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authorYH Lin <yueherngl@google.com>2022-11-30 21:44:08 +0000
committerYH Lin <yueherngl@google.com>2022-11-30 21:44:08 +0000
commitaf25602b15b22b9ef5821dcba9934311f2157c48 (patch)
treed0c89ae8814c2ba35c238c6c0644ec6b1602c63a /zephyr/program/trogdor/lazor/src/switchcap.c
parent54462f034b635260dd09173b3d082e47fc960ef3 (diff)
parentaa40b859b3a73e5a205bc561c1a29eff38485461 (diff)
downloadchrome-ec-af25602b15b22b9ef5821dcba9934311f2157c48.tar.gz
Merge remote-tracking branch cros/main into factory-brya-14517.B-main
Generated by: util/update_release_branch.py --baseboard brya --relevant_paths_file baseboard/brya/relevant-paths.txt factory-brya-14517.B-main Relevant changes: git log --oneline 54462f034b..aa40b859b3 -- baseboard/brya board/agah board/anahera board/banshee board/brya board/crota board/felwinter board/gimble board/kano board/mithrax board/osiris board/primus board/redrix board/taeko board/taniks board/vell board/volmar driver/bc12/pi3usb9201_public.* driver/charger/bq25710.* driver/ppc/nx20p348x.* driver/ppc/syv682x_public.* driver/retimer/bb_retimer_public.* driver/tcpm/nct38xx.* driver/tcpm/ps8xxx_public.* driver/tcpm/tcpci.* include/power/alderlake* include/intel_x86.h power/alderlake* power/intel_x86.c util/getversion.sh e6da633c38 driver: Sort header files 234a87ae2d tcpci: Add FRS enable to driver structure a56be59ccd tcpm_header: add test for tcpm_dump_registers 57b3256963 Rename CONFIG_CHARGER_INPUT_CURRENT to _CHARGER_DEFAULT_CURRENT_LIMIT e420c8ff9a marasov: Modify TypeC and TypeA configuration. 43b53e0045 Add default implementation of board_set_charge_limit b75dc90677 Add CONFIG_CHARGER_MIN_INPUT_CURRENT_LIMIT f1b563c350 baseboard: Sort header files 7d01b1e58d driver/retimer/ps8818.h: Add I2C ADDR FLAGS 0x30, 0x58, 0x70 ec31407993 Add CONFIG_CHARGER_INPUT_CURRENT_DERATE_PCT 8f89f69a5b crota: disable lid angle sensor for clamshell BRANCH=None BUG=b:259002141 b:255184961 b:247100970 b:259354679 b:260630630 BUG=b:163093572 b:254328661 TEST=`emerge-brya chromeos-ec` Force-Relevant-Builds: all Change-Id: Ia85a701fbf6b8e67ec214b9e25e0e55e980a6f47 Signed-off-by: YH Lin <yueherngl@google.com>
Diffstat (limited to 'zephyr/program/trogdor/lazor/src/switchcap.c')
-rw-r--r--zephyr/program/trogdor/lazor/src/switchcap.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/zephyr/program/trogdor/lazor/src/switchcap.c b/zephyr/program/trogdor/lazor/src/switchcap.c
new file mode 100644
index 0000000000..77413fb336
--- /dev/null
+++ b/zephyr/program/trogdor/lazor/src/switchcap.c
@@ -0,0 +1,128 @@
+/* Copyright 2022 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "common.h"
+#include "config.h"
+#include "console.h"
+#include "driver/ln9310.h"
+#include "gpio/gpio_int.h"
+#include "hooks.h"
+#include "i2c.h"
+#include "power/qcom.h"
+#include "sku.h"
+#include "system.h"
+
+#include <zephyr/drivers/gpio.h>
+
+#define CPRINTS(format, args...) cprints(CC_I2C, format, ##args)
+#define CPRINTF(format, args...) cprintf(CC_I2C, format, ##args)
+
+/* LN9310 switchcap */
+const struct ln9310_config_t ln9310_config = {
+ .i2c_port = I2C_PORT_POWER,
+ .i2c_addr_flags = LN9310_I2C_ADDR_0_FLAGS,
+};
+
+static void switchcap_init(void)
+{
+ if (board_has_da9313()) {
+ CPRINTS("Use switchcap: DA9313");
+
+ /*
+ * When the chip in power down mode, it outputs high-Z.
+ * Set pull-down to avoid floating.
+ */
+ gpio_pin_configure_dt(GPIO_DT_FROM_NODELABEL(gpio_da9313_gpio0),
+ GPIO_INPUT | GPIO_PULL_DOWN);
+
+ /*
+ * Configure DA9313 enable, push-pull output. Don't set the
+ * level here; otherwise, it will override its value and
+ * shutdown the switchcap when sysjump to RW.
+ */
+ gpio_pin_configure_dt(GPIO_DT_FROM_NODELABEL(gpio_switchcap_on),
+ GPIO_OUTPUT);
+ } else if (board_has_ln9310()) {
+ CPRINTS("Use switchcap: LN9310");
+
+ /* Enable interrupt for LN9310 */
+ gpio_enable_dt_interrupt(
+ GPIO_INT_FROM_NODELABEL(int_switchcap_pg));
+
+ /*
+ * Configure LN9310 enable, open-drain output. Don't set the
+ * level here; otherwise, it will override its value and
+ * shutdown the switchcap when sysjump to RW.
+ *
+ * Note that the gpio.inc configures it GPIO_OUT_LOW. When
+ * sysjump to RW, will output push-pull a short period of
+ * time. As it outputs LOW, should be fine.
+ *
+ * This GPIO changes like:
+ * (1) EC boots from RO -> high-Z
+ * (2) GPIO init according to gpio.inc -> push-pull LOW
+ * (3) This function configures it -> open-drain HIGH
+ * (4) Power sequence turns on the switchcap -> open-drain LOW
+ * (5) EC sysjumps to RW
+ * (6) GPIO init according to gpio.inc -> push-pull LOW
+ * (7) This function configures it -> open-drain LOW
+ */
+ gpio_pin_configure_dt(GPIO_DT_FROM_NODELABEL(gpio_switchcap_on),
+ GPIO_OUTPUT | GPIO_OPEN_DRAIN);
+
+ /* Only configure the switchcap if not sysjump */
+ if (!system_jumped_late()) {
+ /*
+ * Deassert the enable pin, so the
+ * switchcap won't be enabled after the switchcap is
+ * configured from standby mode to switching mode.
+ */
+ gpio_pin_set_dt(
+ GPIO_DT_FROM_NODELABEL(gpio_switchcap_on), 0);
+ ln9310_init();
+ }
+ } else if (board_has_buck_ic()) {
+ CPRINTS("Use Buck IC");
+ } else {
+ CPRINTS("ERROR: No switchcap solution");
+ }
+}
+DECLARE_HOOK(HOOK_INIT, switchcap_init, HOOK_PRIO_DEFAULT);
+
+void board_set_switchcap_power(int enable)
+{
+ if (board_has_da9313()) {
+ gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_switchcap_on),
+ enable);
+ } else if (board_has_ln9310()) {
+ gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_switchcap_on),
+ enable);
+ ln9310_software_enable(enable);
+ } else if (board_has_buck_ic()) {
+ gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(gpio_vbob_en), enable);
+ }
+}
+
+int board_is_switchcap_enabled(void)
+{
+ if (board_has_da9313() || board_has_ln9310())
+ return gpio_pin_get_dt(
+ GPIO_DT_FROM_NODELABEL(gpio_switchcap_on));
+
+ /* Board has buck ic*/
+ return gpio_pin_get_dt(GPIO_DT_FROM_NODELABEL(gpio_vbob_en));
+}
+
+int board_is_switchcap_power_good(void)
+{
+ if (board_has_da9313())
+ return gpio_pin_get_dt(
+ GPIO_DT_FROM_NODELABEL(gpio_da9313_gpio0));
+ else if (board_has_ln9310())
+ return ln9310_power_good();
+
+ /* Board has buck ic no way to check POWER GOOD */
+ return 1;
+}