90 lines
2.9 KiB
Diff
90 lines
2.9 KiB
Diff
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add register configuration to activate wakeup feature in bl301
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Tested-by: Kevin Hilman <khilman@baylibre.com>
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Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
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Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
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---
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drivers/media/platform/meson/ao-cec-g12a.c | 33 ++++++++++++++++++++++
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1 file changed, 33 insertions(+)
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diff --git a/drivers/media/cec/platform/meson/ao-cec-g12a.c b/drivers/media/cec/platform/meson/ao-cec-g12a.c
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index 891533060d49..85850b974126 100644
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--- a/drivers/media/cec/platform/meson/ao-cec-g12a.c
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+++ b/drivers/media/cec/platform/meson/ao-cec-g12a.c
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@@ -25,6 +25,7 @@
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#include <media/cec.h>
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#include <media/cec-notifier.h>
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#include <linux/clk-provider.h>
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+#include <linux/mfd/syscon.h>
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/* CEC Registers */
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@@ -168,6 +169,18 @@
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#define CECB_WAKEUPCTRL 0x31
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+#define CECB_FUNC_CFG_REG 0xA0
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+#define CECB_FUNC_CFG_MASK GENMASK(6, 0)
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+#define CECB_FUNC_CFG_CEC_ON 0x01
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+#define CECB_FUNC_CFG_OTP_ON 0x02
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+#define CECB_FUNC_CFG_AUTO_STANDBY 0x04
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+#define CECB_FUNC_CFG_AUTO_POWER_ON 0x08
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+#define CECB_FUNC_CFG_ALL 0x2f
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+#define CECB_FUNC_CFG_NONE 0x0
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+
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+#define CECB_LOG_ADDR_REG 0xA4
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+#define CECB_LOG_ADDR_MASK GENMASK(22, 16)
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+
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struct meson_ao_cec_g12a_data {
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/* Setup the internal CECB_CTRL2 register */
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bool ctrl2_setup;
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@@ -177,6 +190,7 @@ struct meson_ao_cec_g12a_device {
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struct platform_device *pdev;
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struct regmap *regmap;
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struct regmap *regmap_cec;
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+ struct regmap *regmap_ao_sysctrl;
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spinlock_t cec_reg_lock;
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struct cec_notifier *notify;
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struct cec_adapter *adap;
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@@ -518,6 +532,13 @@ meson_ao_cec_g12a_set_log_addr(struct cec_adapter *adap, u8 logical_addr)
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BIT(logical_addr - 8));
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}
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+ if (ao_cec->regmap_ao_sysctrl)
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+ ret |= regmap_update_bits(ao_cec->regmap_ao_sysctrl,
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+ CECB_LOG_ADDR_REG,
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+ CECB_LOG_ADDR_MASK,
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+ FIELD_PREP(CECB_LOG_ADDR_MASK,
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+ logical_addr));
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+
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/* Always set Broadcast/Unregistered 15 address */
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ret |= regmap_update_bits(ao_cec->regmap_cec, CECB_LADD_HIGH,
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BIT(CEC_LOG_ADDR_UNREGISTERED - 8),
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@@ -618,6 +639,13 @@ static int meson_ao_cec_g12a_adap_enable(struct cec_adapter *adap, bool enable)
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regmap_write(ao_cec->regmap_cec, CECB_CTRL2,
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FIELD_PREP(CECB_CTRL2_RISE_DEL_MAX, 2));
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+ if (ao_cec->regmap_ao_sysctrl) {
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+ regmap_update_bits(ao_cec->regmap_ao_sysctrl,
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+ CECB_FUNC_CFG_REG,
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+ CECB_FUNC_CFG_MASK,
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+ CECB_FUNC_CFG_ALL);
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+ }
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+
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meson_ao_cec_g12a_irq_setup(ao_cec, true);
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return 0;
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@@ -685,6 +713,11 @@ static int meson_ao_cec_g12a_probe(struct platform_device *pdev)
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goto out_probe_adapter;
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}
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+ ao_cec->regmap_ao_sysctrl = syscon_regmap_lookup_by_phandle
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+ (pdev->dev.of_node, "amlogic,ao-sysctrl");
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+ if (IS_ERR(ao_cec->regmap_ao_sysctrl))
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+ dev_warn(&pdev->dev, "ao-sysctrl syscon regmap lookup failed.\n");
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+
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irq = platform_get_irq(pdev, 0);
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ret = devm_request_threaded_irq(&pdev->dev, irq,
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meson_ao_cec_g12a_irq,
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