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Message-Id: <1446974768-25795-8-git-send-email-wxt@rock-chips.com>
Date: Sun, 8 Nov 2015 17:26:05 +0800
From: Caesar Wang <wxt@...k-chips.com>
To: Heiko Stuebner <heiko@...ech.de>,
Eduardo Valentin <edubezval@...il.com>
Cc: linux-rockchip@...ts.infradead.org,
Caesar Wang <wxt@...k-chips.com>, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 07/10] thermal: rockchip: Support the RK3368 SoCs in thermal drivers
The RK3368 SoCs support to 2 channel TS-ADC, the temperature criteria
of each channel can be configurable.
The system has two Temperature Sensors, channel 0 is for CPU,
and channel 1 is for GPU.
Signed-off-by: Caesar Wang <wxt@...k-chips.com>
---
Changes in v3:
- :%s/flag/sort_flag
- fix the rk3368 sort_flag as increment mode.
Series-changes: 2
- remove some unused, completed on other patchs.
Changes in v2: None
Changes in v1: None
drivers/thermal/rockchip_thermal.c | 72 ++++++++++++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)
diff --git a/drivers/thermal/rockchip_thermal.c b/drivers/thermal/rockchip_thermal.c
index 067ecdd..df28049 100644
--- a/drivers/thermal/rockchip_thermal.c
+++ b/drivers/thermal/rockchip_thermal.c
@@ -1,6 +1,9 @@
/*
* Copyright (c) 2014, Fuzhou Rockchip Electronics Co., Ltd
*
+ * Copyright (c) 2015, Fuzhou Rockchip Electronics Co., Ltd
+ * Caesar Wang <wxt@...k-chips.com>
+ *
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
@@ -152,6 +155,8 @@ struct rockchip_thermal_data {
#define TSADCV2_INT_PD_CLEAR_MASK ~BIT(8)
#define TSADCV2_DATA_MASK 0xfff
+#define TSADCV3_DATA_MASK 0x3ff
+
#define TSADCV2_HIGHT_INT_DEBOUNCE_COUNT 4
#define TSADCV2_HIGHT_TSHUT_DEBOUNCE_COUNT 4
#define TSADCV2_AUTO_PERIOD_TIME 250 /* msec */
@@ -200,6 +205,45 @@ static const struct tsadc_table v2_code_table[] = {
{3421, 125000},
};
+static const struct tsadc_table v3_code_table[] = {
+ {0, -40000},
+ {106, -40000},
+ {108, -35000},
+ {110, -30000},
+ {112, -25000},
+ {114, -20000},
+ {116, -15000},
+ {118, -10000},
+ {120, -5000},
+ {122, 0},
+ {124, 5000},
+ {126, 10000},
+ {128, 15000},
+ {130, 20000},
+ {132, 25000},
+ {134, 30000},
+ {136, 35000},
+ {138, 40000},
+ {140, 45000},
+ {142, 50000},
+ {144, 55000},
+ {146, 60000},
+ {148, 65000},
+ {150, 70000},
+ {152, 75000},
+ {154, 80000},
+ {156, 85000},
+ {158, 90000},
+ {160, 95000},
+ {162, 100000},
+ {163, 105000},
+ {165, 110000},
+ {167, 115000},
+ {169, 120000},
+ {171, 125000},
+ {TSADCV3_DATA_MASK, 125000},
+};
+
static u32 rk_tsadcv2_temp_to_code(struct chip_tsadc_table table,
int temp)
{
@@ -408,11 +452,39 @@ static const struct rockchip_tsadc_chip rk3288_tsadc_data = {
},
};
+static const struct rockchip_tsadc_chip rk3368_tsadc_data = {
+ .chn_id[SENSOR_CPU] = 0, /* cpu sensor is channel 0 */
+ .chn_id[SENSOR_GPU] = 1, /* gpu sensor is channel 1 */
+ .chn_num = 2, /* two channels for tsadc */
+
+ .tshut_mode = TSHUT_MODE_GPIO, /* default TSHUT via GPIO give PMIC */
+ .tshut_polarity = TSHUT_LOW_ACTIVE, /* default TSHUT LOW ACTIVE */
+ .tshut_temp = 95000,
+
+ .initialize = rk_tsadcv2_initialize,
+ .irq_ack = rk_tsadcv2_irq_ack,
+ .control = rk_tsadcv2_control,
+ .get_temp = rk_tsadcv2_get_temp,
+ .set_tshut_temp = rk_tsadcv2_tshut_temp,
+ .set_tshut_mode = rk_tsadcv2_tshut_mode,
+
+ .table = {
+ .id = v3_code_table,
+ .length = ARRAY_SIZE(v3_code_table),
+ .data_mask = TSADCV3_DATA_MASK,
+ .sort_flag = ADC_INCREMENT,
+ },
+};
+
static const struct of_device_id of_rockchip_thermal_match[] = {
{
.compatible = "rockchip,rk3288-tsadc",
.data = (void *)&rk3288_tsadc_data,
},
+ {
+ .compatible = "rockchip,rk3368-tsadc",
+ .data = (void *)&rk3368_tsadc_data,
+ },
{ /* end */ },
};
MODULE_DEVICE_TABLE(of, of_rockchip_thermal_match);
--
1.9.1
--
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