From mboxrd@z Thu Jan 1 00:00:00 1970 From: caesar.upstream@gmail.com (Caesar Wang) Date: Tue, 12 Jan 2016 09:57:31 +0800 Subject: [PATCH v3 2/3] soc: rockchip: power-domain: Modify power domain driver for rk3368 In-Reply-To: <5694BFE4.1070200@rock-chips.com> References: <1452508600-3512-1-git-send-email-zhangqing@rock-chips.com> <1452508600-3512-3-git-send-email-zhangqing@rock-chips.com> <5693ADD1.4000207@gmail.com> <5694BFE4.1070200@rock-chips.com> Message-ID: <56945D8B.9080302@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org ? 2016?01?12? 16:57, zhangqing ??: > hi Caesar Wang > > you need check the datasheet again. > > The rk3368 datasheet: > > PMU_PMU_BUS_IDLE_ST ----->ack_vio[8]----->ack status > ----->idle_vio[24]----->idle status > > PMU_PMU_BUS_IDLE_REQ ---->idle_req_vio[8]----->idle req You are right from the new datasheet. > > On 01/11/2016 05:27 AM, Caesar Wang wrote: >> Hi zhangqin, >> >> From my datasheet "Rockchip RK3368 TRM V2.0.pdf" >> Maybe i'm missing something. >> >> >> ? 2016?01?11? 18:36, zhangqing ??: >>> This driver is modified to support RK3368 SoC. >>> >>> Signed-off-by: zhangqing >>> --- >>> drivers/soc/rockchip/pm_domains.c | 33 >>> +++++++++++++++++++++++++++++++++ >>> 1 file changed, 33 insertions(+) >>> >>> diff --git a/drivers/soc/rockchip/pm_domains.c >>> b/drivers/soc/rockchip/pm_domains.c >>> index 534c589..6cdffb1 100644 >>> --- a/drivers/soc/rockchip/pm_domains.c >>> +++ b/drivers/soc/rockchip/pm_domains.c >>> @@ -18,6 +18,7 @@ >>> #include >>> #include >>> #include >>> +#include >>> struct rockchip_domain_info { >>> int pwr_mask; >>> @@ -75,6 +76,9 @@ struct rockchip_pmu { >>> #define DOMAIN_RK3288(pwr, status, req) \ >>> DOMAIN(pwr, status, req, req, (req) + 16) >>> +#define DOMAIN_RK3368(pwr, status, req) \ >>> + DOMAIN(pwr, status, req, (req) + 16, req) >>> + >> >> You should remove it, that's seem same with the rk3288. >> >> The rk3368 datasheet: >> PMU_PMU_BUS_IDLE_ST ----->idle_vio[24]----->ack >> PMU_PMU_BUS_IDLE_REQ ---->idle_req_vio[8]----->idle >> >>> static bool rockchip_pmu_domain_is_idle(struct rockchip_pm_domain >>> *pd) >>> { >>> struct rockchip_pmu *pmu = pd->pmu; >>> @@ -444,6 +448,14 @@ static const struct rockchip_domain_info >>> rk3288_pm_domains[] = { >>> [RK3288_PD_GPU] = DOMAIN_RK3288(9, 9, 2), >>> }; >>> +static const struct rockchip_domain_info rk3368_pm_domains[] = { >>> + [RK3368_PD_PERI] = DOMAIN_RK3368(13, 12, 6), >>> + [RK3368_PD_VIO] = DOMAIN_RK3368(15, 14, 8), >>> + [RK3368_PD_VIDEO] = DOMAIN_RK3368(14, 13, 7), >>> + [RK3368_PD_GPU_0] = DOMAIN_RK3368(16, 15, 2), >>> + [RK3368_PD_GPU_1] = DOMAIN_RK3368(17, 16, 2), >>> +}; >>> + >>> static const struct rockchip_pmu_info rk3288_pmu = { >>> .pwr_offset = 0x08, >>> .status_offset = 0x0c, >>> @@ -461,11 +473,32 @@ static const struct rockchip_pmu_info rk3288_pmu >>> = { >>> .domain_info = rk3288_pm_domains, >>> }; >>> +static const struct rockchip_pmu_info rk3368_pmu = { >>> + .pwr_offset = 0x0c, >>> + .status_offset = 0x10, >>> + .req_offset = 0x3c, >>> + .idle_offset = 0x40, >>> + .ack_offset = 0x40, >>> + >>> + .core_pwrcnt_offset = 0x48, >>> + .gpu_pwrcnt_offset = 0x50, >>> + >>> + .core_power_transition_time = 24, >>> + .gpu_power_transition_time = 24, >>> + >>> + .num_domains = ARRAY_SIZE(rk3368_pm_domains), >>> + .domain_info = rk3368_pm_domains, >>> +}; >>> + >>> static const struct of_device_id rockchip_pm_domain_dt_match[] = { >>> { >>> .compatible = "rockchip,rk3288-power-controller", >>> .data = (void *)&rk3288_pmu, >>> }, >>> + { >>> + .compatible = "rockchip,rk3368-power-controller", >>> + .data = (void *)&rk3368_pmu, >>> + }, >>> { /* sentinel */ }, >>> }; >>> >>> -- >>> Thanks, >>> Caesar >> >> >> > > > _______________________________________________ > Linux-rockchip mailing list > Linux-rockchip at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-rockchip -- Thanks, Caesar