Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c
index d76b1e5..86f1ac4 100644
--- a/arch/arm/mach-omap2/vc.c
+++ b/arch/arm/mach-omap2/vc.c
@@ -26,6 +26,31 @@
#include "scrm44xx.h"
#include "control.h"
+#define OMAP4430_VDD_IVA_I2C_DISABLE BIT(14)
+#define OMAP4430_VDD_MPU_I2C_DISABLE BIT(13)
+#define OMAP4430_VDD_CORE_I2C_DISABLE BIT(12)
+#define OMAP4430_VDD_IVA_PRESENCE BIT(9)
+#define OMAP4430_VDD_MPU_PRESENCE BIT(8)
+#define OMAP4430_AUTO_CTRL_VDD_IVA(x) ((x) << 4)
+#define OMAP4430_AUTO_CTRL_VDD_MPU(x) ((x) << 2)
+#define OMAP4430_AUTO_CTRL_VDD_CORE(x) ((x) << 0)
+#define OMAP4430_AUTO_CTRL_VDD_RET 2
+
+#define OMAP4430_VDD_I2C_DISABLE_MASK \
+ (OMAP4430_VDD_IVA_I2C_DISABLE | \
+ OMAP4430_VDD_MPU_I2C_DISABLE | \
+ OMAP4430_VDD_CORE_I2C_DISABLE)
+
+#define OMAP4_VDD_DEFAULT_VAL \
+ (OMAP4430_VDD_I2C_DISABLE_MASK | \
+ OMAP4430_VDD_IVA_PRESENCE | OMAP4430_VDD_MPU_PRESENCE | \
+ OMAP4430_AUTO_CTRL_VDD_IVA(OMAP4430_AUTO_CTRL_VDD_RET) | \
+ OMAP4430_AUTO_CTRL_VDD_MPU(OMAP4430_AUTO_CTRL_VDD_RET) | \
+ OMAP4430_AUTO_CTRL_VDD_CORE(OMAP4430_AUTO_CTRL_VDD_RET))
+
+#define OMAP4_VDD_RET_VAL \
+ (OMAP4_VDD_DEFAULT_VAL & ~OMAP4430_VDD_I2C_DISABLE_MASK)
+
/**
* struct omap_vc_channel_cfg - describe the cfg_channel bitfield
* @sa: bit for slave address
@@ -280,6 +305,26 @@
}
}
+void omap4_vc_set_pmic_signaling(int core_next_state)
+{
+ struct voltagedomain *vd = vc.vd;
+ u32 val;
+
+ if (!vd)
+ return;
+
+ switch (core_next_state) {
+ case PWRDM_POWER_RET:
+ val = OMAP4_VDD_RET_VAL;
+ break;
+ default:
+ val = OMAP4_VDD_DEFAULT_VAL;
+ break;
+ }
+
+ vd->write(val, OMAP4_PRM_VOLTCTRL_OFFSET);
+}
+
/*
* Configure signal polarity for sys_clkreq and sys_off_mode pins
* as the default values are wrong and can cause the system to hang
@@ -542,9 +587,19 @@
writel_relaxed(val, OMAP4_SCRM_CLKSETUPTIME);
}
+static void __init omap4_vc_init_pmic_signaling(struct voltagedomain *voltdm)
+{
+ if (vc.vd)
+ return;
+
+ vc.vd = voltdm;
+ voltdm->write(OMAP4_VDD_DEFAULT_VAL, OMAP4_PRM_VOLTCTRL_OFFSET);
+}
+
/* OMAP4 specific voltage init functions */
static void __init omap4_vc_init_channel(struct voltagedomain *voltdm)
{
+ omap4_vc_init_pmic_signaling(voltdm);
omap4_set_timings(voltdm, true);
omap4_set_timings(voltdm, false);
}
@@ -615,7 +670,7 @@
const struct i2c_init_data *i2c_data;
if (!voltdm->pmic->i2c_high_speed) {
- pr_warn("%s: only high speed supported!\n", __func__);
+ pr_info("%s: using bootloader low-speed timings\n", __func__);
return;
}