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https://github.com/AsahiLinux/u-boot
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commit
8005908e8f
1 changed files with 13 additions and 29 deletions
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@ -44,7 +44,6 @@ struct pca9450_vrange {
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* @ranges: pointer to ranges of regulator voltages and matching register
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* values
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* @numranges: number of voltage ranges pointed by ranges
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* @dvs: whether the voltage can be changed when regulator is enabled
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*/
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struct pca9450_plat {
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const char *name;
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@ -54,7 +53,6 @@ struct pca9450_plat {
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u8 volt_mask;
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struct pca9450_vrange *ranges;
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unsigned int numranges;
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bool dvs;
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};
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#define PCA_RANGE(_min, _vstep, _sel_low, _sel_hi) \
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@ -63,11 +61,11 @@ struct pca9450_plat {
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.min_sel = (_sel_low), .max_sel = (_sel_hi), \
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}
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#define PCA_DATA(_name, enreg, enmask, vreg, vmask, _range, _dvs) \
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#define PCA_DATA(_name, enreg, enmask, vreg, vmask, _range) \
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{ \
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.name = (_name), .enable_reg = (enreg), .enablemask = (enmask), \
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.volt_reg = (vreg), .volt_mask = (vmask), .ranges = (_range), \
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.numranges = ARRAY_SIZE(_range), .dvs = (_dvs), \
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.numranges = ARRAY_SIZE(_range) \
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}
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static struct pca9450_vrange pca9450_buck123_vranges[] = {
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@ -107,39 +105,39 @@ static struct pca9450_plat pca9450_reg_data[] = {
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/* Bucks 1-3 which support dynamic voltage scaling */
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PCA_DATA("BUCK1", PCA9450_BUCK1CTRL, HW_STATE_CONTROL,
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PCA9450_BUCK1OUT_DVS0, PCA9450_DVS_BUCK_RUN_MASK,
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pca9450_buck123_vranges, true),
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pca9450_buck123_vranges),
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PCA_DATA("BUCK2", PCA9450_BUCK2CTRL, HW_STATE_CONTROL,
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PCA9450_BUCK2OUT_DVS0, PCA9450_DVS_BUCK_RUN_MASK,
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pca9450_buck123_vranges, true),
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pca9450_buck123_vranges),
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PCA_DATA("BUCK3", PCA9450_BUCK3CTRL, HW_STATE_CONTROL,
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PCA9450_BUCK3OUT_DVS0, PCA9450_DVS_BUCK_RUN_MASK,
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pca9450_buck123_vranges, true),
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pca9450_buck123_vranges),
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/* Bucks 4-6 which do not support dynamic voltage scaling */
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PCA_DATA("BUCK4", PCA9450_BUCK4CTRL, HW_STATE_CONTROL,
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PCA9450_BUCK4OUT, PCA9450_DVS_BUCK_RUN_MASK,
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pca9450_buck456_vranges, false),
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pca9450_buck456_vranges),
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PCA_DATA("BUCK5", PCA9450_BUCK5CTRL, HW_STATE_CONTROL,
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PCA9450_BUCK5OUT, PCA9450_DVS_BUCK_RUN_MASK,
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pca9450_buck456_vranges, false),
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pca9450_buck456_vranges),
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PCA_DATA("BUCK6", PCA9450_BUCK6CTRL, HW_STATE_CONTROL,
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PCA9450_BUCK6OUT, PCA9450_DVS_BUCK_RUN_MASK,
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pca9450_buck456_vranges, false),
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pca9450_buck456_vranges),
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/* LDOs */
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PCA_DATA("LDO1", PCA9450_LDO1CTRL, HW_STATE_CONTROL,
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PCA9450_LDO1CTRL, PCA9450_LDO12_MASK,
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pca9450_ldo1_vranges, false),
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pca9450_ldo1_vranges),
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PCA_DATA("LDO2", PCA9450_LDO2CTRL, HW_STATE_CONTROL,
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PCA9450_LDO2CTRL, PCA9450_LDO12_MASK,
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pca9450_ldo2_vranges, false),
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pca9450_ldo2_vranges),
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PCA_DATA("LDO3", PCA9450_LDO3CTRL, HW_STATE_CONTROL,
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PCA9450_LDO3CTRL, PCA9450_LDO34_MASK,
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pca9450_ldo34_vranges, false),
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pca9450_ldo34_vranges),
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PCA_DATA("LDO4", PCA9450_LDO4CTRL, HW_STATE_CONTROL,
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PCA9450_LDO4CTRL, PCA9450_LDO34_MASK,
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pca9450_ldo34_vranges, false),
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pca9450_ldo34_vranges),
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PCA_DATA("LDO5", PCA9450_LDO5CTRL_H, HW_STATE_CONTROL,
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PCA9450_LDO5CTRL_H, PCA9450_LDO5_MASK,
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pca9450_ldo5_vranges, false),
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pca9450_ldo5_vranges),
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};
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static int vrange_find_value(struct pca9450_vrange *r, unsigned int sel,
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@ -246,20 +244,6 @@ static int pca9450_set_value(struct udevice *dev, int uvolt)
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unsigned int sel;
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int i, found = 0;
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/*
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* An under/overshooting may occur if voltage is changed for other
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* regulators but buck 1,2,3 or 4 when regulator is enabled. Prevent
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* change to protect the HW
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*/
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if (!plat->dvs)
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if (pca9450_get_enable(dev)) {
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/* If the value is already set, skip the warning. */
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if (pca9450_get_value(dev) == uvolt)
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return 0;
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pr_err("Only DVS bucks can be changed when enabled\n");
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return -EINVAL;
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}
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for (i = 0; i < plat->numranges; i++) {
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struct pca9450_vrange *r = &plat->ranges[i];
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