Re: [PATCH v3 2/3] soc: rockchip: power-domain: Modify power domain driver for rk3368

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Hi zhangqin,

From my datasheet "Rockchip RK3368 TRM V2.0.pdf"
Maybe i'm missing something.


在 2016年01月11日 18:36, zhangqing 写道:
This driver is modified to support RK3368 SoC.

Signed-off-by: zhangqing <zhangqing@xxxxxxxxxxxxxx>
---
  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 <linux/regmap.h>
  #include <linux/mfd/syscon.h>
  #include <dt-bindings/power/rk3288-power.h>
+#include <dt-bindings/power/rk3368-power.h>
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
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