diff options
Diffstat (limited to 'drivers/clk/mmp/clk-of-mmp2.c')
| -rw-r--r-- | drivers/clk/mmp/clk-of-mmp2.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index c686c16fca82..67208aea94c5 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -17,8 +17,10 @@ #include <linux/delay.h> #include <linux/err.h> #include <linux/of_address.h> +#include <linux/clk.h> #include <dt-bindings/clock/marvell,mmp2.h> +#include <dt-bindings/power/marvell,mmp2.h> #include "clk.h" #include "reset.h" @@ -63,6 +65,7 @@ #define APMU_USBHSIC1 0xfc #define APMU_GPU 0xcc #define APMU_AUDIO 0x10c +#define APMU_CAMERA 0x1fc #define MPMU_FCCR 0x8 #define MPMU_POSR 0x10 @@ -86,6 +89,8 @@ enum mmp2_clk_model { struct mmp2_clk_unit { struct mmp_clk_unit unit; enum mmp2_clk_model model; + struct genpd_onecell_data pd_data; + struct generic_pm_domain *pm_domains[MMP2_NR_POWER_DOMAINS]; void __iomem *mpmu_base; void __iomem *apmu_base; void __iomem *apbc_base; @@ -473,6 +478,41 @@ static void mmp2_clk_reset_init(struct device_node *np, mmp_clk_reset_register(np, cells, nr_resets); } +static void mmp2_pm_domain_init(struct device_node *np, + struct mmp2_clk_unit *pxa_unit) +{ + if (pxa_unit->model == CLK_MODEL_MMP3) { + pxa_unit->pm_domains[MMP2_POWER_DOMAIN_GPU] + = mmp_pm_domain_register("gpu", + pxa_unit->apmu_base + APMU_GPU, + 0x0600, 0x40003, 0x18000c, 0, &gpu_lock); + } else { + pxa_unit->pm_domains[MMP2_POWER_DOMAIN_GPU] + = mmp_pm_domain_register("gpu", + pxa_unit->apmu_base + APMU_GPU, + 0x8600, 0x00003, 0x00000c, + MMP_PM_DOMAIN_NO_DISABLE, &gpu_lock); + } + pxa_unit->pd_data.num_domains++; + + pxa_unit->pm_domains[MMP2_POWER_DOMAIN_AUDIO] + = mmp_pm_domain_register("audio", + pxa_unit->apmu_base + APMU_AUDIO, + 0x600, 0x2, 0, 0, &audio_lock); + pxa_unit->pd_data.num_domains++; + + if (pxa_unit->model == CLK_MODEL_MMP3) { + pxa_unit->pm_domains[MMP3_POWER_DOMAIN_CAMERA] + = mmp_pm_domain_register("camera", + pxa_unit->apmu_base + APMU_CAMERA, + 0x600, 0, 0, 0, NULL); + pxa_unit->pd_data.num_domains++; + } + + pxa_unit->pd_data.domains = pxa_unit->pm_domains; + of_genpd_add_provider_onecell(np, &pxa_unit->pd_data); +} + static void __init mmp2_clk_init(struct device_node *np) { struct mmp2_clk_unit *pxa_unit; @@ -504,6 +544,8 @@ static void __init mmp2_clk_init(struct device_node *np) goto unmap_apmu_region; } + mmp2_pm_domain_init(np, pxa_unit); + mmp_clk_init(np, &pxa_unit->unit, MMP2_NR_CLKS); mmp2_main_clk_init(pxa_unit); |