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authorRuibin Chang <ruibin.chang@ite.com.tw>2020-03-25 13:28:03 +0800
committerCommit Bot <commit-bot@chromium.org>2020-03-30 05:10:20 +0000
commitfa1381fa9a2a9067451302ef03372bae9c289dd2 (patch)
tree1d1bc23f01bf5b30ab1838f97026505337254d11
parent3fd849f1ba5c22836d3c23bce213dc87f87bcb36 (diff)
downloadchrome-ec-fa1381fa9a2a9067451302ef03372bae9c289dd2.tar.gz
tcpm/it83xx_pd: cc1 and cc2 resistance setting separate
In it81202/it81302 setting cc1 and cc2 resistance is individual for each cc. BUG=none BRANCH=none TEST=on it8xxx2_pdevb board, check cc toggle and connection with adater and dongle by Oscilloscope. Signed-off-by: Ruibin Chang <ruibin.chang@ite.com.tw> Change-Id: I3d0697b39b2302830c67061fc3279d33d40b9957 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2120112 Tested-by: Ruibin Chang <Ruibin.Chang@ite.com.tw> Reviewed-by: Jett Rink <jettrink@chromium.org> Commit-Queue: Ruibin Chang <Ruibin.Chang@ite.com.tw>
-rw-r--r--chip/it83xx/config_chip_it8xxx2.h2
-rw-r--r--driver/tcpm/it83xx_pd.h4
2 files changed, 6 insertions, 0 deletions
diff --git a/chip/it83xx/config_chip_it8xxx2.h b/chip/it83xx/config_chip_it8xxx2.h
index fe9914d4aa..b1a620895a 100644
--- a/chip/it83xx/config_chip_it8xxx2.h
+++ b/chip/it83xx/config_chip_it8xxx2.h
@@ -109,6 +109,8 @@
#define IT83XX_INTC_PLUG_IN_SUPPORT
/* Wake up CPU from low power mode even if interrupts are disabled */
#define IT83XX_RISCV_WAKEUP_CPU_WITHOUT_INT_ENABLED
+/* Individual setting CC1 and CC2 resistance. */
+#define IT83XX_USBPD_CC1_CC2_RESISTANCE_SEPARATE
/* Chip actually has TCPC physical port count. */
#define IT83XX_USBPD_PHY_PORT_COUNT 2
#else
diff --git a/driver/tcpm/it83xx_pd.h b/driver/tcpm/it83xx_pd.h
index fe55813435..0056f85cb1 100644
--- a/driver/tcpm/it83xx_pd.h
+++ b/driver/tcpm/it83xx_pd.h
@@ -123,7 +123,11 @@
#define USBPD_REG_MASK_CC2_DISCONNECT_5_1K_TO_GND BIT(6)
#define USBPD_REG_MASK_CC1_DISCONNECT BIT(3)
#define USBPD_REG_MASK_CC1_DISCONNECT_5_1K_TO_GND BIT(2)
+#ifdef IT83XX_USBPD_CC1_CC2_RESISTANCE_SEPARATE
+#define USBPD_REG_MASK_CC1_CC2_RP_RD_SELECT (BIT(1) | BIT(5))
+#else
#define USBPD_REG_MASK_CC1_CC2_RP_RD_SELECT BIT(1)
+#endif
#define IT83XX_USBPD_CCPSR(p) REG8(IT83XX_USBPD_BASE(p)+0x06)
#define USBPD_REG_MASK_DISCONNECT_5_1K_CC2_DB BIT(6)
#define USBPD_REG_MASK_DISCONNECT_POWER_CC2 BIT(5)