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Message-id: <1408492364-8012-1-git-send-email-cw00.choi@samsung.com>
Date: Wed, 20 Aug 2014 08:52:44 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: rui.zhang@...el.com, eduardo.valentin@...com,
amit.daniel@...sung.com
Cc: kgene.kim@...sung.com, b.zolnierkie@...sung.com,
t.figa@...sung.com, l.majewski@...sung.com, ch.naveen@...sung.com,
kyungmin.park@...sung.com, linux-pm@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
Chanwoo Choi <cw00.choi@...sung.com>,
Eduardo Valentin <edubezval@...il.com>
Subject: [PATCHv3] thermal: exynos: Add support for TRIM_RELOAD feature at
Exynos3250
This patch add support for TRIM_RELOAD feature at Exynos3250. The TMU of
Exynos3250 has two TRIMINFO_CON register.
Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
Cc: Zhang Rui <rui.zhang@...el.com>
Cc: Eduardo Valentin <edubezval@...il.com>
Cc: Amit Daniel Kachhap <amit.daniel@...sung.com>
---
Changes from v2:
- Fix build break because of missing 'or' operation.
Changes from v1:
- Add missing 'TMU_SUPPORT_TRIM_RELOAD' feature
drivers/thermal/samsung/exynos_tmu.c | 7 +++++--
drivers/thermal/samsung/exynos_tmu.h | 5 +++--
drivers/thermal/samsung/exynos_tmu_data.c | 11 +++++++++--
drivers/thermal/samsung/exynos_tmu_data.h | 7 +++++--
4 files changed, 22 insertions(+), 8 deletions(-)
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index acbff14..ed01606 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -164,8 +164,11 @@ static int exynos_tmu_initialize(struct platform_device *pdev)
}
}
- if (TMU_SUPPORTS(pdata, TRIM_RELOAD))
- __raw_writel(1, data->base + reg->triminfo_ctrl);
+ if (TMU_SUPPORTS(pdata, TRIM_RELOAD)) {
+ for (i = 0; i < pdata->triminfo_reload_count; i++)
+ __raw_writel(pdata->triminfo_reload[i],
+ data->base + reg->triminfo_ctrl[i]);
+ }
if (pdata->cal_mode == HW_MODE)
goto skip_calib_data;
diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h
index 1b4a644..72cb54e 100644
--- a/drivers/thermal/samsung/exynos_tmu.h
+++ b/drivers/thermal/samsung/exynos_tmu.h
@@ -151,8 +151,7 @@ struct exynos_tmu_registers {
u32 triminfo_25_shift;
u32 triminfo_85_shift;
- u32 triminfo_ctrl;
- u32 triminfo_ctrl1;
+ u32 triminfo_ctrl[2];
u32 triminfo_reload_shift;
u32 tmu_ctrl;
@@ -295,6 +294,8 @@ struct exynos_tmu_platform_data {
u8 second_point_trim;
u8 default_temp_offset;
u8 test_mux;
+ u8 triminfo_reload[2];
+ u8 triminfo_reload_count;
enum calibration_type cal_type;
enum calibration_mode cal_mode;
diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
index aa8e0de..8cd609c 100644
--- a/drivers/thermal/samsung/exynos_tmu_data.c
+++ b/drivers/thermal/samsung/exynos_tmu_data.c
@@ -95,6 +95,8 @@ static const struct exynos_tmu_registers exynos3250_tmu_registers = {
.triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
.triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT,
.triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT,
+ .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON1,
+ .triminfo_ctrl[1] = EXYNOS_TMU_TRIMINFO_CON2,
.tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
.test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,
.buf_vref_sel_shift = EXYNOS_TMU_REF_VOLTAGE_SHIFT,
@@ -160,8 +162,11 @@ static const struct exynos_tmu_registers exynos3250_tmu_registers = {
.temp_level = 95, \
}, \
.freq_tab_count = 2, \
+ .triminfo_reload[0] = 0x1, \
+ .triminfo_reload[1] = 0x11, \
+ .triminfo_reload_count = 2, \
.registers = &exynos3250_tmu_registers, \
- .features = (TMU_SUPPORT_EMULATION | \
+ .features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \
TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \
TMU_SUPPORT_EMUL_TIME)
#endif
@@ -184,7 +189,7 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = {
.triminfo_data = EXYNOS_TMU_REG_TRIMINFO,
.triminfo_25_shift = EXYNOS_TRIMINFO_25_SHIFT,
.triminfo_85_shift = EXYNOS_TRIMINFO_85_SHIFT,
- .triminfo_ctrl = EXYNOS_TMU_TRIMINFO_CON,
+ .triminfo_ctrl[0] = EXYNOS_TMU_TRIMINFO_CON2,
.triminfo_reload_shift = EXYNOS_TRIMINFO_RELOAD_SHIFT,
.tmu_ctrl = EXYNOS_TMU_REG_CONTROL,
.test_mux_addr_shift = EXYNOS4412_MUX_ADDR_SHIFT,
@@ -252,6 +257,8 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = {
.temp_level = 95, \
}, \
.freq_tab_count = 2, \
+ .triminfo_reload[0] = 0x1, \
+ .triminfo_reload_count = 1, \
.registers = &exynos4412_tmu_registers, \
.features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_TRIM_RELOAD | \
TMU_SUPPORT_FALLING_TRIP | TMU_SUPPORT_READY_STATUS | \
diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
index f0979e5..e0536c3 100644
--- a/drivers/thermal/samsung/exynos_tmu_data.h
+++ b/drivers/thermal/samsung/exynos_tmu_data.h
@@ -57,8 +57,11 @@
#define EXYNOS4210_TMU_TRIG_LEVEL_MASK 0x1111
#define EXYNOS4210_TMU_INTCLEAR_VAL 0x1111
-/* Exynos5250 and Exynos4412 specific registers */
-#define EXYNOS_TMU_TRIMINFO_CON 0x14
+/* Exynos3250 specific registers */
+#define EXYNOS_TMU_TRIMINFO_CON1 0x10
+
+/* Exynos5250, Exynos4412 and Exynos3250 specific registers */
+#define EXYNOS_TMU_TRIMINFO_CON2 0x14
#define EXYNOS_THD_TEMP_RISE 0x50
#define EXYNOS_THD_TEMP_FALL 0x54
#define EXYNOS_EMUL_CON 0x80
--
1.8.0
--
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