| Message ID | 1566109945-11149-4-git-send-email-Anson.Huang@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [RESEND,V2,1/7] arm64: dts: imx8mn-ddr4-evk: Add i2c1 support | expand |
On 18-08-19, 02:32, Anson Huang wrote: > i.MX8MN has different speed grading definition as below, it has 4 bits > to define speed grading, add support for it. > > SPEED_GRADE[3:0] MHz > 0000 2300 > 0001 2200 > 0010 2100 > 0011 2000 > 0100 1900 > 0101 1800 > 0110 1700 > 0111 1600 > 1000 1500 > 1001 1400 > 1010 1300 > 1011 1200 > 1100 1100 > 1101 1000 > 1110 900 > 1111 800 > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com> > Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com> > --- > No changes. > --- > drivers/cpufreq/imx-cpufreq-dt.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) Applied. Thanks.
diff --git a/drivers/cpufreq/imx-cpufreq-dt.c b/drivers/cpufreq/imx-cpufreq-dt.c index 4f85f31..35db14c 100644 --- a/drivers/cpufreq/imx-cpufreq-dt.c +++ b/drivers/cpufreq/imx-cpufreq-dt.c @@ -16,6 +16,7 @@ #define OCOTP_CFG3_SPEED_GRADE_SHIFT 8 #define OCOTP_CFG3_SPEED_GRADE_MASK (0x3 << 8) +#define IMX8MN_OCOTP_CFG3_SPEED_GRADE_MASK (0xf << 8) #define OCOTP_CFG3_MKT_SEGMENT_SHIFT 6 #define OCOTP_CFG3_MKT_SEGMENT_MASK (0x3 << 6) @@ -34,7 +35,12 @@ static int imx_cpufreq_dt_probe(struct platform_device *pdev) if (ret) return ret; - speed_grade = (cell_value & OCOTP_CFG3_SPEED_GRADE_MASK) >> OCOTP_CFG3_SPEED_GRADE_SHIFT; + if (of_machine_is_compatible("fsl,imx8mn")) + speed_grade = (cell_value & IMX8MN_OCOTP_CFG3_SPEED_GRADE_MASK) + >> OCOTP_CFG3_SPEED_GRADE_SHIFT; + else + speed_grade = (cell_value & OCOTP_CFG3_SPEED_GRADE_MASK) + >> OCOTP_CFG3_SPEED_GRADE_SHIFT; mkt_segment = (cell_value & OCOTP_CFG3_MKT_SEGMENT_MASK) >> OCOTP_CFG3_MKT_SEGMENT_SHIFT; /*
i.MX8MN has different speed grading definition as below, it has 4 bits to define speed grading, add support for it. SPEED_GRADE[3:0] MHz 0000 2300 0001 2200 0010 2100 0011 2000 0100 1900 0101 1800 0110 1700 0111 1600 1000 1500 1001 1400 1010 1300 1011 1200 1100 1100 1101 1000 1110 900 1111 800 Signed-off-by: Anson Huang <Anson.Huang@nxp.com> --- No changes. --- drivers/cpufreq/imx-cpufreq-dt.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)