soc: amlogic: driver updates for v5.8

- support GX SoCs in the EE power-controller driver -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEe4dGDhaSf6n1v/EMWTcYmtP7xmUFAl7Gz9cACgkQWTcYmtP7 xmXc/A/+KjFrbfbLxzD3ECvsEEfWB9H9XrFUn1NDVU9MJipV9+sFKnnV3Px3C3VA ++J7nJ3uU6p5LzU09AaeqwciZgwP00/14SyijF9IifvzBntvzQAZ3ouexj1xSMVu eSU3Q12UeWwlUUT6kzdEwAjgQFdSZgX01fZGM6TiTY3SiHEw7R6wrKQPxzCaeSrw ElnKu9ukzqsI0oydpnaEWzXaSx/Rl27UUIV8iqWvIYk6dogCvF6svifmqaFEnDlO dn+Z4Y2m/I/yW94JMuajA3Iqt+vBcAge70GhcRZOUJqN0Pkg+gp4+vqieGHwcuGu Nqi3A95gthIJV0WY+1p8NkQ7EvougzD/zr6u5UQultL1y+hQNTmNh/kV0TJLnIo+ kVIBfuCG1b5nvPIZ1dqGcS1u4OIWtU8vz5mYII+vAcGFucThdd5S3eVf3yDD5M+f vKlJ/M9dugkTfMi7iZSbmP6oTwFuRRqJ1OXpaxvdwtYBNd7pNDMel5elLRUxu0zZ jf83C8jgEHJyNspgTrBuWc7sRYnaSyMu79QNNTorSNI7WOPLer+YluBrZdxahp54 OwjkiWDA/mX/Ty5wyRpRxWfdpCbcKAHx17uHuXxKOnuvJkwVdDqGdnNzX2IcYuxa 0MGSdAZdwcapK1L11xAzK4PBHB15xJRI3Sf7MTRA9HGWHv6t12k= =nn2j -----END PGP SIGNATURE----- Merge tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers soc: amlogic: driver updates for v5.8 - support GX SoCs in the EE power-controller driver * tag 'amlogic-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic: soc: amlogic: meson-ee-pwrc: add support for the Meson GX SoCs soc: amlogic: meson-ee-pwrc: add support for Meson8/Meson8b/Meson8m2 dt-bindings: power: meson-ee-pwrc: add support for the Meson GX SoCs dt-bindings: power: meson-ee-pwrc: add support for Meson8/8b/8m2 Link: https://lore.kernel.org/r/5ec6f570.1c69fb81.a3753.711b@mx.google.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-25 16:57:24 +02:00 · 2020-05-25 16:57:24 +02:00 · 93f9fb1e4a
commit 93f9fb1e4a
parent 6d83d800b2 53773f2dfd
4 changed files with 214 additions and 26 deletions
--- a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
+++ b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
@ -23,20 +23,99 @@ description: |+
 properties:
  compatible:
    enum:
+      - amlogic,meson8-pwrc
+      - amlogic,meson8b-pwrc
+      - amlogic,meson8m2-pwrc
+      - amlogic,meson-gxbb-pwrc
      - amlogic,meson-g12a-pwrc
      - amlogic,meson-sm1-pwrc

  clocks:
-    minItems: 2
+    minItems: 1
+    maxItems: 2

  clock-names:
+    minItems: 1
+    maxItems: 2
    items:
      - const: vpu
      - const: vapb

  resets:
    minItems: 11
+    maxItems: 12

+  reset-names:
+    minItems: 11
+    maxItems: 12
+
+  "#power-domain-cells":
+    const: 1
+
+  amlogic,ao-sysctrl:
+    description: phandle to the AO sysctrl node
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/phandle
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          enum:
+            - amlogic,meson8b-pwrc
+            - amlogic,meson8m2-pwrc
+    then:
+      properties:
+        reset-names:
+          items:
+            - const: dblk
+            - const: pic_dc
+            - const: hdmi_apb
+            - const: hdmi_system
+            - const: venci
+            - const: vencp
+            - const: vdac
+            - const: vencl
+            - const: viu
+            - const: venc
+            - const: rdma
+      required:
+        - resets
+        - reset-names
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - amlogic,meson-gxbb-pwrc
+    then:
+      properties:
+        reset-names:
+          items:
+            - const: viu
+            - const: venc
+            - const: vcbus
+            - const: bt656
+            - const: dvin
+            - const: rdma
+            - const: venci
+            - const: vencp
+            - const: vdac
+            - const: vdi6
+            - const: vencl
+            - const: vid_lock
+      required:
+        - resets
+        - reset-names
+
+  - if:
+      properties:
+        compatible:
+          enum:
+            - amlogic,meson-g12a-pwrc
+            - amlogic,meson-sm1-pwrc
+    then:
+      properties:
        reset-names:
          items:
            - const: viu
@ -50,21 +129,14 @@ properties:
            - const: vdi6
            - const: vencl
            - const: vid_lock
-
-  "#power-domain-cells":
-    const: 1
-
-  amlogic,ao-sysctrl:
-    description: phandle to the AO sysctrl node
-    allOf:
-      - $ref: /schemas/types.yaml#/definitions/phandle
+      required:
+        - resets
+        - reset-names

 required:
  - compatible
  - clocks
  - clock-names
-  - resets
-  - reset-names
  - "#power-domain-cells"
  - amlogic,ao-sysctrl

--- a/drivers/soc/amlogic/meson-ee-pwrc.c
+++ b/drivers/soc/amlogic/meson-ee-pwrc.c
@ -14,13 +14,23 @@
 #include <linux/reset-controller.h>
 #include <linux/reset.h>
 #include <linux/clk.h>
+#include <dt-bindings/power/meson8-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>

 /* AO Offsets */

-#define AO_RTI_GEN_PWR_SLEEP0		(0x3a << 2)
-#define AO_RTI_GEN_PWR_ISO0		(0x3b << 2)
+#define GX_AO_RTI_GEN_PWR_SLEEP0	(0x3a << 2)
+#define GX_AO_RTI_GEN_PWR_ISO0		(0x3b << 2)
+
+/*
+ * Meson8/Meson8b/Meson8m2 only expose the power management registers of the
+ * AO-bus as syscon. 0x3a from GX translates to 0x02, 0x3b translates to 0x03
+ * and so on.
+ */
+#define MESON8_AO_RTI_GEN_PWR_SLEEP0	(0x02 << 2)
+#define MESON8_AO_RTI_GEN_PWR_ISO0	(0x03 << 2)

 /* HHI Offsets */

@ -66,18 +76,25 @@ struct meson_ee_pwrc_domain_data {

 /* TOP Power Domains */

-static struct meson_ee_pwrc_top_domain g12a_pwrc_vpu = {
-	.sleep_reg = AO_RTI_GEN_PWR_SLEEP0,
+static struct meson_ee_pwrc_top_domain gx_pwrc_vpu = {
+	.sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
 	.sleep_mask = BIT(8),
-	.iso_reg = AO_RTI_GEN_PWR_SLEEP0,
+	.iso_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
+	.iso_mask = BIT(9),
+};
+
+static struct meson_ee_pwrc_top_domain meson8_pwrc_vpu = {
+	.sleep_reg = MESON8_AO_RTI_GEN_PWR_SLEEP0,
+	.sleep_mask = BIT(8),
+	.iso_reg = MESON8_AO_RTI_GEN_PWR_SLEEP0,
 	.iso_mask = BIT(9),
 };

 #define SM1_EE_PD(__bit)					\
 	{							\
-		.sleep_reg = AO_RTI_GEN_PWR_SLEEP0, 		\
+		.sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0, 		\
 		.sleep_mask = BIT(__bit), 			\
-		.iso_reg = AO_RTI_GEN_PWR_ISO0, 		\
+		.iso_reg = GX_AO_RTI_GEN_PWR_ISO0, 		\
 		.iso_mask = BIT(__bit), 			\
 	}

@ -124,10 +141,26 @@ static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_vpu[] = {
 	VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
 };

-static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_eth[] = {
+static struct meson_ee_pwrc_mem_domain gxbb_pwrc_mem_vpu[] = {
+	VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+	VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
+	VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
+static struct meson_ee_pwrc_mem_domain meson_pwrc_mem_eth[] = {
 	{ HHI_MEM_PD_REG0, GENMASK(3, 2) },
 };

+static struct meson_ee_pwrc_mem_domain meson8_pwrc_audio_dsp_mem[] = {
+	{ HHI_MEM_PD_REG0, GENMASK(1, 0) },
+};
+
+static struct meson_ee_pwrc_mem_domain meson8_pwrc_mem_vpu[] = {
+	VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
+	VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
+	VPU_HHI_MEMPD(HHI_MEM_PD_REG0),
+};
+
 static struct meson_ee_pwrc_mem_domain sm1_pwrc_mem_vpu[] = {
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG0),
 	VPU_MEMPD(HHI_VPU_MEM_PD_REG1),
@ -199,9 +232,35 @@ 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 g12a_pwrc_domains[] = {
-	[PWRC_G12A_VPU_ID]  = VPU_PD("VPU", &g12a_pwrc_vpu, g12a_pwrc_mem_vpu,
+	[PWRC_G12A_VPU_ID]  = VPU_PD("VPU", &gx_pwrc_vpu, g12a_pwrc_mem_vpu,
 				     pwrc_ee_get_power, 11, 2),
-	[PWRC_G12A_ETH_ID] = MEM_PD("ETH", g12a_pwrc_mem_eth),
+	[PWRC_G12A_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
+};
+
+static struct meson_ee_pwrc_domain_desc gxbb_pwrc_domains[] = {
+	[PWRC_GXBB_VPU_ID]  = VPU_PD("VPU", &gx_pwrc_vpu, gxbb_pwrc_mem_vpu,
+				     pwrc_ee_get_power, 12, 2),
+	[PWRC_GXBB_ETHERNET_MEM_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
+};
+
+static struct meson_ee_pwrc_domain_desc meson8_pwrc_domains[] = {
+	[PWRC_MESON8_VPU_ID]  = VPU_PD("VPU", &meson8_pwrc_vpu,
+				       meson8_pwrc_mem_vpu, pwrc_ee_get_power,
+				       0, 1),
+	[PWRC_MESON8_ETHERNET_MEM_ID] = MEM_PD("ETHERNET_MEM",
+					       meson_pwrc_mem_eth),
+	[PWRC_MESON8_AUDIO_DSP_MEM_ID] = MEM_PD("AUDIO_DSP_MEM",
+						meson8_pwrc_audio_dsp_mem),
+};
+
+static struct meson_ee_pwrc_domain_desc meson8b_pwrc_domains[] = {
+	[PWRC_MESON8_VPU_ID]  = VPU_PD("VPU", &meson8_pwrc_vpu,
+				       meson8_pwrc_mem_vpu, pwrc_ee_get_power,
+				       11, 1),
+	[PWRC_MESON8_ETHERNET_MEM_ID] = MEM_PD("ETHERNET_MEM",
+					       meson_pwrc_mem_eth),
+	[PWRC_MESON8_AUDIO_DSP_MEM_ID] = MEM_PD("AUDIO_DSP_MEM",
+						meson8_pwrc_audio_dsp_mem),
 };

 static struct meson_ee_pwrc_domain_desc sm1_pwrc_domains[] = {
@ -216,7 +275,7 @@ static struct meson_ee_pwrc_domain_desc sm1_pwrc_domains[] = {
 	[PWRC_SM1_GE2D_ID] = TOP_PD("GE2D", &sm1_pwrc_ge2d, sm1_pwrc_mem_ge2d,
 				    pwrc_ee_get_power),
 	[PWRC_SM1_AUDIO_ID] = MEM_PD("AUDIO", sm1_pwrc_mem_audio),
-	[PWRC_SM1_ETH_ID] = MEM_PD("ETH", g12a_pwrc_mem_eth),
+	[PWRC_SM1_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
 };

 struct meson_ee_pwrc_domain {
@ -470,12 +529,43 @@ 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_gxbb_pwrc_data = {
+	.count = ARRAY_SIZE(gxbb_pwrc_domains),
+	.domains = gxbb_pwrc_domains,
+};
+
+static struct meson_ee_pwrc_domain_data meson_ee_m8_pwrc_data = {
+	.count = ARRAY_SIZE(meson8_pwrc_domains),
+	.domains = meson8_pwrc_domains,
+};
+
+static struct meson_ee_pwrc_domain_data meson_ee_m8b_pwrc_data = {
+	.count = ARRAY_SIZE(meson8b_pwrc_domains),
+	.domains = meson8b_pwrc_domains,
+};
+
 static struct meson_ee_pwrc_domain_data meson_ee_sm1_pwrc_data = {
 	.count = ARRAY_SIZE(sm1_pwrc_domains),
 	.domains = sm1_pwrc_domains,
 };

 static const struct of_device_id meson_ee_pwrc_match_table[] = {
+	{
+		.compatible = "amlogic,meson8-pwrc",
+		.data = &meson_ee_m8_pwrc_data,
+	},
+	{
+		.compatible = "amlogic,meson8b-pwrc",
+		.data = &meson_ee_m8b_pwrc_data,
+	},
+	{
+		.compatible = "amlogic,meson8m2-pwrc",
+		.data = &meson_ee_m8b_pwrc_data,
+	},
+	{
+		.compatible = "amlogic,meson-gxbb-pwrc",
+		.data = &meson_ee_gxbb_pwrc_data,
+	},
 	{
 		.compatible = "amlogic,meson-g12a-pwrc",
 		.data = &meson_ee_g12a_pwrc_data,
--- a/include/dt-bindings/power/meson-gxbb-power.h
+++ b/include/dt-bindings/power/meson-gxbb-power.h
@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
+/*
+ * Copyright (c) 2019 BayLibre, SAS
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#ifndef _DT_BINDINGS_MESON_GXBB_POWER_H
+#define _DT_BINDINGS_MESON_GXBB_POWER_H
+
+#define PWRC_GXBB_VPU_ID		0
+#define PWRC_GXBB_ETHERNET_MEM_ID	1
+
+#endif
--- a/include/dt-bindings/power/meson8-power.h
+++ b/include/dt-bindings/power/meson8-power.h
@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: (GPL-2.0+ or MIT) */
+/*
+ * Copyright (c) 2019 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
+ */
+
+#ifndef _DT_BINDINGS_MESON8_POWER_H
+#define _DT_BINDINGS_MESON8_POWER_H
+
+#define PWRC_MESON8_VPU_ID			0
+#define PWRC_MESON8_ETHERNET_MEM_ID		1
+#define PWRC_MESON8_AUDIO_DSP_MEM_ID		2
+
+#endif /* _DT_BINDINGS_MESON8_POWER_H */