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soc: amlogic: driver updates for v5.10

Browse source 
- misc. pm-domain updates
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Merge tag 'amlogic-drivers' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers

soc: amlogic: driver updates for v5.10
- misc. pm-domain updates

* tag 'amlogic-drivers' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  soc: amlogic: pm-domains: use always-on flag
  soc: amlogic: meson-ee-pwrc: add support for the Meson AXG SoCs
  dt-bindings: power: amlogic, meson-ee-pwrc: add Amlogic AXG power controller bindings

Link: https://lore.kernel.org/r/7hblhukjzx.fsf@baylibre.com
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2020-10-03 13:00:54 -07:00
commit e863e45ef9
4 changed files with 65 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
View file

@ -27,6 +27,7 @@ properties:
- amlogic,meson8b-pwrc
- amlogic,meson8m2-pwrc
- amlogic,meson-gxbb-pwrc
- amlogic,meson-axg-pwrc
- amlogic,meson-g12a-pwrc
- amlogic,meson-sm1-pwrc
@ -42,11 +43,11 @@ properties:
- const: vapb
resets:
minItems: 11
minItems: 5
maxItems: 12
reset-names:
minItems: 11
minItems: 5
maxItems: 12
"#power-domain-cells":
@ -107,6 +108,24 @@ allOf:
- resets
- reset-names
- if:
properties:
compatible:
enum:
- amlogic,meson-axg-pwrc
then:
properties:
reset-names:
items:
- const: viu
- const: venc
- const: vcbus
- const: vencl
- const: vid_lock
required:
- resets
- reset-names
- if:
properties:
compatible:

30
drivers/soc/amlogic/meson-ee-pwrc.c
View file

@ -15,6 +15,7 @@
#include <linux/reset.h>
#include <linux/clk.h>
#include <dt-bindings/power/meson8-power.h>
#include <dt-bindings/power/meson-axg-power.h>
#include <dt-bindings/power/meson-g12a-power.h>
#include <dt-bindings/power/meson-gxbb-power.h>
#include <dt-bindings/power/meson-sm1-power.h>
@ -134,6 +135,11 @@ static struct meson_ee_pwrc_top_domain sm1_pwrc_ge2d = SM1_EE_PD(19);
{ __reg, BIT(14) }, \
{ __reg, BIT(15) }
static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_vpu[] = {
VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
};
static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_vpu[] = {
VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
@ -190,6 +196,10 @@ static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_ge2d[] = {
{ HHI_MEM_PD_REG0, GENMASK(25, 18) },
};
static struct meson_ee_pwrc_mem_domain axg_pwrc_mem_audio[] = {
{ HHI_MEM_PD_REG0, GENMASK(5, 4) },
};
static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
{ HHI_MEM_PD_REG0, GENMASK(5, 4) },
{ HHI_AUDIO_MEM_PD_REG0, GENMASK(1, 0) },
@ -231,6 +241,13 @@ static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_audio[] = {
static bool pwrc_ee_get_power(struct meson_ee_pwrc_domain *pwrc_domain);
static struct meson_ee_pwrc_domain_desc axg_pwrc_domains[] = {
[PWRC_AXG_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, axg_pwrc_mem_vpu,
pwrc_ee_get_power, 5, 2),
[PWRC_AXG_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
[PWRC_AXG_AUDIO_ID] = MEM_PD("AUDIO", axg_pwrc_mem_audio),
};
static struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = {
[PWRC_G12A_VPU_ID] = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu,
pwrc_ee_get_power, 11, 2),
@ -433,8 +450,8 @@ static int meson_ee_pwrc_init_domain(struct platform_device *pdev,
if (ret)
return ret;
ret = pm_genpd_init(&dom->base, &pm_domain_always_on_gov,
false);
dom->base.flags = GENPD_FLAG_ALWAYS_ON;
ret = pm_genpd_init(&dom->base, NULL, false);
if (ret)
return ret;
} else {
@ -529,6 +546,11 @@ static struct meson_ee_pwrc_domain_data meson_ee_g12a_pwrc_data = {
.domains = g12a_pwrc_domains,
};
static struct meson_ee_pwrc_domain_data meson_ee_axg_pwrc_data = {
.count = ARRAY_SIZE(axg_pwrc_domains),
.domains = axg_pwrc_domains,
};
static struct meson_ee_pwrc_domain_data meson_ee_gxbb_pwrc_data = {
.count = ARRAY_SIZE(gxbb_pwrc_domains),
.domains = gxbb_pwrc_domains,
@ -562,6 +584,10 @@ static const struct of_device_id meson_ee_pwrc_match_table[] = {
.compatible = "amlogic,meson8m2-pwrc",
.data = &meson_ee_m8b_pwrc_data,
},
{
.compatible = "amlogic,meson-axg-pwrc",
.data = &meson_ee_axg_pwrc_data,
},
{
.compatible = "amlogic,meson-gxbb-pwrc",
.data = &meson_ee_gxbb_pwrc_data,

4
drivers/soc/amlogic/meson-gx-pwrc-vpu.c
View file

@ -339,8 +339,8 @@ static int meson_gx_pwrc_vpu_probe(struct platform_device *pdev)
return ret;
}
pm_genpd_init(&vpu_pd->genpd, &pm_domain_always_on_gov,
powered_off);
vpu_pd->genpd.flags = GENPD_FLAG_ALWAYS_ON;
pm_genpd_init(&vpu_pd->genpd, NULL, powered_off);
return of_genpd_add_provider_simple(pdev->dev.of_node,
&vpu_pd->genpd);

14
include/dt-bindings/power/meson-axg-power.h Normal file
View file

@ -0,0 +1,14 @@
/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
/*
* Copyright (c) 2020 BayLibre, SAS
* Author: Neil Armstrong <narmstrong@baylibre.com>
*/
#ifndef _DT_BINDINGS_MESON_AXG_POWER_H
#define _DT_BINDINGS_MESON_AXG_POWER_H
#define PWRC_AXG_VPU_ID 0
#define PWRC_AXG_ETHERNET_MEM_ID 1
#define PWRC_AXG_AUDIO_ID 2
#endif