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soc: rockchip: opp_select: Implement rockchip_set_opp_supported_hw()

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This implements new APIs to get soc info and set opp hardware info.

Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Change-Id: I167a37f661ce6fc8b32afc7768985fe23e35318c
This commit is contained in:
Finley Xiao
2023-06-21 20:09:04 +08:00
parent b39462754a
commit bd3aeda3e5
1 changed files with 61 additions and 0 deletions
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61
drivers/soc/rockchip/rockchip_opp_select.c
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@@ -1301,6 +1301,65 @@ static int rockchip_get_volt_rm_table(struct device *dev, struct device_node *np
return 0;
}
static int rockchip_get_soc_info(struct device *dev, struct device_node *np,
int *bin, int *process)
{
u8 value = 0;
int ret = 0;
if (*bin >= 0 || *process >= 0)
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;
}
/* M */
if (value == 0xd)
*bin = 1;
/* J */
else if (value == 0xa)
*bin = 2;
}
if (*bin < 0)
*bin = 0;
dev_info(dev, "bin=%d\n", *bin);
return 0;
}
static int rockchip_set_opp_supported_hw(struct device *dev,
struct device_node *np,
struct rockchip_opp_info *info)
{
u32 version = 0, speed = 0;
if (!of_property_read_bool(np, "rockchip,supported-hw"))
return 0;
if (info->supported_hw[0] || info->supported_hw[1])
return 0;
if (info->bin >= 0)
version = info->bin;
if (info->volt_sel >= 0)
speed = info->volt_sel;
/* SoC Version */
info->supported_hw[0] = BIT(version);
/* Speed Grade */
info->supported_hw[1] = BIT(speed);
dev_info(dev, "soc version=%d, speed=%d\n", version, speed);
return 0;
}
static void rockchip_get_scale_volt_sel(struct device *dev, char *lkg_name,
const char *reg_name,
struct rockchip_opp_info *info)
@@ -1476,11 +1535,13 @@ int rockchip_init_opp_info(struct device *dev, struct rockchip_opp_info *info,
if (info->data && info->data->get_soc_info)
info->data->get_soc_info(dev, np, &info->bin, &info->process);
rockchip_get_soc_info(dev, np, &info->bin, &info->process);
rockchip_get_scale_volt_sel(dev, "leakage", reg_name, info);
if (info && info->data && info->data->set_soc_info)
info->data->set_soc_info(dev, np, info);
rockchip_set_opp_supported_hw(dev, np, info);
ret = rockchip_opp_set_config(dev, info, clk_name, reg_name);