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driver: rknpu: Implement set_soc_info and set_soc_info for rk3588

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Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Change-Id: I8cfe13ffded798363388153bfbf305f6fc9f9f33
This commit is contained in:
Finley Xiao
2022-12-05 17:13:44 +08:00
committed by Tao Huang
parent b1bae8a36b
commit 63e89b6e63
1 changed files with 62 additions and 0 deletions
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62
drivers/rknpu/rknpu_drv.c
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@@ -1107,6 +1107,66 @@ static struct devfreq_cooling_power npu_cooling_power = {
};
#if KERNEL_VERSION(5, 10, 0) <= LINUX_VERSION_CODE
static int rk3588_npu_get_soc_info(struct device *dev, struct device_node *np,
int *bin, int *process)
{
int ret = 0;
u8 value = 0;
if (!bin)
return 0;
if (of_property_match_string(np, "nvmem-cell-names",
"specification_serial_number") >= 0) {
ret = rockchip_nvmem_cell_read_u8(np,
"specification_serial_number",
&value);
if (ret) {
dev_err(dev,
"Failed to get specification_serial_number\n");
return ret;
}
/* RK3588M */
if (value == 0xd)
*bin = 1;
/* RK3588J */
else if (value == 0xa)
*bin = 2;
}
if (*bin < 0)
*bin = 0;
dev_info(dev, "bin=%d\n", *bin);
return ret;
}
static int rk3588_npu_set_soc_info(struct device *dev, struct device_node *np,
int bin, int process, int volt_sel)
{
struct opp_table *opp_table;
u32 supported_hw[2];
if (volt_sel < 0)
return 0;
if (bin < 0)
bin = 0;
if (!of_property_read_bool(np, "rockchip,supported-hw"))
return 0;
/* SoC Version */
supported_hw[0] = BIT(bin);
/* Speed Grade */
supported_hw[1] = BIT(volt_sel);
opp_table = dev_pm_opp_set_supported_hw(dev, supported_hw, 2);
if (IS_ERR(opp_table)) {
dev_err(dev, "failed to set supported opp\n");
return PTR_ERR(opp_table);
}
return 0;
}
static int rk3588_npu_set_read_margin(struct device *dev,
struct rockchip_opp_info *opp_info,
u32 rm)
@@ -1139,6 +1199,8 @@ static int rk3588_npu_set_read_margin(struct device *dev,
}
static const struct rockchip_opp_data rk3588_npu_opp_data = {
.get_soc_info = rk3588_npu_get_soc_info,
.set_soc_info = rk3588_npu_set_soc_info,
.set_read_margin = rk3588_npu_set_read_margin,
};