMU_SSS 0x10A50000 #define EXYNOS5_PA_SYSMMU_2D 0x10A60000 diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c index ef770bc2318f..e707eb1b1eab 100644 --- a/arch/arm/mach-exynos/mach-exynos5-dt.c +++ b/arch/arm/mach-exynos/mach-exynos5-dt.c @@ -56,6 +56,14 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = { OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL), OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL), + OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC0, + "exynos-gsc.0", NULL), + OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC1, + "exynos-gsc.1", NULL), + OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC2, + "exynos-gsc.2", NULL), + OF_DEV_AUXDATA("samsung,exynos5-gsc", EXYNOS5_PA_GSC3, + "exynos-gsc.3", NULL), {}, }; |