[src/trunk]: src/sys/dev/i2c Add support for RK805

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5a13b06566b0
branches:  trunk
changeset: 433551:5a13b06566b0
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Thu Sep 20 09:02:46 2018 +0000

description:
Add support for RK805

diffstat:

 sys/dev/i2c/rkpmic.c |  50 +++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 47 insertions(+), 3 deletions(-)

diffs (92 lines):

diff -r 674e3b9a8a75 -r 5a13b06566b0 sys/dev/i2c/rkpmic.c
--- a/sys/dev/i2c/rkpmic.c      Thu Sep 20 07:18:38 2018 +0000
+++ b/sys/dev/i2c/rkpmic.c      Thu Sep 20 09:02:46 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rkpmic.c,v 1.1 2018/09/02 01:16:58 jmcneill Exp $ */
+/* $NetBSD: rkpmic.c,v 1.2 2018/09/20 09:02:46 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rkpmic.c,v 1.1 2018/09/02 01:16:58 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rkpmic.c,v 1.2 2018/09/20 09:02:46 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -52,6 +52,8 @@
        uint8_t         vsel_mask;
        u_int           base;
        u_int           step;   
+       u_int           flags;
+#define        F_ENABLE_WRITE_MASK     0x00
 };
 
 struct rkpmic_config {
@@ -60,6 +62,44 @@
        u_int           nctrl;
 };
 
+static const struct rkpmic_ctrl rk805_ctrls[] = {
+       /* DCDC */
+       { .name = "DCDC_REG1",  .flags = F_ENABLE_WRITE_MASK,
+         .enable_reg = 0x23,   .enable_mask = __BIT(0),
+         .vsel_reg = 0x2f,     .vsel_mask = __BITS(5,0),
+         .base = 712500,       .step = 12500 },
+       { .name = "DCDC_REG2",  .flags = F_ENABLE_WRITE_MASK,
+         .enable_reg = 0x23,   .enable_mask = __BIT(1),
+         .vsel_reg = 0x33,     .vsel_mask = __BITS(5,0),
+         .base = 712500,       .step = 12500 },
+       { .name = "DCDC_REG3",  .flags = F_ENABLE_WRITE_MASK,
+         .enable_reg = 0x23,   .enable_mask = __BIT(2) },
+       { .name = "DCDC_REG4",  .flags = F_ENABLE_WRITE_MASK,
+         .enable_reg = 0x23,   .enable_mask = __BIT(3),
+         .vsel_reg = 0x38,     .vsel_mask = __BITS(3,0),
+         .base = 800000,       .step = 100000 },
+
+       /* LDO */
+       { .name = "LDO_REG1",   .flags = F_ENABLE_WRITE_MASK,
+         .enable_reg = 0x27,   .enable_mask = __BIT(0),
+         .vsel_reg = 0x3b,     .vsel_mask = __BITS(4,0),
+         .base = 800000,       .step = 100000 },
+       { .name = "LDO_REG2",   .flags = F_ENABLE_WRITE_MASK,
+         .enable_reg = 0x27,   .enable_mask = __BIT(1),
+         .vsel_reg = 0x3d,     .vsel_mask = __BITS(4,0),
+         .base = 800000,       .step = 100000 },
+       { .name = "LDO_REG3",   .flags = F_ENABLE_WRITE_MASK,
+         .enable_reg = 0x27,   .enable_mask = __BIT(2),
+         .vsel_reg = 0x3f,     .vsel_mask = __BITS(4,0),
+         .base = 800000,       .step = 100000 },
+};
+
+static const struct rkpmic_config rk805_config = {
+       .name = "RK805",
+       .ctrl = rk805_ctrls,
+       .nctrl = __arraycount(rk805_ctrls),
+};
+
 static const struct rkpmic_ctrl rk808_ctrls[] = {
        /* DCDC */
        { .name = "DCDC_REG1",
@@ -145,6 +185,7 @@
 };
 
 static const struct device_compatible_entry compat_data[] = {
+       { "rockchip,rk805",     (uintptr_t)&rk805_config },
        { "rockchip,rk808",     (uintptr_t)&rk808_config },
        { NULL }
 };
@@ -252,7 +293,10 @@
                return EINVAL;
 
        I2C_LOCK(sc->sc_pmic);
-       val = I2C_READ(sc->sc_pmic, c->enable_reg);
+       if (c->flags & F_ENABLE_WRITE_MASK)
+               val |= c->enable_mask << 4;
+       else
+               val = I2C_READ(sc->sc_pmic, c->enable_reg);
        if (enable)
                val |= c->enable_mask;
        else