diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq-dt-platdev.c | 1 | ||||
| -rw-r--r-- | drivers/cpufreq/sun50i-cpufreq-nvmem.c | 28 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c index 18942bfe9c95..2a3e8bd317c9 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -103,6 +103,7 @@ static const struct of_device_id allowlist[] __initconst = { * platforms using "operating-points-v2" property. */ static const struct of_device_id blocklist[] __initconst = { + { .compatible = "allwinner,sun50i-a100" }, { .compatible = "allwinner,sun50i-h6", }, { .compatible = "allwinner,sun50i-h616", }, { .compatible = "allwinner,sun50i-h618", }, diff --git a/drivers/cpufreq/sun50i-cpufreq-nvmem.c b/drivers/cpufreq/sun50i-cpufreq-nvmem.c index 293921acec93..3a29c026d364 100644 --- a/drivers/cpufreq/sun50i-cpufreq-nvmem.c +++ b/drivers/cpufreq/sun50i-cpufreq-nvmem.c @@ -22,6 +22,9 @@ #define NVMEM_MASK 0x7 #define NVMEM_SHIFT 5 +#define SUN50I_A100_NVMEM_MASK 0xf +#define SUN50I_A100_NVMEM_SHIFT 12 + static struct platform_device *cpufreq_dt_pdev, *sun50i_cpufreq_pdev; struct sunxi_cpufreq_data { @@ -45,6 +48,23 @@ static u32 sun50i_h6_efuse_xlate(u32 speedbin) return 0; } +static u32 sun50i_a100_efuse_xlate(u32 speedbin) +{ + u32 efuse_value; + + efuse_value = (speedbin >> SUN50I_A100_NVMEM_SHIFT) & + SUN50I_A100_NVMEM_MASK; + + switch (efuse_value) { + case 0b100: + return 2; + case 0b010: + return 1; + default: + return 0; + } +} + static int get_soc_id_revision(void) { #ifdef CONFIG_HAVE_ARM_SMCCC_DISCOVERY @@ -108,6 +128,10 @@ static struct sunxi_cpufreq_data sun50i_h6_cpufreq_data = { .efuse_xlate = sun50i_h6_efuse_xlate, }; +static struct sunxi_cpufreq_data sun50i_a100_cpufreq_data = { + .efuse_xlate = sun50i_a100_efuse_xlate, +}; + static struct sunxi_cpufreq_data sun50i_h616_cpufreq_data = { .efuse_xlate = sun50i_h616_efuse_xlate, }; @@ -116,6 +140,9 @@ static const struct of_device_id cpu_opp_match_list[] = { { .compatible = "allwinner,sun50i-h6-operating-points", .data = &sun50i_h6_cpufreq_data, }, + { .compatible = "allwinner,sun50i-a100-operating-points", + .data = &sun50i_a100_cpufreq_data, + }, { .compatible = "allwinner,sun50i-h616-operating-points", .data = &sun50i_h616_cpufreq_data, }, @@ -291,6 +318,7 @@ static struct platform_driver sun50i_cpufreq_driver = { static const struct of_device_id sun50i_cpufreq_match_list[] = { { .compatible = "allwinner,sun50i-h6" }, + { .compatible = "allwinner,sun50i-a100" }, { .compatible = "allwinner,sun50i-h616" }, { .compatible = "allwinner,sun50i-h618" }, { .compatible = "allwinner,sun50i-h700" }, |