soc: amlogic: meson-ee-pwrc: add support for the Meson AXG SoCs

The Power Controller in the Amlogic AXG SoCs is similar to the GXL one
but with less VPU memory domains to enable and a supplementary Audio
memory power domain.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200917064702.1459-3-narmstrong@baylibre.com

diff --git a/drivers/soc/amlogic/meson-ee-pwrc.c b/drivers/soc/amlogic/meson-ee-pwrc.c
index 43665b77aa9e2434a3186e7f8bf3e2cf6345bd5e..9fd97ad02806d616cfcd45ba2607a01199d1d85a 100644 (file)
--- a/drivers/soc/amlogic/meson-ee-pwrc.c
+++ b/drivers/soc/amlogic/meson-ee-pwrc.c
@@ -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),
@@ -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,