Re: [PATCH 2/3] thermal: Add Mediatek thermal controller support

Daniel Lezcano
2015-08-20T23:12:27Z

On 08/20/2015 10:06 AM, Sascha Hauer wrote:
> This adds support for the Mediatek thermal controller found on MT8173
> and likely other SoCs.
> The controller is a bit special. It does not have its own ADC, instead
> it controls the on-SoC AUXADC via AHB bus accesses. For this reason
> we need the physical address of the AUXADC. Also it controls a mux
> using AHB bus accesses, so we need the APMIXEDSYS physical address aswell.
>
> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
> ---

[ ... ]

> diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
> new file mode 100644
> index 0000000..06d52ef
> --- /dev/null
> +++ b/drivers/thermal/mtk_thermal.c
> @@ -0,0 +1,582 @@
> +/*
> + * Copyright (c) 2014 MediaTek Inc.

2015 ?

> + * Author: Hanyi.Wu <hanyi.wu@mediatek.com>

Hanyi Wu ?

[ ... ]

-->

> +#define TEMP_MONINTSTS 0x010
> +#define TEMP_MONIDET0 0x014
> +#define TEMP_MONIDET1 0x018
> +#define TEMP_MONIDET2 0x01c
> +#define TEMP_H2NTHRE 0x024
> +#define TEMP_HTHRE 0x028
> +#define TEMP_CTHRE 0x02c
> +#define TEMP_OFFSETH 0x030
> +#define TEMP_OFFSETL 0x034
> +#define TEMP_MSRCTL1 0x03c
> +#define TEMP_ADCEXT 0x058
> +#define TEMP_ADCEXT1 0x05c
> +#define TEMP_ADCEXTADDR 0x06c
> +#define TEMP_ADCEXT1ADDR 0x070
> +#define TEMP_IMMD0 0x0a0
> +#define TEMP_IMMD1 0x0a4
> +#define TEMP_IMMD2 0x0a8
> +#define TEMP_PROTCTL 0x0c0
> +#define TEMP_PROTTA 0x0c4
> +#define TEMP_PROTTB 0x0c8
> +#define TEMP_PROTTC 0x0cc
> +#define TEMP_SPARE1 0x0f4
> +#define TEMP_SPARE2 0x0f8
> +#define TEMP_SPARE3 0x0fc
> +#define THERMINTST 0x404
> +#define PTPODINTST 0x408
> +#define THSTAGE0ST 0x40c
> +#define THSTAGE1ST 0x410
> +#define THSTAGE2ST 0x414
> +#define THAHBST0 0x418
> +#define THAHBST1 0x41c /* Only for DE debug */
> +#define PTPSPARE0 0x420
> +#define PTPSPARE1 0x424
> +#define PTPSPARE2 0x428
> +#define PTPSPARE3 0x42c
> +#define THSLPEVEB 0x430
> +#define TEMP_MONINT_COLD(sp) (BIT(0) << ((sp) * 5))
> +#define TEMP_MONINT_HOT(sp) (BIT(1) << ((sp) * 5))
> +#define TEMP_MONINT_LOW_OFS(sp) (BIT(2) << ((sp) * 5))
> +#define TEMP_MONINT_HIGH_OFS(sp) (BIT(3) << ((sp) * 5))
> +#define TEMP_MONINT_HOT_TO_NORM(sp) (BIT(4) << ((sp) * 5))
> +#define TEMP_MONINT_TIMEOUT BIT(15)
> +#define TEMP_MONINT_IMMEDIATE_SENSE(sp) BIT(16 + (sp))
> +#define TEMP_MONINT_FILTER_SENSE(sp) BIT(19 + (sp))
> +#define TEMP_ADCWRITECTRL_ADC_EXTRA_WRITE BIT(2)
> +#define TEMP_ADCWRITECTRL_ADC_EXTRA1_WRITE BIT(3)
> +#define TEMP_PROTCTL_AVERAGE (0 << 16)
> +#define TEMP_PROTCTL_MAXIMUM (1 << 16)
> +#define TEMP_PROTCTL_SELECTED (2 << 16)

<-- Not used.

-- Daniel

--
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