linux-kernel - [PATCH v2 2/2] pmdomain: amlogic: meson-ee-pwrc: add support for G12A ISP power domain

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Message-Id: <20231123-topic-amlogic-upstream-isp-pmdomain-v2-2-61f2fcf709e5@linaro.org>
Date:   Thu, 23 Nov 2023 17:17:42 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Kevin Hilman <khilman@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Daniel Scally <dan.scally@...asonboard.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-pm@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH v2 2/2] pmdomain: amlogic: meson-ee-pwrc: add support for
 G12A ISP power domain

Add entries for the ISP power domain found in the Amlogic G12B SoC

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 drivers/pmdomain/amlogic/meson-ee-pwrc.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/pmdomain/amlogic/meson-ee-pwrc.c b/drivers/pmdomain/amlogic/meson-ee-pwrc.c
index 0dd71cd814c5..fcec6eb610e4 100644
--- a/drivers/pmdomain/amlogic/meson-ee-pwrc.c
+++ b/drivers/pmdomain/amlogic/meson-ee-pwrc.c
@@ -47,6 +47,8 @@
 
 #define G12A_HHI_NANOQ_MEM_PD_REG0	(0x43 << 2)
 #define G12A_HHI_NANOQ_MEM_PD_REG1	(0x44 << 2)
+#define G12A_HHI_ISP_MEM_PD_REG0	(0x45 << 2)
+#define G12A_HHI_ISP_MEM_PD_REG1	(0x46 << 2)
 
 struct meson_ee_pwrc;
 struct meson_ee_pwrc_domain;
@@ -115,6 +117,13 @@ static struct meson_ee_pwrc_top_domain g12a_pwrc_nna = {
 	.iso_mask = BIT(16) | BIT(17),
 };
 
+static struct meson_ee_pwrc_top_domain g12a_pwrc_isp = {
+	.sleep_reg = GX_AO_RTI_GEN_PWR_SLEEP0,
+	.sleep_mask = BIT(18) | BIT(19),
+	.iso_reg = GX_AO_RTI_GEN_PWR_ISO0,
+	.iso_mask = BIT(18) | BIT(19),
+};
+
 /* Memory PD Domains */
 
 #define VPU_MEMPD(__reg)					\
@@ -231,6 +240,11 @@ static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_nna[] = {
 	{ G12A_HHI_NANOQ_MEM_PD_REG1, GENMASK(31, 0) },
 };
 
+static struct meson_ee_pwrc_mem_domain g12a_pwrc_mem_isp[] = {
+	{ G12A_HHI_ISP_MEM_PD_REG0, GENMASK(31, 0) },
+	{ G12A_HHI_ISP_MEM_PD_REG1, GENMASK(31, 0) },
+};
+
 #define VPU_PD(__name, __top_pd, __mem, __is_pwr_off, __resets, __clks)	\
 	{								\
 		.name = __name,						\
@@ -269,6 +283,8 @@ static struct meson_ee_pwrc_domain_desc g12a_pwrc_domains[] = {
 	[PWRC_G12A_ETH_ID] = MEM_PD("ETH", meson_pwrc_mem_eth),
 	[PWRC_G12A_NNA_ID] = TOP_PD("NNA", &g12a_pwrc_nna, g12a_pwrc_mem_nna,
 				    pwrc_ee_is_powered_off),
+	[PWRC_G12A_ISP_ID] = TOP_PD("ISP", &g12a_pwrc_isp, g12a_pwrc_mem_isp,
+				    pwrc_ee_is_powered_off),
 };
 
 static struct meson_ee_pwrc_domain_desc gxbb_pwrc_domains[] = {

-- 
2.34.1