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authorBiwen Li <biwen.li@nxp.com>2020-08-06 06:49:00 +0000
committerAdrian Schmutzler <freifunk@adrianschmutzler.de>2020-10-26 00:40:12 +0100
commit3b94a39c14a254e81181c1ab2a6d7b6f9aed4ba4 (patch)
tree105f9bf7be189777eb6b8e13e0ccd3755ec24d00 /target/linux/layerscape/patches-5.4/818-thermal-0004-thermal-qoriq-Update-the-settings-for-TMUv2.patch
parent46fd198338bec45915dc8a882d0b1826490f6842 (diff)
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layerscape: update kernel to LSDK-20.04-V5.4-update-290520
Update kernel from LSDK-20.04-V5.4 to LSDK-20.04-V5.4-update-290520. Only two patches added for Layerscape. LSDK kernel link https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ Signed-off-by: Biwen Li <biwen.li@nxp.com> Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Diffstat (limited to 'target/linux/layerscape/patches-5.4/818-thermal-0004-thermal-qoriq-Update-the-settings-for-TMUv2.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/818-thermal-0004-thermal-qoriq-Update-the-settings-for-TMUv2.patch85
1 files changed, 85 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/818-thermal-0004-thermal-qoriq-Update-the-settings-for-TMUv2.patch b/target/linux/layerscape/patches-5.4/818-thermal-0004-thermal-qoriq-Update-the-settings-for-TMUv2.patch
new file mode 100644
index 0000000000..9534bdc3dd
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/818-thermal-0004-thermal-qoriq-Update-the-settings-for-TMUv2.patch
@@ -0,0 +1,85 @@
+From da5a7765a20d34508036ba8ed1db87e546abcf4b Mon Sep 17 00:00:00 2001
+From: Yuantian Tang <andy.tang@nxp.com>
+Date: Mon, 25 May 2020 17:33:22 +0800
+Subject: [PATCH] thermal: qoriq: Update the settings for TMUv2
+
+For TMU v2, TMSAR registers need to be set properly to get the
+accurate temperature values.
+Also the temperature read needs to be converted to degree Celsius
+since it is in degrees Kelvin.
+
+Signed-off-by: Yuantian Tang <andy.tang@nxp.com>
+---
+ drivers/thermal/qoriq_thermal.c | 21 +++++++++++++++++++--
+ 1 file changed, 19 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
+index ba7d6105a..8b371fd3d 100644
+--- a/drivers/thermal/qoriq_thermal.c
++++ b/drivers/thermal/qoriq_thermal.c
+@@ -23,6 +23,7 @@
+ #define TMTMIR_DEFAULT 0x0000000f
+ #define TIER_DISABLE 0x0
+ #define TEUMR0_V2 0x51009c00
++#define TMSARA_V2 0xe
+ #define TMU_VER1 0x1
+ #define TMU_VER2 0x2
+
+@@ -35,6 +36,13 @@ struct qoriq_tmu_site_regs {
+ u8 res0[0x8];
+ };
+
++struct qoriq_tmu_tmsar {
++ u32 res0;
++ u32 tmsar;
++ u32 res1;
++ u32 res2;
++};
++
+ struct qoriq_tmu_regs_v1 {
+ u32 tmr; /* Mode Register */
+ u32 tsr; /* Status Register */
+@@ -95,7 +103,9 @@ struct qoriq_tmu_regs_v2 {
+ u32 tscfgr; /* Sensor Configuration Register */
+ u8 res6[0x78];
+ struct qoriq_tmu_site_regs site[SITES_MAX];
+- u8 res7[0x9f8];
++ u8 res10[0x100];
++ struct qoriq_tmu_tmsar tmsar[16];
++ u8 res7[0x7f8];
+ u32 ipbrr0; /* IP Block Revision Register 0 */
+ u32 ipbrr1; /* IP Block Revision Register 1 */
+ u8 res8[0x300];
+@@ -158,7 +168,10 @@ static int tmu_get_temp(void *p, int *temp)
+ u32 val;
+
+ val = tmu_read(qdata, &qdata->regs->site[qsensor->id].tritsr);
+- *temp = (val & 0xff) * 1000;
++ if (qdata->ver == TMU_VER1)
++ *temp = (val & 0xff) * 1000;
++ else
++ *temp = (val & 0x1ff) * 1000 - 273150;
+
+ return 0;
+ }
+@@ -319,6 +332,8 @@ static int qoriq_tmu_calibration(struct platform_device *pdev)
+
+ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data)
+ {
++ int i;
++
+ /* Disable interrupt, using polling instead */
+ tmu_write(data, TIER_DISABLE, &data->regs->tier);
+
+@@ -328,6 +343,8 @@ static void qoriq_tmu_init_device(struct qoriq_tmu_data *data)
+ } else {
+ tmu_write(data, TMTMIR_DEFAULT, &data->regs_v2->tmtmir);
+ tmu_write(data, TEUMR0_V2, &data->regs_v2->teumr0);
++ for (i = 0; i < 7; i++)
++ tmu_write(data, TMSARA_V2, &data->regs_v2->tmsar[i].tmsar);
+ }
+
+ /* Disable monitoring */
+--
+2.17.1
+