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SubjectRe: [PATCH 1/8] devfreq: rockchip-dfi: Move GRF definitions to a common place.
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Hi,

On 01/08/18 10:36, Chanwoo Choi wrote:
> Hi Enric,
>
> On 2018년 07월 30일 17:11, Enric Balletbo i Serra wrote:
>> Some rk3399 GRF (Generic Register Files) definitions can be used for
>> different drivers. Move these definitions to a common include so we
>> don't need to duplicate these definitions.
>>
>> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
>> ---
>>
>> Changes in v1:
>> - [RFC 1/10] Add Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
>
> Even if you add the changes log, you are missing my Acked-by tag.
>

Ops, right, sorry about that. I'll fix in next version.

>> - [RFC 1/10] s/Generic/General/ (Robin Murphy)
>> - [RFC 4/10] Removed from the series. I did not found a use case where not holding the mutex causes the issue.
>> - [RFC 7/10] Removed from the series. I did not found a use case where this matters.
>>
>> drivers/devfreq/event/rockchip-dfi.c | 23 +++++++----------------
>> include/soc/rockchip/rk3399_grf.h | 21 +++++++++++++++++++++
>> 2 files changed, 28 insertions(+), 16 deletions(-)
>> create mode 100644 include/soc/rockchip/rk3399_grf.h
>>
>> diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
>> index 22b113363ffc..2fbbcbeb644f 100644
>> --- a/drivers/devfreq/event/rockchip-dfi.c
>> +++ b/drivers/devfreq/event/rockchip-dfi.c
>> @@ -26,6 +26,8 @@
>> #include <linux/list.h>
>> #include <linux/of.h>
>>
>> +#include <soc/rockchip/rk3399_grf.h>
>> +
>> #define RK3399_DMC_NUM_CH 2
>>
>> /* DDRMON_CTRL */
>> @@ -43,18 +45,6 @@
>> #define DDRMON_CH1_COUNT_NUM 0x3c
>> #define DDRMON_CH1_DFI_ACCESS_NUM 0x40
>>
>> -/* pmu grf */
>> -#define PMUGRF_OS_REG2 0x308
>> -#define DDRTYPE_SHIFT 13
>> -#define DDRTYPE_MASK 7
>> -
>> -enum {
>> - DDR3 = 3,
>> - LPDDR3 = 6,
>> - LPDDR4 = 7,
>> - UNUSED = 0xFF
>> -};
>> -
>> struct dmc_usage {
>> u32 access;
>> u32 total;
>> @@ -83,16 +73,17 @@ static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
>> u32 ddr_type;
>>
>> /* get ddr type */
>> - regmap_read(info->regmap_pmu, PMUGRF_OS_REG2, &val);
>> - ddr_type = (val >> DDRTYPE_SHIFT) & DDRTYPE_MASK;
>> + regmap_read(info->regmap_pmu, RK3399_PMUGRF_OS_REG2, &val);
>> + ddr_type = (val >> RK3399_PMUGRF_DDRTYPE_SHIFT) &
>> + RK3399_PMUGRF_DDRTYPE_MASK;
>>
>> /* clear DDRMON_CTRL setting */
>> writel_relaxed(CLR_DDRMON_CTRL, dfi_regs + DDRMON_CTRL);
>>
>> /* set ddr type to dfi */
>> - if (ddr_type == LPDDR3)
>> + if (ddr_type == RK3399_PMUGRF_DDRTYPE_LPDDR3)
>> writel_relaxed(LPDDR3_EN, dfi_regs + DDRMON_CTRL);
>> - else if (ddr_type == LPDDR4)
>> + else if (ddr_type == RK3399_PMUGRF_DDRTYPE_LPDDR4)
>> writel_relaxed(LPDDR4_EN, dfi_regs + DDRMON_CTRL);
>>
>> /* enable count, use software mode */
>> diff --git a/include/soc/rockchip/rk3399_grf.h b/include/soc/rockchip/rk3399_grf.h
>> new file mode 100644
>> index 000000000000..3eebabcb2812
>> --- /dev/null
>> +++ b/include/soc/rockchip/rk3399_grf.h
>> @@ -0,0 +1,21 @@
>> +/* SPDX-License-Identifier: GPL-2.0+ */
>> +/*
>> + * Rockchip General Register Files definitions
>> + *
>> + * Copyright (c) 2018, Collabora Ltd.
>> + * Author: Enric Balletbo i Serra <enric.balletbo@collabora.com>
>> + */
>> +
>> +#ifndef __SOC_RK3399_GRF_H
>> +#define __SOC_RK3399_GRF_H
>> +
>> +/* PMU GRF Registers */
>> +#define RK3399_PMUGRF_OS_REG2 0x308
>> +#define RK3399_PMUGRF_DDRTYPE_SHIFT 13
>> +#define RK3399_PMUGRF_DDRTYPE_MASK 7
>> +#define RK3399_PMUGRF_DDRTYPE_DDR3 3
>> +#define RK3399_PMUGRF_DDRTYPE_LPDDR2 5
>> +#define RK3399_PMUGRF_DDRTYPE_LPDDR3 6
>> +#define RK3399_PMUGRF_DDRTYPE_LPDDR4 7
>> +
>> +#endif
>>
>
>

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